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SEAGATE TECHNOLOGY, INC.
Customer Technical Support FAX Network +1 408 438-8137
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
??????????????????????????????????????????????????????????????????????
? United States +1 408 438-8771 ? United Kingdom +44 628 478011 ?
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? Germany +49 89 140-9331 ? Singapore +65 227-2217 ?
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(C)opyright 1993
ST-31230N SCSI-2 Fast (Hawk 2LP)
?????????????
? REAR VIEW ? (ST-31230N only)
?????????????
50 pin I/O Cable Connection
?
J1?????????????????????????1? /?????????\ TOP (HDA)
??:::::::::::::::::::::::::??? 0 0 0 0 ???
??????????????????????????? ??5?G?G?12? BOTTOM
???????????????????
? RIGHT SIDE VIEW ? (ST-31230N)
???????????????????
BACK ??? J2 12345678 TOP (HDA) FRONT
OF J1???????????????????????P?W?A??????????????????????? OF
DRIVE ??? :::::::: BOTTOM DRIVE
????????
?Terminator Power ???????? Enable T-Res
??Terminator Power ???????? Start Delay (12 secs * ID)
? Reserved ???????? Motor Start
? Parity Enable ???????? Write Protect
?
?
? ??????????????????????????????????
??? Termination Power-source Table ?
????????????????????????????????????????????????
??????....?????....?????PWA edge????? ?
? ?
? 1 2 1 2 1 2 ?
? ??? ??? A Drive Supplies Bus ?
? ???? ???? ????? B Drive Supplies Own ?
? ???? ???? ?? ?? C Bus Supplies Drive ?
? A B C ?
??????????Default???????????????????????????????
??????????????????
? LEFT SIDE VIEW ? (ST-31230N)
?????????????????? If these ID jumpers are used,
then ID jumpers shown in front
view ARE NOT USED.
FRONT TOP (HDA) J5 ???1? ???BACK
OF ????????P?W?A????????????????????????????????:::???J1 OF
DRIVE BOTTOM ????? ???DRIVE
???
ID 1 ????? ID 4
ID 2
??????????????
? FRONT VIEW ? (ST-31230N)
??????????????
????Reserved. Shipped with cover installed.
? ?Do not remove. Do not install jumpers
TOP (HDA) ?????? 1
??P?W?A??????????????????????::::?::::::???
* BOTTOM ??????123456
? J6 ??????
LED ?? ??????
ID 4 ?????? Reserved
ID 2 ?????? Remote LED (pin-3 +5v)
ID 1 ?????? Reserved
If these ID jumper are used, then ID jumpers shown in left side view J5
ARE NOT USED.
ST-31230N
Hawk 2LP
UNFORMATTED CAPACITY (MB) ________________1280
FORMATTED CAPACITY (xx SECTORS) (MB) _____1060
AVERAGE SECTORS PER TRACK ________________103
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________19,960
CYLINDERS ________________________________3992
HEADS ______PHYSICAL______________________5
DISCS (3.5 in) ___________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec)________33.9 to 56.7
EXTERNAL TRANSFER RATE (mbyte/sec) _______5.2 Async
EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync
SPINDLE SPEED (RPM) ______________________5411
AVERAGE LATENCY (mSEC) ___________________5.54
BUFFER ___________________________________512 KByte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________SCSI-2 FAST
TPI (TRACKS PER INCH) ____________________4200
AVERAGE ACCESS (ms) (read/write)__________10.4/11.4
Including controller overhead
SINGLE TRACK SEEK (ms) (read/write)_______2.1/2.5
MAX FULL SEEK (ms) (read/write)___________20.4/21.4
MTBF (power-on hours) ____________________800,000
SHOCK (G's):
operating (Read/Write) __________10
nonoperating ____________________75
ACOUSTICS (typ/max dBA) __________________
POWER REQUIREMENTS: +12V START-UP (amps) _2.0
+12V TYPICAL (amps) __0.35
+5V START-UP (amps) __0.61
+5V TYPICAL (amps) ___0.35
TYPICAL (watts) ______6
MAXIMUM (watts) ______9
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Physical:
Height (inches/mm): 1.00/25.4
Width (inches/mm): 4.02/101.6
Depth (inches/mm): 5.74/145.8
Weight (lbs/kg): 1.5/0.68
Already low-level formatted at the factory with 1 spare sector
per head (all spare sectors are on one track) and 2 spare
cylinders per unit.
ZBR = Zone Bit Recording = Variable sectors per track
Seagate reserves the right to change, without notice, product
offerings or specifications. (08/26/94)