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textfiles/computers/HARDDRIVES/st1980n.txt

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2021-04-15 13:31:59 -05:00
SEAGATE TECHNOLOGY, INC.
Customer Technical Support FAX Network +1 408 438-8137
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ
<EFBFBD> United States +1 408 438-8771 <20> United Kingdom +44 628 478011 <20>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ
<EFBFBD> Germany +49 89 140-9331 <20> Singapore +65 227-2217 <20>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
(C)opyright 1993
ST-1980N SCSI-2 Fast (Hawk 1)
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͻ
<20> REAR VIEW <20>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ
50 pin I/O Cable Connection
<20>
J1<4A><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD> /<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\ TOP (HDA)
͵:::::::::::::::::::::::::<3A>ͳ 0 0 0 0 <20><><EFBFBD>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>; <20><>5<EFBFBD>G<EFBFBD>G<EFBFBD>12<31> BOTTOM
1<><31><EFBFBD><EFBFBD><EFBFBD>Ŀ 1<><31><EFBFBD><EFBFBD><EFBFBD>Ŀ 1<><31><EFBFBD><EFBFBD><EFBFBD>Ŀ
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<20>Terminating Resistors<72>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͻ
<20> RIGHT SIDE VIEW <20>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ
BACK <20>͸ J2 12345678 TOP (HDA) FRONT
OF J1<4A><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>P<EFBFBD>W<EFBFBD>A<EFBFBD><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> OF
DRIVE <20>; :::::::: BOTTOM DRIVE
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<20>Terminator Power ٳ<><D9B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Reserved
ڴTerminator Power <20>ٳ<EFBFBD><D9B3><EFBFBD><EFBFBD><EFBFBD> Start Delay (12 secs * ID)
<20> Factory Use <20><>ٳ<EFBFBD><D9B3><EFBFBD><EFBFBD> Motor Start
<20> Parity Enable <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Write Protect
<20>
<20>
<20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ
<20>Ĵ Termination Power-source Table <20>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŀ
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>....<2E><><EFBFBD><EFBFBD><EFBFBD>....<2E><><EFBFBD><EFBFBD><EFBFBD>PWA edge<67><65><EFBFBD><EFBFBD><EFBFBD> <20>
<20> <20>
<20> 1 2 1 2 1 2 <20>
<20> <20>ķ <20>ķ A Drive Supplies Bus <20>
<20> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> B Drive Supplies Own <20>
<20> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><> <20><> C Bus Supplies Drive <20>
<20> A B C <20>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Default<6C><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͻ
<20> LEFT SIDE VIEW <20>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ If these ID jumpers are used,
then ID jumpers shown in front
view ARE NOT USED.
FRONT TOP (HDA) J5 <20><><EFBFBD>1<EFBFBD> <20>͸BACK
OF <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>P<EFBFBD>W<EFBFBD>A<EFBFBD><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵:::<3A>͵J1 OF
DRIVE BOTTOM <20><><EFBFBD>; <20>;DRIVE
<20><><EFBFBD>
Note: On early drives <20> ID 1 <20>ٳ<EFBFBD><D9B3> ID 4
with PCB# 75782395 or <20> ID 2
#75782485 ID jumpers are<72><65><EFBFBD> ID 4 ID 1
reversed. <20>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͻ
<20> FRONT VIEW <20>
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ
TOP (HDA) J6 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD>
<20><>P<EFBFBD>W<EFBFBD>A<EFBFBD><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵::::::<3A><>
* BOTTOM <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
<20> 123456
LED <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
ID 4 ٳ<><D9B3><EFBFBD><EFBFBD> Reserved
ID 2 <20>ٳ<EFBFBD><D9B3><EFBFBD> Remote LED (pin-3 +5v)
ID 1 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Spindle Synchronization
(pin-6 REF SIG+)
If these ID jumper are used, then
ID jumpers shown in left side
view ARE NOT USED.
ST - 1980N
Hawk 1
UNFORMATTED CAPACITY (MB) ________________1,021
FORMATTED CAPACITY (xx SECTORS) (MB) _____860
AVERAGE SECTORS PER TRACK ________________74
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________22,490
CYLINDERS ________________________________1,730 (user)
HEADS ____________________________________13
DISCS (3.5 in) ___________________________7
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec) _______24.4 to 40.6
EXTERNAL TRANSFER RATE (mbyte/sec) _______4 Async
EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync
SPINDLE SPEED (RPM) ______________________5,411
AVERAGE LATENCY (mSEC) ___________________5.4
BUFFER ___________________________________256 Kbyte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________SCSI-2 Fast
BYTES PER TRACK __________________________45,434 avg.
TPI (TRACKS PER INCH) ____________________2,150
AVERAGE ACCESS (ms) (read/write)__________9.9/10.6
Drive level without controller overhead
SINGLE TRACK SEEK (ms) ___________________1.5/2.0
MAX FULL SEEK (ms) _______________________19.0/20.0
MTBF (power-on hours) ____________________200,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.0
+12V TYPICAL (amps) __0.5
+5V TYPICAL (amps) ___0.4
TYPICAL (watts) ______11
IDLE (watts) _________9
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Already low-level formatted at the factory.
ZBR = Zone Bit Recording = Variable sectors per track
Formatted at the factory with 1 spare sector per track
and two spare cylinders at inner tracks per unit.
Seagate reserves the right to change, without notice, product
offerings or specifications. (08/09/94)
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