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SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 1996
ST-9252N, Filepro 250 SCSI (Trigger CFN250S)
ÚÄ 40-pin I/O Connector (* see below)
TOP ³
³ 1
o o o o
ÍPÍWÍAÍ :::::::::::.:::::::1 ÍÍø ø ø ø
³
pin-17 removed for keying ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
Pin assignments for the 2.5" drive SCSI interface connector
(signal) (pin) (signal)
ÚÄÄÄÄÄÄÄÄÄÄ¿ pin
Reserved (NC) ³ 1 2 ³ Reserved (ND) ID1 ID2 ID4
Reserved (NC) ³ 3 4 ³ Reserved (ND) ID ÚÄÄÄÄÄÄÄÄÄÄÄ
ID1- ³ 5 6 ³ ID2- 0 ³ H H H
ID4- ³ 7 8 ³ LED 1 ³ L H H
ÀÄÄÄÄÄÄÄÄÄÄÙ 2 ³ H L H
ÚÄÄÄÄÄÄÄÄÄÄ¿ 3 ³ L L H
+5v ³ 1 2 ³ +5v 4 ³ H H L
+5v Ret ³ 3 4 ³ +5v Ret 5 ³ L H L
Ground ³ 5 6 ³ DB0- 6 ³ H L L
Ground ³ 7 8 ³ DB1- 7 ³ L L L
Ground ³ 9 10³ DB2-
Ground ³ 11 12³ DB3- H = high
Ground ³ 13 14³ DB4- L = low
Ground ³ 15 16³ DB5-
Connector Key ³ nopin 18³ DB6-
Ground ³ 19 20³ DB7-
Ground ³ 21 22³ Parity-
Ground ³ 23 24³ TRMPWR
ATN- ³ 25 26³ BSY-
Ground ³ 27 28³ ACK-
RST- ³ 29 30³ MSG-
Ground ³ 31 32³ SEL-
I/O- ³ 33 34³ C/D-
Ground ³ 35 36³ REQ-
+5v Ret ³ 37 38³ +5v Ret
+5v ³ 39 40³ +5v
ÀÄÄÄÄÄÄÄÄÄÄÙ
ST-9252N
Filepro 250 SCSI (Trigger CFN250S)
FORMATTED CAPACITY _______________________252.7
ACTUATOR TYPE ____________________________VOICE COIL
CYLINDERS __PHYSICAL______________________1339
HEADS ______PHYSICAL______________________6
DISCS (3.5 in) ___________________________3
MEDIA TYPE _______________________________THIN FILM
HEAD TYPE ________________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (Mbits/sec) _______18 to 28
EXTERNAL TRANSFER RATE (Mbytes/sec) ______up to 6.0
PIO MODE _________________________________2
SPINDLE SPEED (RPM) ______________________4500
AVERAGE LATENCY (mSEC) ___________________6.7
BUFFER ___________________________________32K
Read/Write Multiple, Read Look-Ahead,
Multi-Segmented
INTERFACE ________________________________SCSI
SECTORS PER DRIVE (LBA mode) _____________493,626
TPI (TRACKS PER INCH) ____________________2611
BPI (KBITS PER INCH) _____________________58,230
AVERAGE ACCESS (ms) ______________________12
SINGLE TRACK SEEK (ms) ___________________2.6
MAX FULL SEEK (ms) _______________________20
MTBF (power-on hours) Office _____________150,000
SHOCK (G's):
operating (Read/Write) __________10
abnormal ________________________
nonoperating ____________________200
ACOUSTICS (bels) (typ/max) _______________34/
POWER DISSIPATION (watts) ________________
POWER REQUIREMENTS: +5V START-UP (amps) _1.0
POWER MANAGEMENT (Watts):
ACTIVE _______________1.1
IDLE _________________1.0
STANDBY ______________.20
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
LANDING ZONE (cyl) _______________________AUTO
IBM AT DRIVE TYPE ________________________0 or none
Physical:
Height (inches/mm): .77/19.5
Width (inches/mm): 2.75/69.8
Depth (inches/mm): 4.00/101.6
Weight (oz/kg): 7.0/0.20
Already low-level formatted at the factory.
Seagate reserves the right to change, without notice, product
offerings or specifications. (03/13/96)
A copy of this specification file may be obtained
by FTP at
ftp://ftp.seagate.com/techsuppt/scsi/st9252n.txt.
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