旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴커 � Hard Disk Tech Specs(tm) v3.0 � 읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴켸 Hard Drive Solutions Family(tm)  //WDAT-140 11 C30, 93, 1, 0 T35, 91, 0, 1, J2 T31, 83, 0, 1, W1 { Drives: 2 IDE (AT) drives supported. J2 Drive 0 interface connector. W1 1-2 Open (Default) DIRQ14 is passed directly to the host. 3-4 Closed IMPORTANT! If you have an IBM AT with a Conner CP342 or CP3022, use the following W1 configuration. Only one IDE (AT) drive is supported in this configuration. * AT-compatible clones are not subject to this notice. W1 1-2 Closed (See above notice) DIRQ14 is gated to the host. 3-4 Open } * //WDAT-240 11 C26, 93, 1, 0 T31, 91, 0, 1, J2 C46, 93, 1, 0 T51, 91, 0, 1, J1 T27, 83, 0, 1, W1 T35, 83, 0, 1, W2 T48, 82, 0, 1, W3 T61, 58, 0, 1, W4 { Drives: 2 IDE (AT) drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). J1 Floppy connector. J2 IDE (AT) interface connector. W1 1-2 Open (Default) DIRQ14 is passed directly to the host. 3-4 Closed IMPORTANT! If you have an IBM AT with a Conner CP342 or CP3022, use the following W1 configuration. Only one IDE (AT) drive is supported in this configuration. * AT-compatible clones are not subject to this notice. W1 1-2 Closed (See above notice) DIRQ14 is gated to the host. 3-4 Open W2 1-2 Closed (Default) Floppy controller enabled, primary address 3-4 Open 3F0-3F7. 1-2 Closed Floppy controller enabled, secondary address 370-377. 3-4 Closed 1-2 Open Floppy controller disabled. 3-4 Closed W3 Closed Dual-speed floppies installed. Open (Default) Single-speed floppies installed. W4 Closed Logic ground connected to chassis ground. Open (Default) Logic ground not connected to chassis. } * //WDAT-440 11 C24, 93, 1, 0 T29, 91, 0, 1, J5 C43, 93, 1, 0 T48, 91, 0, 1, J1 T20, 83, 0, 1, J6 D67, 82, 75, 82 D75, 82, 75, 75 D75, 75, 67, 75 D67, 75, 67, 82 T77, 79, 0, 1, J7 D67, 72, 75, 72 D75, 72, 75, 60 D75, 60, 67, 60 D67, 60, 67, 72 T77, 67, 0, 1, J2 D62, 93, 68, 93 D68, 93, 68, 88 D68, 88, 62, 88 D62, 88, 62, 93 T63, 91, 0, 1, J8 T27, 83, 0, 1, W3 T32, 62, 0, 1, W4 T58, 84, 0, 1, W5 T61, 58, 0, 1, W6 T48, 58, 0, 1, W7 T24, 64, 0, 1, W8 T37, 58, 0, 1, W9 { Drives: 2 IDE (AT) drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). Ports: 1 parallel port supported. 2 serial ports supported. J1 Floppy connector. J2 External parallel connector. J5 IDE (AT) interface connector. J6 External LED connector. J7 External serial connector. J8 Internal serial connector. W3 1-2 Open (Default) DIRQ14 is passed directly to the host. 3-4 Closed IMPORTANT! If you have an IBM AT with a Conner CP342 or CP3022, use the following W3 configuration. Only one IDE (AT) drive is supported in this configuration. * AT-compatible clones are not subject to this notice. W3 1-2 Closed (See above notice) DIRQ14 is gated to the host. 3-4 Open W4 1-2 Closed (Default) Floppy controller enabled, primary address 3-4 Open 3F0-3F7. 1-2 Closed Floppy controller enabled, secondary address 370-377. 3-4 Closed 1-2 Open Floppy controller disabled. 3-4 Closed W5 Closed Dual-speed floppies installed. Open (Default) Single-speed floppies installed. W6 Closed Logic ground connected to chassis ground. Open (Default) Logic ground not connected to chassis. W7 1-2 LPT: IRQ5. 3-4 (Default) LPT: IRQ7. 5-6 (Default) Internal COM: IRQ3. 5-7 Internal COM: IRQ4. 6-8 External COM: IRQ3. 7-8 (Default) External COM: IRQ4. W8 1-2 Closed (Default) LPT: enabled. 1-2 Open LPT: disabled. 3-4 Open (Default) LPT1: (378-37F). 3-4 Closed LPT2: (278-27F). 5-6 External COM1: (3F8-3FF). 7-8 External COM3: (3E8-3EF). 9-10 Internal COM2: (2F8-2FF). 11-12 Internal COM4: (2E8-2EF). W9 1-2 Open IDE interface disabled. 1-2 Closed (Default) IDE interface enabled. 3-4 Closed } * //WDXT-140 10 C23, 80, 1, 1 T23, 83, 0, 1, J1 C40, 93, 1, 0 T45, 86, 0, 1, J2 { Drives: 2 IDE (XT) drives supported. IMPORTANT! Although this controller supports two IDE (XT) drives, each drive must have its own cable. Daisy chain cables are not supported! J1 Drive 0 interface connector. J2 Drive 1 interface connector. There are no jumpers to set on this board. } * //WDXT-150 10 T60, 60, 0, 1, J1 C23, 80, 1, 1 T22, 83, 0, 1, J2A T36, 90, 0, 1, W2 W1 T30, 83, 0, 1, W3 { Drives: 1 IDE (XT) drive supported. J1 DC power connector. J2A Drive 0 interface connector. W1 1-2 Secondary BIOS address (CA00). 2-3 (Default) Primary BIOS address (C800). W2 1-2 (Default) Primary I/O address (320). 2-3 Secondary I/O address (324). W3 1-2 (Default) IRQ5. 2-3 IRQ2. } * //WD1003-RAH 01 C67, 90, 1, 0 T73, 83, 0, 1, J1 C52, 90, 0, 0 T55, 83, 0, 1, J2 C37, 90, 0, 0 T40, 83, 0, 1, J3 T68, 64, 0, 1,W5 T68, 56, 0, 1,W3 T53, 68, 0, 1,W1 T40, 73, 0, 1,W2 T18, 85, 0, 1,W6 T18, 78, 0, 1,W4 T7, 85, 0, 1, J6 { Drives: 2 RLL drives supported. Replaced by: WD1003V-SR1 J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. J6 Connector for external LED. W1 1-2 (Default) Latches status read if activity LED is attached to J6. Open Status read is not latched. Activity LED is on when drive is accessed. Used by Compaq hosts. W2 1-2 Secondary BIOS address (170-177 and 370-377). Open (Default) Primary BIOS address (1F0-1F7 and 3F0-3F7). W3 1-2 If WD11C00-22 board installed at U8 and W5 1-2 is jumpered. DO NOT USE IF WD11C00C-22 IS INSTALLED! Open (Default) If WD11C00C-22 board is installed at U8 and W5 1-2 is jumpered. W4 1-2 Enable translation for drive 0. This is only valid for drives with 615 cylinders, 4 heads, and 26 sectors. This will translate the drive as 615 cylinders, 6 heads, and 17 sectors. To use this feature, you must select a drive type in the CMOS setup that equals 615 cylinders and 6 heads. This feature is used with Operating Systems that only support 17 sectors per track. Open (Default) Disables translation for drive 0. __ W5 1-2 WG and drive-select lines are disabled during power- on reset and when the +5V line drops below +4.15V. __ 2-3 (Default) WG and drive-select lines are only enabled when the drive is accessed. This feature also provides protection when powering up or down. W6 1-2 Enables translation for drive 1 (see W4 1-2). Open (Default) Disables translation for drive 1. } * //WD1003S-RAH 11 C21, 90, 1, 1 C26, 90, 1, 1 T21, 93, 0, 1, J1 J5 C21, 66, 0, 1 C26, 66, 0, 1 T21, 69, 0, 1, J2 J3 T32, 85, 0, 1, J6 T62, 65, 0, 1, W1 T64, 80, 0, 1, W2 T36, 76, 0, 1, W7 T40, 65, 0, 1, W5 W6 T40, 62, 0, 1, W8 W4 { Drives: 2 RLL drives supported. J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. J5 2nd HD control connector (optional; see W7) J6 External LED connector. W1 1-2 (Default) Latches status read if activity LED is attached to J6. Open Status read is not latched. Activity LED is on when drive is accessed. Used by Compaq hosts. W2 1-2 Secondary BIOS address (170-177 and 370-377). Open (Default) Primary BIOS address (1F0-1F7 and 3F0-3F7). W3 Only applicable to WD1003-RAH. Design changes eliminated the need to set this jumper. W4 1-2 (Default) Disables translation for drive 0. 2-3 Enable translation for drive 0. This is only valid for drives with 615 cylinders, 4 heads, and 26 sectors. This will translate the drive as 615 cylinders, 6 heads, and 17 sectors. To use this feature, you must select a drive type in the CMOS setup that equals 615 cylinders and 6 heads. This feature is used with Operating Systems that only support 17 sectors per track. __ W5 1-2 WG and drive-select lines are disabled during power- on reset and when the +5V line drops below +4.15V. __ 2-3 (Default) WG and drive-select lines are only enabled when the drive is accessed. This feature also provides protection when powering up or down. W6 1-2 (Default) Disables translation for drive 1. 2-3 Enables translation for drive 1 (see W4 2-3). W7 1-2 (Default) Supports daisy-chained drives (drive and 0 may be connected to J1 with drive 1 chained to 3-4 drive 0, or drive 1 may be connected directly to the controller through J5. 1-3 Parallel drives supported. Connect drive 1 to J1, and and drive 0 to J5. Make sure that the drive-select 2-4 jumpers on the drives are BOTH set to drive 0. W8 1-2 (Default) Input tied high. 2-3 Causes any seek to a cylinder above 615 to park the drive's heads (cylinder 663). This should only be used with drives that have 615 cylinders. } * //WD1003-RA2 21 C58, 90, 1, 1 T59, 93, 0, 1,J1 C52, 90, 1, 1 T53, 93, 0, 1,J5 C46, 90, 0, 1 T47, 93, 0, 1,J4 C40, 90, 0, 1 T41, 93, 0, 1,J3 T83, 60, 0, 1,E7 T83, 57, 0, 1,E8 T83, 54, 0, 1,E9 T30, 70, 0, 2,E4 E1 T33, 70, 0, 2,E5 E2 T36, 70, 0, 2,E6 E3 T17, 90, 0, 1, J6 { Drives: 2 RLL drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). Replaced by: WD1003V-SR2 J1 Floppy connector. J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 Connector for external LED. E1, E2-E3 (Default) Primary hard drive address (1F0-1F7). E2, Also, ensure that E5 and E6 are jumpered when this E3 option is used. E1-E2 Secondary hard drive address (170-177). Ensure that E4 and E5 are jumpered when this option is used. E4, E5-E6 (Default) Primary floppy address (3F0-3F7). Ensure E5, that E2 and E3 are jumpered when using this option. E6 E4-E5 Secondary floppy address (370-377). Also, ensure that E1 and E2 are jumpered when using this option. E7, E7-E8 (Default) Supports 300 or 360 RPM floppy drives. E8, E9 E8-E9 Dual-speed floppy drives in use. } * //WD1003A-RA2 01 C51, 92, 1, 0 T58, 85, 0, 1, J5 C33, 92, 1, 0 T40, 85, 0, 1, J4 C22, 92, 0, 0 T25, 85, 0, 1, J3 C11, 92, 0, 0 T14, 85, 0, 1, J2 T 6, 89, 0, 1, J1 T14, 74, 0, 1, W1 T25, 74, 0, 1, W2 T25, 79, 0, 1, W3 T35, 63, 0, 1, W4 T35, 56, 0, 1, W5 T62, 63, 0, 1, W7 { Drives: 2 RLL drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). J1 External LED connector. J2 Drive 1 data connector. J3 Drive 0 data connector. J4 HD control connector. J5 Floppy connector. W1 1-2 Used when a WD11C00C-22 board is installed at U16. 2-3 Used when a WD11C00-22 board is installed at U8 and W5 has 1-2 jumpered. DO NOT USE WITH A WD100C00C-22 BOARD INSTALLED! W2 1-2 Enable translation for drive 0. This is only valid for drives with 615 cylinders, 4 heads, and 26 sectors. This will translate the drive as 615 cylinders, 6 heads, and 17 sectors. To use this feature, you must select a drive type in the CMOS setup that equals 615 cylinders and 6 heads. This feature is used with Operating Systems that only support 17 sectors per track. Open (Default) Disables translation for drive 0. 3-4 Enable translation for drive 1 (see W2 1-2). Open (Default) Disables translation for drive 1. W3 1-2 DO NOT OPEN! 3-4 DO NOT OPEN! W4 3-5 (Default) Primary hard drive address (1F0-1F7). Also, ensure that W4 4-6 are jumpered when this option is used. 1-3 Secondary hard drive address (170-177). Ensure that W4 2-4 are jumpered when this option is used. 4-6 (Default) Primary floppy address (3F0-3F7). Ensure that W4 3-5 are jumpered when using this option. 2-4 Secondary floppy address (370-377). Also, ensure that W4 1-3 are jumpered when using this option. W5 1-2 (Default) Jumper is etched on the board. This supports drives that need Reduced Write Current (RWC) and have a mximum of 8 heads. 2-3 Supports drives with a maximum of 16 heads. If this option is used, you MUST carefully cut the etch connecting W5 1-2. W6 Not installed on final release. W7 1-2 Dual-speed floppies installed. 2-3 (Default) Supports 300 and 360 RPM floppy drives. } * //WD1002-WAH 01 C65, 90, 1, 0 T72, 83, 0, 1, J1 C48, 90, 0, 0 T51, 83, 0, 1, J2 C35, 90, 0, 0 T38, 83, 0, 1, J3 T67, 78, 0, 1, W2 T60, 66, 0, 1, W1 { Drives: 2 MFM drives supported. J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. W1 1-2 (Default) Primary BIOS address (1F0-1F7 and 3F6-3F7). 2-3 Secondary BIOS address (170-177 and 376-377). W2 L (Default) Activity LED continuously lit for current drive. NL Activity LED only lit when drive is being accesses. } * //WD1002-WA2 01 C58, 90, 1, 1 T59, 93, 0, 1,J1 C52, 90, 1, 1 T53, 93, 0, 1,J5 C46, 90, 0, 1 T47, 93, 0, 1,J4 C40, 90, 0, 1 T41, 93, 0, 1,J3 T67, 90, 0, 1,E7 T67, 87, 0, 1,E8 T30, 70, 0, 2,E4 E1 T33, 70, 0, 2,E5 E2 T36, 70, 0, 2,E6 E3 { Drives: 2 MFM drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). J1 Floppy connector. J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. E1, E2-E3 (Default) Primary floppy address (3F2, 3F4-3F7). E2, E3 E1-E2 Secondary floppy address (372, 374-377). E4, E5-E6 (Default) Primary hard drive address (1F0-1F7, E5, and 376-377). E6 E4-E5 Secondary hard drive address (170-177, and 376-377). E7, E7-E8 DO NOT OPEN! E8 } * //WD1003-WAH 01 C67, 90, 1, 0 T73, 83, 0, 1, J1 C52, 90, 0, 0 T55, 83, 0, 1, J2 C37, 90, 0, 0 T40, 83, 0, 1, J3 T68, 64, 0, 1,W5 T68, 56, 0, 1,W3 T53, 68, 0, 1,W1 T40, 73, 0, 1,W2 T18, 85, 0, 1,W6 T18, 78, 0, 1,W4 T7, 85, 0, 1, J6 { Drives: 2 MFM drives supported. Replaced by: WD1003V-MM1 J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. J6 Connector for external LED. W1 Open Status read is not latched. SELECT active only when drive is being accessed. Closed (Default) Status read is latched. SELECT active whenever drive is the current drive. W2 Open (Default) Primary address. Closed Secondary address. W3 Open Used when a WD11C00A-22 board is installed, or when W5 2-3 are jumpered. Closed Used when a WD11C00-22 is installed, or when W5 1-2 are jumpered. DO NOT USE THIS OPTION WHEN A WD11C00A-22 IS INSTALLED! W4 1-2 Support for 2 heads and 612 cylinders when CMOS setup is set for a drive that has 4 heads and 306 cylinders. 2-3 (Default) Firmware Sense Bit input is tied high. __ W5 1-2 Internal signal of power up controls WG. 2-3 (Default) W6 1-2 Input tied low. 35�s step rate cannot be selected with W6 in this position. Only a 16�s step rate is used. 2-3 (Default) Input tied high. } * //WD1003-WA2 21 C58, 90, 1, 1 T59, 93, 0, 1,J1 C52, 90, 1, 1 T53, 93, 0, 1,J5 C46, 90, 0, 1 T47, 93, 0, 1,J4 C40, 90, 0, 1 T41, 93, 0, 1,J3 T83, 60, 0, 1,E7 T83, 57, 0, 1,E8 T83, 54, 0, 1,E9 T30, 70, 0, 2,E4 E1 T33, 70, 0, 2,E5 E2 T36, 70, 0, 2,E6 E3 T17, 90, 0, 1, J6 { Drives: 2 MFM drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). Replaced by: WD1003V-MM2 J1 Floppy connector. J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 Connector for external LED. E1, E2-E3 (Default) Primary floppy address (3F2, 3F4-3F7). E2, E3 E1-E2 Secondary floppy address (372, 374-377). E4, E5-E6 (Default) Primary hard drive address (1F0-1F7, E5, and 376-377). E6 E4-E5 Secondary hard drive address (170-177, and 376-377). E7, E7-E8 (Default) 360 RPM floppies in use. E8, E8-E9 300 RPM floppies installed. E9 } * //WD1002-27X 10 C45, 90, 1, 0 T51, 93, 0, 1, J1 C25, 90, 0, 0 T20, 89, 0, 1, J2 C25, 83, 0, 0 T20, 82, 0, 1, J3 T27, 74, 0, 1, W9 T42, 54, 0, 1, W5 T55, 54, 0, 1, W7 T42, 60, 0, 1, W3 T57, 69, 0, 1, W6 T65, 73, 0, 1, W8 T65, 69, 0, 1, W4 T65, 65, 0, 1, S1 { Drives: 2 RLL drives supported. Replaced by: WD1004-27X Debug address: Primary controller - C800:5 Secondary controller - CA00:5 Models: F000 - No BIOS, no mounting bracket. F007 - No BIOS, mounting bracket. F019 - BIOS 0 F022 - BIOS 1, supporting 26 to 17 sector xlation. F016 - BIOS 2, supporting 26 sectors. F301 - Super BIOS. J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. W1, W2 Not applicable to WD1002-27X. The need for these jumpers was eliminated by an artwork change when this board was released. W3 Closed (Default) BIOS enabled. Open BIOS disabled. W4 1-2 Secondary address (324-327). Must have Super BIOS to use this feature. 2-3 (Default) Primary address (320-323). W5 1-2 (Default) Connected by an etch on the board. Used when BIOS is a 2732 or 2764. 2-3 BIOS is a 2716. Must cut etch at W5 1-2. W6 1-2 Drives have maximum of 16 heads. 2-3 (Default) Drives have maximum of 8 heads, and RWC is used. W7 1-2 (Default) IRQ5. Connected by etch. 2-3 IRQ2. You must cut etch at W7 1-2. Also, this configuration requires a custom BIOS. W8 1-2 Secondary controller in dual-controller system. 2-3 (Default) Primary controller. The following S1-x settings control the operation of the Super BIOS. S1-1 and S1-2 control drive 0, while S1-3 and S1-4 control drive 1. These translations allow a 26 sector drive to appear as though it has 17 sectors. S1 1 Closed BIOS table 0. Drive must equal 65MB, 981 cyl, 2 Closed 5 heads (ie. Tandon TM755, or Vertex V150). 3 Closed Logical xlation = 1023 x 5 x 17. 4 Closed 1 Open BIOS table 1. Drive must equal 92MB, 987 cyl, 2 Closed 7 heads (ie. Priam V170). 3 Open Logical xlation = 1023 x 7 x 17. 4 Closed 1 Closed BIOS table 2. Drive must equal 33MB, 612 cyl, 2 Open 4 heads (ie. Microscience HH-725, or 3 Closed Miniscribe 8438). 4 Open Logical xlation = 935 x 4 x 17. 1 Open BIOS table 3. Drive must equal 33MB, 615 cyl, 2 Open 4 heads (ie. Seagate ST238). 3 Open Logical xlation = 940 x 4 x 17. 4 Open S1 5 Open Undefined 6 Open 5 Closed Translation is enabled, using 17 sectors, no 6 Open dynamic configuration, and emulation of BIOS 1. W9 must be open. 5 Open Translation is not enabled, using 26 sectors, 6 Closed dynamic configuration, and emulation of BIOS 2. W9 must be closed. 5 Closed Translation is not enabled, using 17 sectors, 6 Closed dynamic configuration, and emulation of BIOS 0. W9 must be closed. S1 7 Open IRQ5 (see W7). 7 Closed IRQ2 (see W7). } * //WD1002A-WX1 10 C50, 90, 1, 0 T57, 83, 0, 1, J1 C35, 90, 0, 0 T38, 83, 0, 1, J2 C22, 90, 0, 0 T25, 83, 0, 1, J3 T65, 76, 0, 1, W8 T65, 73, 0, 1, W4 T65, 68, 0, 1, S1 T60, 68, 0, 1, W6 T55, 55, 0, 1, W7 T45, 55, 0, 1, W5 T45, 60, 0, 1, W3 { Drives: 2 MFM drives supported. Replaced by: WD1004A-WX1 Debug address: Primary controller - C800:5 Secondary controller - CA00:5 Models: Rev G (62-000042-013). Rev H (62-000042-015). Super BIOS (62-000094-0X2). J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. W1, W2 Not applicable to WD1002A-WX1. The need for these jumpers was eliminated by an artwork change when this board was released. W3 Closed (Default) BIOS enabled. Open BIOS disabled. W4 1-2 Secondary address (324-327). Must have Super BIOS to use this feature. 2-3 (Default) Primary address (320-323). W5 1-2 (Default) Connected by an etch on the board. Used when BIOS is a 2732 or 2764. 2-3 BIOS is a 2716. Must cut etch at W5 1-2. W6 1-2 Drives have maximum of 16 heads. 2-3 (Default) Drives have maximum of 8 heads, and RWC is used. W7 1-2 (Default) IRQ5. Connected by etch. 2-3 IRQ2. You must cut etch at W7 1-2. Also, this configuration requires a custom BIOS. W8 1-2 Secondary controller in dual-controller system. 2-3 (Default) Primary controller. (Super BIOS) The following S1-x settings control the operation of the BIOS. S1-1 and S1-2 control drive 0, while S1-3 and S1-4 control drive 1. S1 1 Closed BIOS table 0. Drive must equal 20MB, 612 cyl, 2 Closed 4 heads, and RWC = 450. 3 Closed 4 Closed 1 Open BIOS table 1. Drive must equal 10MB, 306 cyl, 2 Closed 4 heads, and RWC = 153. 3 Open 4 Closed 1 Closed BIOS table 2. Drive must equal 10MB, 615 cyl, 2 Open 2 heads, and RWC = 450. 3 Closed 4 Open 1 Open BIOS table 3. Drive must equal 20MB, 615 cyl, 2 Open 4 heads, and RWC = 450. 3 Open 4 Open S1 5, 6 These MUST remain open. S1 7 Open IRQ5 (see W7). 7 Closed IRQ2 (see W7). (Rev G) The following S1-x settings control the operation of BIOS. S1-1 and S1-2 control drive 0, while S1-3 and S1-4 control drive 1. S1 1 Closed BIOS table 0. Drive must equal 20MB, 612 cyl, 2 Closed 4 heads (ie. Microscience HH725). 3 Closed 4 Closed 1 Open BIOS table 1. Drive must equal 10MB, 612 cyl, 2 Closed 2 heads, RWC = 128 (ie. Miniscribe 3012). 3 Open 4 Closed 1 Closed BIOS table 2. Drive must equal 20MB, 612 cyl, 2 Open 4 heads, and RWC = 128 (ie. Seagate ST225). 3 Closed 4 Open 1 Open BIOS table 3. Drive must equal 10MB, 306 cyl, 2 Open 4 heads (ie. Seagate ST412). 3 Open 4 Open (Rev H) The following S1-x settings control the operation of the BIOS. S1-1, S1-2, and S1-7 control drive 0, while S1-3, S1-4, and S1-8 control drive 1. S1 1 Closed BIOS table 0. Drive must equal 42.51MB, 977 cyl, 2 Closed 5 heads (ie. Seagate ST4051). 7 Closed 3 Closed 4 Closed 8 Closed 1 Open BIOS table 1. Drive must equal 31.9MB, 733 cyl, 2 Closed 2 heads, RWC = 300 (ie. Seagate 4038). 7 Closed 3 Open 4 Closed 8 Closed 1 Closed BIOS table 2. Drive must equal 33.4MB, 640 cyl, 2 Open 6 heads (ie. Rodime 203E). 7 Closed 3 Closed 4 Open 8 Closed 1 Open BIOS table 3. Drive must equal 62.3MB, 1024 cyl, 2 Open 8 heads. 7 Closed 3 Open 4 Open 8 Closed 1 Closed BIOS table 4. Drive must equal 42.8MB, 820 cyl, 2 Closed 6 heads (ie. Seagate ST251). 7 Open 3 Closed 4 Closed 8 Open 1 Open BIOS table 5. Drive must equal 10MB, 612 cyl, 2 Closed 2 heads, RWC = 128 (ie. Miniscribe 3012). 7 Open 3 Open 4 Closed 8 Open 1 Closed BIOS table 6. Drive must equal 20MB, 612 cyl, 2 Open 4 heads (ie. Seagate ST225). 7 Open 3 Closed 4 Open 8 Open 1 Open BIOS table 7. Drive must equal 10MB, 306 cyl, 2 Open 4 heads (ie. Seagate ST412). 7 Open 3 Open 4 Open 8 Open } * //WD1002S-WX2 00 C65, 90, 1, 0 T72, 83, 0, 1, J1 C49, 90, 0, 0 T52, 83, 0, 1, J2 C35, 90, 0, 0 T38, 83, 0, 1, J3 T76, 71, 0, 1, W6 T75, 55, 0, 1, W7 T53, 64, 0, 1, W3 W5 T62, 57, 0, 1, W4 T80, 74, 0, 1, S1 T40, 68, 0, 1, W1 T40, 57, 0, 1, W2 { Drives: 2 MFM drives supported. Debug address: C800:5 - Note: You must load AL with drive # [0 or 1], and you must load AH with interleave BEFORE entering formatting routine from Debug. J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. W1 1-2 (Default) Normal operation. 2-3 Factory diagnostic option enabled. W2 1-2 (Default) Normal operation. 2-3 Factory diagnostic option enabled. W3 Closed (Default) BIOS enabled. Open BIOS disabled. W4 1-2 Secondary address (324-327). Must have Super BIOS to use this feature. 2-3 (Default) Primary address (320-323). W5 1-2 (Default) Connected by an etch on the board. Used when BIOS is a 2732 (32K) or 2764 (64K). 2-3 BIOS is a 2716 (16K). Must cut etch at W5 1-2. W6 1-2 Drives have maximum of 16 heads. 2-3 (Default) Drives have maximum of 8 heads, and RWC is used. W7 1-2 (Default) IRQ5. Connected by etch. 2-3 IRQ2. You must cut etch at W7 1-2. The following S1-x settings control the operation of the BIOS. S1-1 and S1-2 control drive 0, while S1-3 and S1-4 control drive 1. S1 1 Closed BIOS table 0. Drive must equal 20MB, 612 cyl, 2 Closed 4 heads (ie. Microscience HH725). 3 Closed 4 Closed 1 Open BIOS table 1. Drive must equal 10MB, 612 cyl, 2 Closed 2 heads, RWC = 128 (ie. Miniscribe 3012). 3 Open 4 Closed 1 Closed BIOS table 2. Drive must equal 20MB, 612 cyl, 2 Open 4 heads (ie. Seagate ST225). 3 Closed 4 Open 1 Open BIOS table 3. Drive must equal 10MB, 306 cyl, 2 Open 4 heads (ie. Seagate ST412). 3 Open 4 Open S1 5 - 8 Reserved. Should remain open. } * //WD1002S-WX2A 00 C65, 90, 1, 0 T72, 83, 0, 1, J1 C49, 90, 0, 0 T52, 83, 0, 1, J2 C35, 90, 0, 0 T38, 83, 0, 1, J3 T73, 80, 0, 1, W8 W9 T68, 71, 0, 1, W10 W6 T75, 55, 0, 1, W7 T53, 64, 0, 1, W3 W5 T62, 57, 0, 1, W4 T80, 74, 0, 1, S1 T40, 68, 0, 1, W1 T40, 57, 0, 1, W2 { Drives: 2 MFM drives supported. Debug address: Primary controller - C800:5 Secondary controller - CA00:5 Models: Rev G (62-000042-013). Rev H (62-000042-015). Super BIOS (62-000094-0X1). J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. W1, W2 Not applicable to WD1002S-WX2A. The need for these jumpers was eliminated by an artwork change when this board was released. W3 Closed (Default) BIOS enabled. Open BIOS disabled. W4 1-2 Secondary address (324-327). Must have Super BIOS to use this feature. 2-3 (Default) Primary address (320-323). W5 1-2 (Default) Connected by an etch on the board. Used when BIOS is a 2732 (32K) or 2764 (64K). 2-3 BIOS is a 2716 (16K). Must cut etch at W5 1-2. W6 1-2 Drives have maximum of 16 heads. 2-3 (Default) Drives have maximum of 8 heads, and RWC is used. W7 1-2 (Default) IRQ5. Connected by etch. 2-3 IRQ2. You must cut etch at W7 1-2. Also, this configuration requires a custom BIOS. W8 2-3 (Default) Primary controller. This controller may be used in a dual-controller system, however, only one WD1002S-WX2A may be present, and it MUST be the primary controller. This setting ensures that this controller is the primary controller. W9 1-2 (Default) CO23 setting. W10 1-2 Special feature. 2-3 (Default) Standard setting. (Super BIOS) The following S1-x settings control the operation of the BIOS. S1-1 and S1-2 control drive 0, while S1-3 and S1-4 control drive 1. S1 1 Closed BIOS table 0. Drive must equal 20MB, 612 cyl, 2 Closed 4 heads, and RWC = 450. 3 Closed 4 Closed 1 Open BIOS table 1. Drive must equal 10MB, 306 cyl, 2 Closed 4 heads, and RWC = 153. 3 Open 4 Closed 1 Closed BIOS table 2. Drive must equal 10MB, 615 cyl, 2 Open 2 heads, and RWC = 450. 3 Closed 4 Open 1 Open BIOS table 3. Drive must equal 20MB, 615 cyl, 2 Open 4 heads, and RWC = 450. 3 Open 4 Open S1 5, 6 These MUST remain open. S1 7 Open IRQ5 (see W7). 7 Closed IRQ2 (see W7). S1 8 Open XT Mode. 8 Closed AT Mode. (Rev G) The following S1-x settings control the operation of BIOS. S1-1 and S1-2 control drive 0, while S1-3 and S1-4 control drive 1. S1 1 Closed BIOS table 0. Drive must equal 20MB, 612 cyl, 2 Closed 4 heads (ie. Microscience HH725). 3 Closed 4 Closed 1 Open BIOS table 1. Drive must equal 10MB, 612 cyl, 2 Closed 2 heads, RWC = 128 (ie. Miniscribe 3012). 3 Open 4 Closed 1 Closed BIOS table 2. Drive must equal 20MB, 612 cyl, 2 Open 4 heads, and RWC = 128 (ie. Seagate ST225). 3 Closed 4 Open 1 Open BIOS table 3. Drive must equal 10MB, 306 cyl, 2 Open 4 heads (ie. Seagate ST412). 3 Open 4 Open (Rev H) The following S1-x settings control the operation of the BIOS. S1-1, S1-2, and S1-7 control drive 0, while S1-3, S1-4, and S1-8 control drive 1. S1 1 Closed BIOS table 0. Drive must equal 42.51MB, 977 cyl, 2 Closed 5 heads (ie. Seagate ST4051). 7 Closed 3 Closed 4 Closed 8 Closed 1 Open BIOS table 1. Drive must equal 31.9MB, 733 cyl, 2 Closed 2 heads, RWC = 300 (ie. Seagate 4038). 7 Closed 3 Open 4 Closed 8 Closed 1 Closed BIOS table 2. Drive must equal 33.4MB, 640 cyl, 2 Open 6 heads (ie. Rodime 203E). 7 Closed 3 Closed 4 Open 8 Closed 1 Open BIOS table 3. Drive must equal 62.3MB, 1024 cyl, 2 Open 8 heads. 7 Closed 3 Open 4 Open 8 Closed 1 Closed BIOS table 4. Drive must equal 42.8MB, 820 cyl, 2 Closed 6 heads (ie. Seagate ST251). 7 Open 3 Closed 4 Closed 8 Open 1 Open BIOS table 5. Drive must equal 10MB, 612 cyl, 2 Closed 2 heads, RWC = 128 (ie. Miniscribe 3012). 7 Open 3 Open 4 Closed 8 Open 1 Closed BIOS table 6. Drive must equal 20MB, 612 cyl, 2 Open 4 heads (ie. Seagate ST225). 7 Open 3 Closed 4 Open 8 Open 1 Open BIOS table 7. Drive must equal 10MB, 306 cyl, 2 Open 4 heads (ie. Seagate ST412). 7 Open 3 Open 4 Open 8 Open } * //WD1002A-27X 10 C45, 90, 1, 0 T40, 89, 0, 1, J1 C30, 90, 0, 0 T25, 89, 0, 1, J2 C30, 83, 0, 0 T25, 82, 0, 1, J3 T57, 70, 0, 1, W2 T57, 67, 0, 1, W1 { Drives: 2 RLL drives supported. Replaced by: WD1004A-27X Debug address: C800:5 J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. W1, Both Mode 1. Translation enabled. W2 Closed Both Mode 2. Translation disabled. Open } * //WDXT-GEN 10 C43, 90, 1, 0 T38, 89, 0, 1, J1 C25, 90, 0, 0 T20, 89, 0, 1, J2 C25, 83, 0, 0 T20, 82, 0, 1, J3 { Drives: 2 MFM drives supported. Debug address: C800:5 Models: This controller is available in 5 versions. F320 - HD must have 615 cyl, 4 heads, 17 sectors, and a formatted capacity of 21MB. Precomp is 307, and RWC is not supported. The step rate is 30�s. F300 - Same as F300, but additionally supports: > dynamic low-level formatting, > partitioning, > and bad-track formatting. F335 - HD must have 733 cyl, 5 heads, 17 sectors, and a formatted capacity of 32MB. Precomp is 367, and RWC is not supported. The step rate is 18�s. F336 - HD must have 640 cyl, 6 heads, 17 sectors, and a formatted capacity of 32MB. Precomp and RWC is 210. The step rate is 18�s. F340 - HD must have 820 cyl, 6 heads, 17 sectors, and a formatted capacity of 42MB. Precomp is 410, and RWC is not supported. The step rate is 18�s. J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. No jumpers to set. Must be primary controller in system. } * //WDXT-GEN2 10 C46, 91, 1, 0 T52, 90, 0, 1, J1 C32, 91, 0, 0 T35, 90, 0, 1, J2 C32, 84, 0, 0 T35, 83, 0, 1, J3 T36, 56, 0, 1, J4 T22, 85, 0, 1, J5 T62, 84, 0, 1, W17 T62, 82, 0, 1, W18 T62, 80, 0, 1, W19 T62, 78, 0, 1, W20 T62, 76, 0, 1, W21 T62, 74, 0, 1, W22 T62, 71, 0, 1, R23 T62, 68, 0, 1, W25 T62, 66, 0, 1, W26 T62, 64, 0, 1, W27 T62, 62, 0, 1, W28 { Drives: 2 MFM drives supported. Debug address: C800:5 J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. J4 DC power connector. J5 External LED connector. The following settings control the operation of the BIOS. W17 and W18 control drive 0, while W19 and W20 control drive 1. W17, Closed BIOS table 0. Drive must equal 21MB, 612 cyl, W18, Closed 4 heads. W19, Closed W20 Closed Open BIOS table 1. Drive must equal 10MB, 306 cyl, Closed 4 heads. Open Closed Closed BIOS table 2. Drive must equal 10MB, 615 cyl, Open 2 heads. Closed Open Open (Default) BIOS table 3. Drive must equal 21MB, Open 615 cyl, 4 heads. Open Open W21, Open (Default) BIOS at C800 - C9FF. W22 Open I/O ports 320-323. Closed BIOS at CA00 - CBFF. I/O ports 324-327. Open Open BIOS at CC00 - CDFF. I/O ports 328-32B. Closed Closed BIOS at C800 - C9FF. I/O ports 32C-32F. Closed R23 Open (Default) Controller BIOS enabled. Closed Controller BIOS disabled. External BIOS enabled. W25, W26 MUST remain open! W27 Closed IRQ2. Open (Default) IRQ5. W28 Open XT mode. Closed AT mode. } * //WD1005-WAH 01 E70, 94, 15, 4 T75, 92, 0, 1, J4 E55, 94, 10, 4 T58, 92, 0, 1, J3 E40, 94, 10, 4 T43, 92, 0, 1, J2 T10, 92, 0, 1, J1 T20, 75, 0, 1, W1 T30, 60, 0, 1, W2 T85, 84, 0, 1, W3 { Drives: 2 ESDI drives supported. J2 Drive 1 data connector. J3 Drive 0 data connector. J4 HD control connector. W1 1-2 OEM diagnostic mode. Open (Default) Standard operating mode. W2 1-2 Translation disabled. Open (Default) Translation enabled. W3 1-2 Secondary controller. 2-3 (Default) Primary controller. } * //WD1007A-WAH 01 C69, 92, 1, 0 T75, 90, 0, 1, J1 C55, 92, 0, 0 T58, 90, 0, 1, J2 C40, 92, 0, 0 T43, 90, 0, 1, J3 T17, 85, 0, 1, J5 T66, 64, 0, 1, W1 T66, 67, 0, 1, W2 T73, 58, 0, 1, W3 T49, 75, 0, 1, W8 T81, 67, 0, 1, W9 T73, 61, 0, 1, W10 T73, 64, 0, 1, W11 T73, 67, 0, 1, W12 T60, 83, 0, 1, W14 T60, 80, 0, 1, W15 { Drives: 2 ESDI drives supported. J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. J5 External LED connector. W1, W1 2-3 C800 - C9FF, with BIOS shadowed. W2, W2 2-3 W3 W3 Closed W1 2-3 CA00 - CBFF, with BIOS shadowed. W2 1-2 W3 Closed W1 1-2 CC00 - CDFF, with BIOS shadowed. W2 2-3 W3 Closed W1 1-2 CE00 - CFFF, with BIOS shadowed. W2 1-2 W3 Closed W8 Closed (Default) WD1007 mode. Allows the WD1007-WAH or WA2 to be used as a direct replacement for the WD1005-WAH without the need for re-formatting the hard drive. W9 Closed Chassis used as ground. Open (Default) Chassis ground disconnected. W10 Open (Default) Digital Input Register unlatched. Closed Digital Input Register latched. W11 Closed (Default) Diskette Change enabled. This MUST be closed when floppies are installed. W12 Open (Default) Primary hard drive address (1F0-1F7, and 3F6-3F7). Closed Secondary hard drive address (170-177, and 376-377). W14 Open (Default) Translation enabled. Allows 26-sector hard drives to appear as though they have only 17 sectors per track. Closed Translation disabled. W15 Open (Default) ECC fixed length of 4 bytes. Closed ECC fixed length of 7 bytes. } * //WD1007A-WA2 01 C69, 92, 1, 0 T75, 90, 0, 1, J1 C55, 92, 0, 0 T58, 90, 0, 1, J2 C40, 92, 0, 0 T43, 90, 0, 1, J3 C17, 92, 1, 0 T23, 90, 0, 1, J4 T17, 85, 0, 1, J5 T66, 64, 0, 1, W1 T66, 67, 0, 1, W2 T73, 58, 0, 1, W3 T53, 63, 0, 1, W4 T27, 78, 0, 1, W5 T55, 70, 0, 1, W6 T29, 85, 0, 1, W7 T49, 75, 0, 1, W8 T81, 67, 0, 1, W9 T73, 61, 0, 1, W10 T73, 64, 0, 1, W11 T73, 67, 0, 1, W12 T7, 85, 0, 1, W13 T60, 83, 0, 1, W14 T60, 80, 0, 1, W15 { Drives: 2 ESDI drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. J4 Floppy connector. J5 External LED connector. W1, W1 2-3 C800 - C9FF, with BIOS shadowed. W2, W2 2-3 W3 W3 Closed W1 2-3 CA00 - CBFF, with BIOS shadowed. W2 1-2 W3 Closed W1 1-2 CC00 - CDFF, with BIOS shadowed. W2 2-3 W3 Closed W1 1-2 CE00 - CFFF, with BIOS shadowed. W2 1-2 W3 Closed W4 Open (Default) Floppy controller enabled (also see W13). Closed Floppy controller disabled. W5 Open (Default) Single-speed floppies. Closed Dual-speed floppies. W6 1-2 Secondary floppy address (37x). 2-3 (Default) Primary floppy address (3Fx). W7 1-2 (Default) Floppy drive select. W8 Closed (Default) WD1007 mode. Allows the WD1007-WAH or WA2 to be used as a direct replacement for the WD1005-WAH without the need for re-formatting the hard drive. W9 Closed Chassis used as ground. Open (Default) Chassis ground disconnected. W10 Open (Default) Digital Input Register unlatched. Closed Digital Input Register latched. W11 Closed (Default) Diskette Change enabled. This MUST be closed when floppies are installed. W12 Open (Default) Primary hard drive address (1F0-1F7, and 3F6-3F7). Closed Secondary hard drive address (170-177, and 376-377). W13 Closed Floppy controller enabled. This is etched into the circuit board (also see W4). Open Floppy controller disabled. To disable, you MUST carefully cut this etch. W14 Open (Default) Translation enabled. Allows 26-sector hard drives to appear as though they have only 17 sectors per track. Closed Translation disabled. W15 Open (Default) ECC fixed length of 4 bytes. Closed ECC fixed length of 7 bytes. } * //WD1004-27X 10 C43, 91, 1, 0 T49, 94, 0, 1, J1 C30, 91, 0, 0 T25, 90, 0, 1, J2 C30, 84, 0, 0 T25, 83, 0, 1, J3 T21, 86, 0, 1, J5 T61, 86, 0, 1, W17 T61, 84, 0, 1, W18 T61, 82, 0, 1, W19 T61, 80, 0, 1, W20 T61, 78, 0, 1, W21 T61, 76, 0, 1, W22 T61, 73, 0, 1, R23 T61, 68, 0, 1, W25 T61, 66, 0, 1, W26 T61, 64, 0, 1, W27 T61, 62, 0, 1, W28 T35, 54, 0, 1, J4 { Drives: 2 RLL drives supported. Replaces: WD1002-27X Debug address: C800:5 J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. J4 DC power connector. The following settings control the operation of the BIOS. W17 and W18 control drive 0, while W19 and W20 control drive 1. These translations allow a 26 sector drive to appear as though it has 17 sectors. W17, Closed BIOS table 0. Drive must equal 65MB, 820 cyl, W18, Closed 6 heads. W19, Closed W20 Closed Open BIOS table 1. Drive must equal 42MB, 782 cyl, Closed 4 heads. Open Closed Closed BIOS table 2. Drive must equal 21MB, 782 cyl, Open 2 heads. Closed Open Open (Default) BIOS table 3. Drive must equal 65MB, Open 820 cyl, 6 heads. Open Open W21, Open (Default) BIOS at C800 - C9FF. W22 Open I/O ports 320-323. Closed BIOS at CA00 - CBFF. I/O ports 324-327. Open Open BIOS at CC00 - CDFF. I/O ports 328-32B. Closed Closed BIOS at C800 - C9FF. I/O ports 32C-32F. Closed R23 Open (Default) Controller BIOS enabled. Closed Controller BIOS disabled. External BIOS enabled. W25, Closed (Default) RLL table, 17 sectors, translation W26 Open enabled, and dynamic configuration disabled. Open RLL table, 26 sectors, translation disabled, and Closed dynamic configuration enabled. W27 Closed IRQ2. Open (Default) IRQ5. W28 Open XT mode. Closed AT mode. } * //WD1004A-WX1 10 C43, 91, 1, 0 T49, 94, 0, 1, J1 C30, 91, 0, 0 T25, 90, 0, 1, J2 C30, 84, 0, 0 T25, 83, 0, 1, J3 T21, 86, 0, 1, J5 T61, 86, 0, 1, W17 T61, 84, 0, 1, W18 T61, 82, 0, 1, W19 T61, 80, 0, 1, W20 T61, 78, 0, 1, W21 T61, 76, 0, 1, W22 T61, 73, 0, 1, R23 T61, 68, 0, 1, W25 T61, 66, 0, 1, W26 T61, 64, 0, 1, W27 T61, 62, 0, 1, W28 T35, 54, 0, 1, J4 { Drives: 2 MFM drives supported. Debug address: C800:5 J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. J4 DC power connector. The following settings control the operation of the BIOS. W17 and W18 control drive 0, while W19 and W20 control drive 1. W17, Closed BIOS table 0. Drive must equal 21MB, 615 cyl, W18, Closed 4 heads. W19, Closed W20 Closed Open BIOS table 1. Drive must equal 10MB, 306 cyl, Closed 4 heads. Open Closed Closed BIOS table 2. Drive must equal 10MB, 615 cyl, Open 2 heads. Closed Open Open (Default) BIOS table 3. Drive must equal 21MB, Open 615 cyl, 4 heads. Open Open W21, Open (Default) BIOS at C800 - C9FF. W22 Open I/O ports 320-323. Closed BIOS at CA00 - CBFF. I/O ports 324-327. Open Open BIOS at CC00 - CDFF. I/O ports 328-32B. Closed Closed BIOS at C800 - C9FF. I/O ports 32C-32F. Closed R23 Open (Default) Controller BIOS enabled. Closed Controller BIOS disabled. External BIOS enabled. W25 Reserved. W26 Reserved. W27 Closed IRQ2. Open (Default) IRQ5. W28 Open XT mode. Closed AT mode. } * //WD1004A-27X 10 C43, 91, 1, 0 T49, 94, 0, 1, J1 C30, 91, 0, 0 T25, 90, 0, 1, J2 C30, 84, 0, 0 T25, 83, 0, 1, J3 T21, 86, 0, 1, J5 T61, 73, 0, 1, R23 T61, 68, 0, 1, W25 T61, 66, 0, 1, W26 T61, 64, 0, 1, W27 T61, 62, 0, 1, W28 { Drives: 2 RLL drives supported. Replaces: WD1002A-27X Debug address: C800:5 J1 HD control connector. J2 Drive 0 data connector. J3 Drive 1 data connector. R23 Open (Default) Controller BIOS enabled. Closed Controller BIOS disabled. External BIOS enabled. W25, Closed (Default) RLL table, 17 sectors, translation W26 Open enabled, and dynamic configuration disabled. Open RLL table, 26 sectors, translation disabled, and Closed dynamic configuration enabled. W27 Closed IRQ2. Open (Default) IRQ5. W28 Open XT mode. Closed AT mode. } * //WD1007V-SE2 01 C69, 92, 1, 0 T75, 90, 0, 1, J1 C48, 92, 1, 0 T54, 90, 0, 1, J5 C33, 92, 0, 0 T36, 90, 0, 1, J4 C18, 92, 0, 0 T21, 90, 0, 1, J3 T7, 90, 0, 1, J6 T57, 78, 0, 1, W1 T68, 78, 0, 1, W3 T80, 82, 0, 1, W5 T66, 67, 0, 1, W6 T48, 56, 0, 1, W7 T68, 56, 0, 1, W8 T66, 70, 0, 1, W12 { Drives: 2 ESDI drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). J1 Floppy connector. J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 External LED connector. W1 1-2 Look-ahead cache disabled. Open (Default) Look-ahead cache enabled. 3-4 7-byte ECC. Open (Default) 4-byte ECC. 5-6 Translation disabled. Use this only if your system supports the physical the specs of the drive in use (ie. less than 1024 cylinders). Open (Default) Translation enabled. 7-8 Reserved 9-10 Drive is forced to 35 sectors per track. Open Hard drive is polled to determine sectors per track. 11-12 Allocates an alternate sector per track for the purpose of media defect mapping. Selecting this option will result in a net loss of storage capacity. Open (Default) No alternate sectors allocated for defect mapping. This option allows for the greatest formatted capacity. W3 1-2 BIOS ROM disabled. Open (Default) BIOS ROM enabled. W5 1-2 Dual-speed floppies installed. Open (Default) Single-speed floppies installed. W6 1-2 Secondary floppy address (372-377). Open (Default) Primary floppy address (3F2-3F7). W7 1-2 (Default) IRQ14. 2-3 IRQ15. W8 1-2 BIOS address C8000 - CBFFF. 2-3 (Default) BIOS address CC000 - CFFFF. W12 1-2 Secondary hard drive address (170-177). Open (Default) Primary hard drive address (1F0-1F7). Jumper W1 9-10 and 11-12 for WD1007A compatible mode. This allows direct replacement of the WD1007A without the need to re-format the hard drive(s). } * //WD1007V-SE1 01 C48, 92, 1, 0 T54, 90, 0, 1, J5 C33, 92, 0, 0 T36, 90, 0, 1, J4 C18, 92, 0, 0 T21, 90, 0, 1, J3 T7, 90, 0, 1, J6 T57, 78, 0, 1, W1 T68, 78, 0, 1, W3 T48, 56, 0, 1, W7 T68, 56, 0, 1, W8 T66, 70, 0, 1, W12 { Drives: 2 ESDI drives supported. J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 External LED connector. W1 1-2 Look-ahead cache disabled. Open (Default) Look-ahead cache enabled. 3-4 7-byte ECC. Open (Default) 4-byte ECC. 5-6 Translation disabled. Use this only if your system supports the physical the specs of the drive in use (ie. less than 1024 cylinders). Open (Default) Translation enabled. 7-8 Reserved 9-10 Drive is forced to 35 sectors per track. Open Hard drive is polled to determine sectors per track. 11-12 Allocates an alternate sector per track for the purpose of media defect mapping. Selecting this option will result in a net loss of storage capacity. Open (Default) No alternate sectors allocated for defect mapping. This option allows for the greatest formatted capacity. W3 1-2 BIOS ROM disabled. Open (Default) BIOS ROM enabled. W7 1-2 (Default) IRQ14. 2-3 IRQ15. W8 1-2 BIOS address C8000 - CBFFF. 2-3 (Default) BIOS address CC000 - CFFFF. W12 1-2 Secondary hard drive address (170-177). Open (Default) Primary hard drive address (1F0-1F7). Jumper W1 9-10 and 11-12 for WD1007A compatible mode. This allows direct replacement of the WD1007A without the need to re-format the hard drive(s). } * //WD1007V-MC1 32 E22, 90, 8, 3 T24, 87, 0, 1, J3 E34, 90, 8, 3 T36, 87, 0, 1, J2 E47, 90, 14, 3 T51, 87, 0, 1, J4 { Drives: 2 ESDI drives supported. J2 Drive 0 data connector. J3 Drive 1 data connector. J4 HD control connector. This controller has no jumper switch settings. All options are configured via firmware and a PS/2 reference diskette. } * //WD1004A-WX1 { Debug address: C800:5 R23 Open (Default) Controller BIOS enabled. Closed Controller BIOS disabled. External BIOS enabled. W25, Closed (Default) RLL table, 17 sectors, translation W26 Open enabled, and dynamic configuration disabled. Open RLL table, 26 sectors, translation disabled, and Closed dynamic configuration enabled. W27 Closed IRQ2. Open (Default) IRQ5. W28 Open XT mode. Closed AT mode. } * //WD1003V-MM1 01 C47, 90, 1, 0 T53, 83, 0, 1, J5 C32, 90, 0, 0 T35, 83, 0, 1, J4 C17, 90, 0, 0 T20, 83, 0, 1, J3 T7, 85, 0, 1, J6 T35, 78, 0, 1, W1 T72, 75, 0, 1, W3 T72, 72, 0, 1, W4 T72, 69, 0, 1, W5 T83, 56, 0, 1, W6 { Drives: 2 MFM drives supported. BIOS: None. Replaces: WD1003-WAH J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 Connector for external LED. W1 1-2 Closed Status read is not latched. SELECT active only when drive is being accessed. Open (Default) Status read is latched. SELECT active whenever drive is the current drive. 3-4 Open Four-byte ECC. Closed Seven-byte ECC. 5-6 Open (Default) Cache enabled. Closed Cache disabled. 7-8 Open WD1003-WAH / WD1003-WA2 compatibility disabled for drives with more than 8 heads. Closed WD1003-WAH / WD1003-WA2 compatibility enabled for drives with more than 8 heads. W3 Open (Default) Primary HD address. Closed Secondary HD address. W4 Reserved. W5 Reserved. W6 Open Bracket not grounded. Closed Bracket is grounded. } * //WD1003V-MM2 01 C67, 90, 1, 0 T73, 83, 0, 1, J1 C47, 90, 1, 0 T53, 83, 0, 1, J5 C32, 90, 0, 0 T35, 83, 0, 1, J4 C17, 90, 0, 0 T20, 83, 0, 1, J3 T7, 85, 0, 1, J6 T35, 78, 0, 1, W1 T72, 75, 0, 1, W3 T72, 72, 0, 1, W4 T72, 69, 0, 1, W5 T83, 56, 0, 1, W6 { Drives: 2 MFM drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). BIOS: None. Replaces: WD1003-WA2 J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 Connector for external LED. W1 1-2 Closed Status read is not latched. SELECT active only when drive is being accessed. Open (Default) Status read is latched. SELECT active whenever drive is the current drive. 3-4 Open Four-byte ECC. Closed Seven-byte ECC. 5-6 Open (Default) Cache enabled. Closed Cache disabled. 7-8 Open WD1003-WAH / WD1003-WA2 compatibility disabled for drives with more than 8 heads. Closed WD1003-WAH / WD1003-WA2 compatibility enabled for drives with more than 8 heads. W3 Open (Default) Primary HD address. Closed Secondary HD address. W4 Open (Default) Primary floppy address. Closed Secondary floppy address. W5 Open (Default) Single-speed floppies installed. Closed Dual-speed floppies installed. W6 Open Bracket not grounded. Closed Bracket is grounded. } * //WD1006V-MC1 32 E22, 90, 8, 3 T24, 87, 0, 1, J3 E34, 90, 8, 3 T36, 87, 0, 1, J2 E47, 90, 14, 3 T51, 87, 0, 1, J4 { Drives: 2 MFM drives supported. J2 Drive 0 data connector. J3 Drive 1 data connector. J4 HD control connector. This controller has no jumper switch settings. All options are configured via firmware and a PS/2 reference diskette. } * //WD1006V-MC2 32 E22, 90, 8, 3 T24, 87, 0, 1, J3 E34, 90, 8, 3 T36, 87, 0, 1, J2 E47, 90, 14, 3 T51, 87, 0, 1, J4 { Drives: 2 RLL drives supported. J2 Drive 0 data connector. J3 Drive 1 data connector. J4 HD control connector. This controller has no jumper switch settings. All options are configured via firmware and a PS/2 reference diskette. } * //WD1006-WAH 01 C66, 90, 1, 0 T72, 83, 0, 1, J4 C52, 90, 0, 0 T55, 83, 0, 1, J3 C39, 90, 0, 0 T42, 83, 0, 1, J2 T13, 75, 0, 1, W1 T26, 82, 0, 1, W2 T63, 78, 0, 1, W3 T60, 70, 0, 1, W4 W5 T65, 67, 0, 1, W6 T19, 67, 0, 1, W7 T19, 62, 0, 1, W8 T19, 59, 0, 1, W9 T73, 65, 0, 1, W10 T81, 65, 0, 1, W11 { Drives: 2 MFM drives supported. Replaced by: WD1006V-MM1 Models: The WD1006-WAH is available in two versions. F001 - Onboard cacheing. F002 - Onboard cacheing, and a wait-state generator. J2 Drive 1 data connector. J3 Drive 0 data connector. J4 HD control connector. W1 1-2 (Default) Up to 16-heads, no Reduced Write Current. 2-3 Up to 8-heads, and RWC support. W2 Open Used with F001. Indicates no wait-state support. 1-2 No wait state desired (F002). 3-4 1 wait state (F002). 5-6 2 wait states (F002). W3 1-2 (Default) Primary I/O ports. 2-3 Secondary I/O ports. W4 Open Drive LED is latched. Also, remove W10. Closed Drive LED is not latched. LED is lit whenever drive is selected. W5 - W8 Reserved. W9 Open (Default) Cacheing enabled. Closed Cacheing disabled. W10 Open (Default) Non-latched mode (see W4). Closed Latched mode. W11 Open Bracket not grounded. Closed Bracket grounded to chassis. } * //WD1006S-WAH 11 E50, 94, 15, 4 T55, 92, 0, 1, J4 E38, 94, 10, 4 T41, 92, 0, 1, J3 E26, 94, 10, 4 T29, 92, 0, 1, J2 T21, 92, 0, 1, J1 T38, 88, 0, 1, W1 T40, 68, 0, 1, W2 T44, 64, 0, 1, W3 T64, 54, 0, 1, W4 T52, 60, 0, 1, W5 T60, 54, 0, 1, W6 { Drives: 2 MFM drives supported. Replaced by: WD1006V-MM1 Models: The WD1006S-WAH is available in only one version. F001 - Onboard cacheing, no wait-state generator.. J1 External LED connector. J2 Drive 1 data connector. J3 Drive 0 data connector. J4 HD control connector. W1 Open Drive LED is latched. Also, remove W6. Closed (Default) Drive LED is not latched. LED is lit whenever drive is selected. W2 1-2 (Default) Up to 16-heads, no Reduced Write Current. 2-3 Up to 8-heads, and RWC support. W3 Open (Default) Cacheing enabled. Closed Cacheing disabled. W4 Open Bracket not grounded. Closed Bracket grounded to chassis. W5 1-2 (Default) Primary I/O ports. 2-3 Secondary I/O ports. W6 Open (Default) Non-latched mode (see W1). Closed Latched mode. } * //WD1006V-MM1 01 C47, 90, 1, 0 T53, 83, 0, 1, J5 C32, 90, 0, 0 T35, 83, 0, 1, J4 C17, 90, 0, 0 T20, 83, 0, 1, J3 T7, 85, 0, 1, J6 T35, 78, 0, 1, W1 T72, 75, 0, 1, W3 T72, 72, 0, 1, W4 T72, 69, 0, 1, W5 T83, 56, 0, 1, W6 { Drives: 2 MFM drives supported. BIOS: None. Replaces: WD1006-WAH J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 Connector for external LED. W1 1-2 Closed Status read is not latched. SELECT active only when drive is being accessed. Open (Default) Status read is latched. SELECT active whenever drive is the current drive. 3-4 Open Four-byte ECC. Closed Seven-byte ECC. 5-6 Open (Default) Cache enabled. Closed Cache disabled. 7-8 Open WD1003-WAH / WD1003-WA2 compatibility disabled for drives with more than 8 heads. Closed WD1003-WAH / WD1003-WA2 compatibility enabled for drives with more than 8 heads. W3 Open (Default) Primary HD address. Closed Secondary HD address. W4 Reserved. W5 Reserved. W6 Open Bracket not grounded. Closed Bracket is grounded. } * //WD1006V-MM2 01 C67, 90, 1, 0 T73, 83, 0, 1, J1 C47, 90, 1, 0 T53, 83, 0, 1, J5 C32, 90, 0, 0 T35, 83, 0, 1, J4 C17, 90, 0, 0 T20, 83, 0, 1, J3 T7, 85, 0, 1, J6 T35, 78, 0, 1, W1 T72, 75, 0, 1, W3 T72, 72, 0, 1, W4 T72, 69, 0, 1, W5 T83, 56, 0, 1, W6 { Drives: 2 MFM drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). BIOS: None. Replaces: WD1006-WA2 J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 Connector for external LED. W1 1-2 Closed Status read is not latched. SELECT active only when drive is being accessed. Open (Default) Status read is latched. SELECT active whenever drive is the current drive. 3-4 Open Four-byte ECC. Closed Seven-byte ECC. 5-6 Open (Default) Cache enabled. Closed Cache disabled. 7-8 Open WD1003-WAH / WD1003-WA2 compatibility disabled for drives with more than 8 heads. Closed WD1003-WAH / WD1003-WA2 compatibility enabled for drives with more than 8 heads. W3 Open (Default) Primary HD address. Closed Secondary HD address. W4 Open (Default) Primary floppy address. Closed Secondary floppy address. W5 Open (Default) Single-speed floppies installed. Closed Dual-speed floppies installed. W6 Open Bracket not grounded. Closed Bracket is grounded. } * //WD1003V-SR1 01 C47, 90, 1, 0 T53, 83, 0, 1, J5 C32, 90, 0, 0 T35, 83, 0, 1, J4 C17, 90, 0, 0 T20, 83, 0, 1, J3 T7, 85, 0, 1, J6 T35, 78, 0, 1, W1 T65, 75, 0, 1, W2 T65, 72, 0, 1, W3 T65, 69, 0, 1, W4 T65, 62, 0, 1, W5 T83, 56, 0, 1, W6 { Drives: 2 RLL drives supported. Replaces: WD1003-RAH Debug address: CC00:5 J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 Connector for external LED. W1 1-2 Closed Status read is not latched. SELECT active only when drive is being accessed. Open (Default) Status read is latched. SELECT active whenever drive is the current drive. 3-4 Open Four-byte ECC. Closed Seven-byte ECC 5-6 Open (Default) Cache enabled. Closed Cache disabled. W2 Open (Default) BIOS enabled. Closed BIOS disabled. W3 Open (Default) Primary HD address. Closed Secondary HD address. W4 Reserved. W5 Reserved. W6 Open Bracket not grounded. Closed Bracket is grounded. } * //WD1003V-SR2 01 C67, 90, 1, 0 T73, 83, 0, 1, J1 C47, 90, 1, 0 T53, 83, 0, 1, J5 C32, 90, 0, 0 T35, 83, 0, 1, J4 C17, 90, 0, 0 T20, 83, 0, 1, J3 T7, 85, 0, 1, J6 T35, 78, 0, 1, W1 T65, 75, 0, 1, W2 T65, 72, 0, 1, W3 T65, 69, 0, 1, W4 T65, 62, 0, 1, W5 T83, 56, 0, 1, W6 { Drives: 2 RLL drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). Replaces: WD1003-RA2 Debug address: CC00:5 J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 Connector for external LED. W1 1-2 Closed Status read is not latched. SELECT active only when drive is being accessed. Open (Default) Status read is latched. SELECT active whenever drive is the current drive. 3-4 Open Four-byte ECC. Closed Seven-byte ECC. 5-6 Open (Default) Cache enabled. Closed Cache disabled. W2 Open (Default) BIOS enabled. Closed BIOS disabled. W3 Open (Default) Primary HD address. Closed Secondary HD address. W4 Open (Default) Primary floppy address. Closed Secondary floppy address. W5 Open (Default) Single-speed floppies installed. Closed Dual-speed floppies installed. W6 Open Bracket not grounded. Closed Bracket is grounded. } * //WD1006V-SR1 01 C47, 90, 1, 0 T53, 83, 0, 1, J5 C32, 90, 0, 0 T35, 83, 0, 1, J4 C17, 90, 0, 0 T20, 83, 0, 1, J3 T7, 85, 0, 1, J6 T35, 78, 0, 1, W1 T65, 75, 0, 1, W2 T65, 72, 0, 1, W3 T65, 69, 0, 1, W4 T65, 62, 0, 1, W5 T83, 56, 0, 1, W6 { Drives: 2 RLL drives supported. Replaces: WD1006-RAH Debug address: CC00:5 J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 Connector for external LED. W1 1-2 Closed Status read is not latched. SELECT active only when drive is being accessed. Open (Default) Status read is latched. SELECT active whenever drive is the current drive. 3-4 Open Four-byte ECC. Closed Seven-byte ECC 5-6 Open (Default) Cache enabled. Closed Cache disabled. W2 Open (Default) BIOS enabled. Closed BIOS disabled. W3 Open (Default) Primary HD address. Closed Secondary HD address. W4 Reserved. W5 Reserved. W6 Open Bracket not grounded. Closed Bracket is grounded. } * //WD1006V-SR2 01 C67, 90, 1, 0 T73, 83, 0, 1, J1 C47, 90, 1, 0 T53, 83, 0, 1, J5 C32, 90, 0, 0 T35, 83, 0, 1, J4 C17, 90, 0, 0 T20, 83, 0, 1, J3 T7, 85, 0, 1, J6 T35, 78, 0, 1, W1 T65, 75, 0, 1, W2 T65, 72, 0, 1, W3 T65, 69, 0, 1, W4 T65, 62, 0, 1, W5 T83, 56, 0, 1, W6 { Drives: 2 RLL drives supported. 2 floppy drives (360KB, 720KB, 1.2MB, and 1.44MB). Replaces: WD1006-RA2 Debug address: CC00:5 J3 Drive 1 data connector. J4 Drive 0 data connector. J5 HD control connector. J6 Connector for external LED. W1 1-2 Closed Status read is not latched. SELECT active only when drive is being accessed. Open (Default) Status read is latched. SELECT active whenever drive is the current drive. 3-4 Open Four-byte ECC. Closed Seven-byte ECC. 5-6 Open (Default) Cache enabled. Closed Cache disabled. W2 Open (Default) BIOS enabled. Closed BIOS disabled. W3 Open (Default) Primary HD address. Closed Secondary HD address. W4 Open (Default) Primary floppy address. Closed Secondary floppy address. W5 Open (Default) Single-speed floppies installed. Closed Dual-speed floppies installed. W6 Open Bracket not grounded. Closed Bracket is grounded. } *