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SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 1996
ST-31080N SCSI-2 FAST, (Antigua CFP1080S)
ÉÍÍÍÍÍÍÍÍÍÍÍ»
º REAR VIEW º
ÈÍÍÍÍÍÍÍÍÍÍͼ
50 pin I/O Cable Connection J2
³
ÕÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍÍÍÍÍÍÍÍÍ͸ /ÄÄÄÄÄÄÄÄÄ\ TOP (HDA)
Í͵::::::::::::::::::::::::1Æͳ 0 0 0 0 ³ÍÍ
J1ÔÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ; ÀÄ5ÄGÄGÄ12Ù BOTTOM
ÚÄÄTResÄÄ1 ÚÄÄTResÄÄ1
ÀÄÄÄÄÄÄÄÄÙ ÀÄÄÄÄÄÄÄÄÙ
oÂo o o o o
³ o o o o J4 Options
Term Power ÄÙ ³ ³ ³ ³
Closed = Power from drive ³ ³ ³ ÀÄÄ Disable Spin
Open = Power from interface ³ ³ ÀÄÄÄÄ ID 4
³ ÀÄÄÄÄÄÄ ID 2
ÀÄÄÄÄÄÄÄÄ ID 1
ID 0 no jumpers
ST-31080N
ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
º Front View º
ÈÍÍÍÍÍÍÍÍÍÍÍÍÍͼ
ÚÄÄÄÄÄÄÄÄÄÄÄ Disable Spin
³ ÚÄÄÄÄÄÄÄ SCSI ID's (none for ID0)
(TOP) ³ ³
³ ÚÄÁÄ¿ J3
³ 4 2 1
o o o o o o o o o o o
Í o o o oÍÍÍ o o o o o o ÍÍÍÍÍÍÍÍPWAÍÍÍÍÍÍÍÍÍÍ
³ ÀÄÄÂÄÄÙ ³ ³
(BOTTOM) J6 ³ ³ ³ ÀÄÄ Spindle Synch
³ ³ ÀÄÄÄÄ LED Driver
³ ÀÄÄÄÄÄÄÄÄÄÄÄ Reserved
ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ pin removed
ST-31080N Antigua
FORMATTED CAPACITY (MB) __________________1080
AVERAGE SECTORS PER TRACK ________________96 rounded down
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________21,948
CYLINDERS ________________________________3658 user
HEADS ______PHYSICAL______________________6
DISCS (3.5 in) ___________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec)________31.5 to 55.7
EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync
SPINDLE SPEED (RPM) ______________________5,400
AVERAGE LATENCY (mSEC) ___________________5.55
BUFFER ___________________________________256/512 KByte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________SCSI-2 Fast
BYTES PER TRACK (avg) ____________________
SECTORS PER DRIVE ________________________
TPI (TRACKS PER INCH) ____________________3849
BPI (BITS PER INCH) ______________________64K
AVERAGE ACCESS (ms) (read/write)__________11/11.5
SINGLE TRACK SEEK (ms) ___________________3
MAX FULL SEEK (ms) _______________________26
MTBF (power-on hours) ____________________500,000
SHOCK (G's):
operating (Read/Write) __________5
nonoperating ____________________75
ACOUSTICS (typ/max dBA) __________________<43/
POWER REQUIREMENTS: +12V START-UP (amps) _1.5
+12V TYPICAL (amps) __.2
+5V START-UP (amps) __.5
+5V TYPICAL (amps) ___.275
IDLE (watts) _________3.75
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Physical:
Height (inches/mm): 1/25.4
Width (inches/mm): 4.00/101.6
Depth (inches/mm): 5.75/146.1
Weight (lbs/kg): 1.3/0.59
Already low-level formatted at the factory with x spare sectors
per cylinder and x spare cylinder per unit.
ZBR = Zone Bit Recording = Variable sectors per track
Seagate reserves the right to change, without notice, product
offerings or specifications. (07/31/97)
A copy of this specification file may be obtained
by FTP at
ftp://ftp.seagate.com/techsuppt/scsi/st31080n.txt.
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