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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)
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? 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-43401N/ND Elite 3 SCSI-2 Fast Wide
??????? Write Protect option enable
? ???? Not used
? ? ?? Master off/Slave on - Spindle Sync
? ? ? ?????????? Terminator Power Source (see below)???
? ? ?J4A ? ? Terminators (SIP on single, ?
?? ?? ?? J01? ? DIP on differential) ?
?o oo o? J7 ??????? ????????????? J4B ?
?o oo o?o o o o o o-a-o-o?4o?o3??????1?????1?????1 Power o o o o ?
????????o o o o o o-b-o-o?2o o1?___________________ ?12?G?G?5?? o o o o ?
?P?W?A??????????????^??????????( ?????????????????1)??? 0 0 0 0 ??????????? ?
8 4 2 1 ? ? ? ? ? \?????????????????/ \?????????/ ? ? ? ? ?
??????? ? ? ? ? SCSI Cable Connector ? ? ? ? ?
? ? ? ? ? ? 68-pin ? ? ? ? ?
SCSI ID ????? ? ? ? ? ? ? ? ? ?
Motor ?????????? ? ? ? ? Spinup Delay (10 secs * ID) ?? ? ? ? ?
?Ground ??????????? ? ? Motor Start option enable ???? ? ? ?
?Key (no pin) ??????? ? ? Parity enable ?????? ? ?
?Spindle Sync (SSCLK-)? ? Sweep Cycle enable ???????? ?
?Spindle Sync (SSCLK+)??? ?
?? port a and b (horizontal) ?
?
???????????????????????????????????? ?
? Terminator Power Source Options ??????????????????????????????????????????
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? 2 & 4 ? Initiator supplies power over the SCSI Bus for terminators. ?
? Drive supplies no terminator power. ?
? 1 & 2 ? Drive supplies power for its own terminator resistor-paks ?
? but not to SCSI Bus. This is the factory setting. ?
? 1 & 3 ?
? AND ? Drive supplies power for external terminator at end of the ?
? 2 & 4 daisy chain. Terminator resistor-paks must be removed. ?
? This option is recommended only for last drive on daisy ?
? chain. ?
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T-RES descriptions: ST43401N 3 SIPs
ST43401ND 3 DIPs
ST-43401N/ND
Elite 3
UNFORMATTED CAPACITY _____________________3,554,871,600
FORMATTED CAPACITY (512 byte blk) ________2,912,484,864
AVERAGE SECTORS PER TRACK ________________99 (rounded down)
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________57,435
CYLINDERS ________________________________2,738/2,735 (user)
HEADS ____________________________________21
DISCS (5.25 in) __________________________11
MEDIA TYPE _______________________________THIN FILM
HEAD TYPE ________________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec) _______35-52
INTERNAL TRANSFER RATE AVG (mbyte/sec) ___6.0
EXTERNAL TRANSFER RATE (mbyte/sec) _______20 Sync.
SPINDLE SPEED (RPM) ______________________5,400
AVERAGE LATENCY (mSEC) ___________________5.55
COMMAND OVERHEAD (mSEC) __________________<0.5
BUFFER ___________________________________512 Kbyte
Read Look-Ahead, Adaptive, Multi-Segmented
Cache
INTERFACE ________________________________SCSI-2 FAST Wide
BYTES PER TRACK __________________________49,000-72,800
SECTORS PER DRIVE ________________________5,696,655
BYTES PER CYLINDER _______________________1,058,400 to 1,587,600
TPI (TRACKS PER INCH) ____________________
BPI (BITS PER INCH) ______________________
AVERAGE ACCESS (ms) read/write ___________10/11
SINGLE TRACK SEEK (ms) read/write ________0.9/1.7
MAX FULL SEEK (ms) read/write ____________22.5/23.5
MTBF (power-on hours) Class A Room _______300,000
MTBF (power-on hours) Office _____________200,000
POWER DISSIPATION (watts) ________________
POWER REQUIREMENTS: Single-ended/Differential
+12V START-UP (amps) _3.98/4.60
+12V TYPICAL (amps) __1.90/1.88
+5V START-UP (amps) __2.37/3.48
+5V TYPICAL (amps) ___1.96/2.77
TYPICAL ( watts seek/read)_32.60/36.41
IDLE (watts) ______________28.34/31.81
USER MANUAL PART NUMBER __________________83327630
OTHER ____________________________________
Synchronized Spindles, Sweep Cycle Capability