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-9235NG 旼 40-pin I/O Connector (* see below) TOP � � 1 o o o o �P�W�A� :::::::::::.:::::::1 袴� � � � � pin-17 removed for keying 컴컴컴컴컴컴컴컴� Pin assignments for the Seagate 2.5" drive SCSI interface connector (signal) (pin) (signal) 旼컴컴컴컴커 pin Reserved (NC) � 1 2 � Reserved (ND) ID1 ID2 ID4 Reserved (NC) � 3 4 � Reserved (ND) ID 旼컴컴컴컴컴 ID1- � 5 6 � ID2- 0 � H H H ID4- � 7 8 � LED 1 � L H H 읕컴컴컴컴켸 2 � H L H 旼컴컴컴컴커 3 � L L H +5v � 1 2 � +5v 4 � H H L +5v Ret � 3 4 � +5v Ret 5 � L H L Ground � 5 6 � DB0- 6 � H L L Ground � 7 8 � DB1- 7 � L L L Ground � 9 10� DB2- Ground � 11 12� DB3- H = high Ground � 13 14� DB4- L = low Ground � 15 16� DB5- Connector Key � nopin 18� DB6- Ground � 19 20� DB7- Ground � 21 22� Parity- Ground � 23 24� TRMPWR ATN- � 25 26� BSY- Ground � 27 28� ACK- RST- � 29 30� MSG- Ground � 31 32� SEL- I/O- � 33 34� C/D- Ground � 35 36� REQ- +5v Ret � 37 38� +5v Ret +5v � 39 40� +5v 읕컴컴컴컴켸 ST-9235N UNFORMATTED CAPACITY _____________________ FORMATTED CAPACITY (xx SECTORS) __________209.8 ACTUATOR TYPE ____________________________STRAIGHT ARM TRACKS ___________________________________ LOGICAL CYLINDERS ________________________985 LOGICAL HEADS ____________________________13 LOGICAL SECTORS PER TRACK ________________32 HEADS ____________________________________6 DISCS (2.5 in) ___________________________3 MEDIA TYPE _______________________________THIN FILM HEAD TYPE ________________________________THIN FILM RECORDING METHOD _________________________ZBR RLL (2,7) INTERNAL TRANSFER RATE (mbits/sec) _______up to 16 SPINDLE SPEED (RPM) ______________________3,449 AVERAGE LATENCY (mSEC) ___________________8.69 BUFFER ___________________________________128 Kbyte INTERFACE ________________________________SCSI BYTES PER TRACK __________________________ SECTORS PER DRIVE ________________________409,760 TPI (TRACKS PER INCH) ____________________2,750 BPI (BITS PER INCH) ______________________45,500 FCI (FLUX DENSITY) _______________________30,300 AVERAGE ACCESS (ms) ______________________16 SINGLE TRACK SEEK (ms) ___________________5 MAX FULL SEEK (ms) _______________________27 MTBF (power-on hours) Office _____________150,000 SHOCK (G's) operating/nonoperating _______10/150 NG model with 'SafeRite' ______________100/150 POWER REQUIREMENTS: +5V START-UP (amps) __1.3 POWER MANAGEMENT (Watts): ACTIVE _______________2.5 STANDBY ______________1.8 SHUTDOWN _____________1.08 WRITE PRECOMP (cyl) ______________________N/A REDUCED WRITE CURRENT (cyl) ______________N/A LANDING ZONE (cyl) _______________________AUTO IBM AT DRIVE TYPE ________________________0 Physical: Height (inches/mm): 0.75/19.05 Width (inches/mm): 2.76/70.10 Depth (inches/mm): 4.01/101.85 Weight (ozs/kg): 7.25/0.21 ZBR = Zone Bit Recording = Variable sectors per track Seagate reserves the right to change, without notice, product offerings or specifications. (08/17/93)