SEAGATE TECHNOLOGY, INC.
Customer Technical Support FAX Network +1 408 438-8137
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
ЪДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДВДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДї
і United States +1 408 438-8771 і United Kingdom +44 628 478011 і
ГДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДЕДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДґ
і Germany +49 89 140-9331 і Singapore +65 227-2217 і
АДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДБДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДДЩ
(C)opyright 1993
ST-9235NG
ЪД 40-pin I/O Connector (* see below)
TOP і
і 1
o o o o
НPНWНAН :::::::::::.:::::::1 ННш ш ш ш
і
pin-17 removed for keying ДДДДДДДДДДДДДДДДЩ
Pin assignments for the Seagate 2.5" drive SCSI interface connector
(signal) (pin) (signal)
ЪДДДДДДДДДДї pin
Reserved (NC) і 1 2 і Reserved (ND) ID1 ID2 ID4
Reserved (NC) і 3 4 і Reserved (ND) ID ЪДДДДДДДДДДД
ID1- і 5 6 і ID2- 0 і H H H
ID4- і 7 8 і LED 1 і L H H
АДДДДДДДДДДЩ 2 і H L H
ЪДДДДДДДДДДї 3 і L L H
+5v і 1 2 і +5v 4 і H H L
+5v Ret і 3 4 і +5v Ret 5 і L H L
Ground і 5 6 і DB0- 6 і H L L
Ground і 7 8 і DB1- 7 і L L L
Ground і 9 10і DB2-
Ground і 11 12і DB3- H = high
Ground і 13 14і DB4- L = low
Ground і 15 16і DB5-
Connector Key і nopin 18і DB6-
Ground і 19 20і DB7-
Ground і 21 22і Parity-
Ground і 23 24і TRMPWR
ATN- і 25 26і BSY-
Ground і 27 28і ACK-
RST- і 29 30і MSG-
Ground і 31 32і SEL-
I/O- і 33 34і C/D-
Ground і 35 36і REQ-
+5v Ret і 37 38і +5v Ret
+5v і 39 40і +5v
АДДДДДДДДДДЩ
ST-9235N
UNFORMATTED CAPACITY _____________________
FORMATTED CAPACITY (xx SECTORS) __________209.8
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
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)