SEAGATE TECHNOLOGY, INC. Customer Technical Support FAX Network +1 408 438-8137 Customer Technical Support Bulletin Boards (300-9600, 8-N-1) 旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴커 � United States +1 408 438-8771 � United Kingdom +44 628 478011 � 쳐컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴캑 � Germany +49 89 140-9331 � Singapore +65 227-2217 � 읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴켸 (C)opyright 1993 ST-5660N Fast SCSI-2 �袴袴袴袴袴敲 � REAR VIEW � 훤袴袴袴袴袴� 50 pin I/O Cable Connection � J1郞袴袴袴袴袴 袴袴袴袴袴袴� /컴컴컴컴�\ TOP (HDA) 孤::::::::::::::::::::::::1팠� 0 0 0 0 넌� 突袴袴袴袴袴袴袴袴袴袴袴袴� 읕5횳횳�12� BOTTOM ST-5660N �袴袴袴袴袴袴袴� � Front View � 훤袴袴袴袴袴袴暠 旼컴컴컴컴컴컴컴컴� SCSI ID's (none for ID0) � 旼컴컴컴컴컴컴� Ext. Spindle Clock Synch � � pin-5 is Clock Ground (TOP) � � 旼컴컴컴컴컴� Remote LED 旼좔� � � 旼컴컴컴컴� Reserved 4 2 1 � � � �22 �34 J8 o o o o o o o o o o o o o o o o Option Block �1o o o o o o o o o o o o o o o o o袴袴袴�PWA袴袴袴袴袴 � � � � 읓� 읕컴쩡컴� (BOTTOM) � � � � � 읕컴컴 Reserved pin-14 removed 컴� � � � 읕컴컴컴컴컴� Terminator power � � � see detail below 컴컴� � � 읕컴컴컴컴컴컴컴 Terminator disable � � 읕컴컴컴컴컴컴컴컴 Parity Enable � 읕컴컴컴컴컴컴컴컴컴 Remote Start � � Terminator Power (4 settings) 컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 22 24 1. 23 & 24 Power from drive power connector o o 2. 21 & 22 Power from SCSI bus 3. 21 & 22 and o o 23 & 24 Power from drive power connector and 21 23 to SCSI bus 4. 22 & 24 Power to SCSI bus only ST-5660N UNFORMATTED CAPACITY _____________________ FORMATTED CAPACITY (xx SECTORS) __________545.29 SECTORS PER TRACK ________________________77 rounded down ACTUATOR TYPE ____________________________STRAIGHT ARM CYLINDERS __PHYSICAL______________________3420 HEADS ______PHYSICAL______________________4 DISCS (3.5 in) ___________________________2 MEDIA TYPE _______________________________THIN FILM HEAD TYPE ________________________________THIN FILM RECORDING METHOD _________________________ZBR RLL (1,7) INTERNAL TRANSFER RATE (Mbits/sec) _______27.6 to 47.2 EXTERNAL TRANSFER RATE (Mbytes/sec) ______5 Async/10 Sync SPINDLE SPEED (RPM) ______________________4,500 AVERAGE LATENCY (mSEC) ___________________6.67 BUFFER ___________________________________256 Kbyte SeaCache Read/Write, Read Look-Ahead, Multi-Segmented INTERFACE ________________________________SCSI-2 Fast SECTORS PER DRIVE ________________________1,065,036 TPI (TRACKS PER INCH) ____________________3,309 BPI (BITS PER INCH) ______________________52,602 AVERAGE ACCESS (ms) ______________________12 SINGLE TRACK SEEK (ms) ___________________3.5 MAX FULL SEEK (ms) _______________________30 MTBF (power-on hours) Office _____________300,000 SHOCK (G's): operating (Read/Write) __________2 nonoperating ____________________75 ACOUSTICS (dBa) __________________________34 POWER DISSIPATION (watts) ________________ POWER REQUIREMENTS: +12V START-UP (amps) _1.9 POWER MANAGEMENT (Watts): ACTIVE _______________5.5 IDLE _________________<2.5 STANDBY ______________0.7 WRITE PRECOMP (cyl) ______________________N/A REDUCED WRITE CURRENT (cyl) ______________N/A LANDING ZONE (cyl) _______________________AUTO IBM AT DRIVE TYPE ________________________0 Physical: Height (inches/mm): 0.75/19 Width (inches/mm): 4.02/102.1 Depth (inches/mm): 5/127 Weight (lbs/kg): 1.5/0.68 ZBR = Zone Bit Recording = Variable sectors per track Already low-level formatted at the factory. Seagate reserves the right to change, without notice, product offerings or specifications. (11/22/93)