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ST43402N.TXT
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1994-02-11
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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)
⁄ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¬ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒø
≥ United States +1 408 438-8771 ≥ United Kingdom +44 628 478011 ≥
√ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ≈ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¥
≥ Germany +49 89 140-9331 ≥ Singapore +65 227-2217 ≥
¿ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¡ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒŸ
(C)opyright 1993
ST-43402ND Dual Port Differential Fast Wide SCSI-2
⁄ƒƒƒƒƒ Not used
≥ ⁄ƒƒƒ Write Protect option enable
≥ ≥ ⁄ƒ Master off/Slave on - Spindle Sync
≥ ≥ ≥
⁄⁄≈ø≥ƒ≥øJ4A TOP
≥oooo o≥
≥oooo o≥ o-a-o-o Power o o o o
¿ƒƒƒƒƒƒŸ o-b-o-o ⁄12ƒGƒGƒ5ƒø o o o o J4B
ÕÕÕÕÕÕÕÕÕÕ≥Õ^Õ≥Õ≥ÕÕÕÕPWAÕÕÕÕÕÕÕÕµ 0 0 0 0 ΔÕÿÕÿÕÿÕÿÕÕÕÕÕÕÕÕ
≥ ≥ ≥ ≥ \ƒƒƒƒƒƒƒƒƒ/ ≥ ≥ ≥ ≥
≥ ≥ ≥ ≥ ≥ ≥ ≥
( \ ≥ ≥ ≥ ≥ Spinup Delay ≥ ≥ ≥ ≥ /)
≥ŒŒ\ ≥ ≥ ≥ (10 secs * ID) ƒŸ ≥ ≥ ≥ /ŒŒ≥
≥ŒŒ≥ ≥ ≥ ≥ ≥ Motor Start ≥ ≥ ≥ ≥ŒŒ≥
≥ŒŒ≥ ≥ ≥ ≥ option enable ƒƒƒŸ ≥ ≥ ≥ŒŒ≥
≥ŒŒ≥ ≥ ≥ ≥ ≥ Parity Check disable ƒƒƒƒƒŸ ≥ ≥ŒŒ≥
≥ŒŒ≥ ≥ ≥ ≥ Sweep Cycle enable ƒƒƒƒƒƒƒŸ ≥ŒŒ≥
≥ŒŒ≥ ≥ ≥ ≥ ≥ ≥ŒŒ≥
≥ŒŒ/ ≥ ≥ ¿ƒ Spindle Sync (SSCLK+) \ŒŒ≥
( / ≥ ≥ ¿ƒƒƒ Spindle Sync (SSCLK-) \)
Port B ≥ ¿ƒƒƒƒƒ Key (no pin) Port A
¿ƒƒƒƒƒƒƒ Ground
port a and b (horizontal)
⁄ƒƒƒƒƒƒƒ¬ƒƒƒƒ(top pin-2)ƒ LED 4
≥ ¿ƒ(bottom pin-1)ƒ Manual Reset
To activate J10 ≥ ⁄ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¬ƒ Write Protect enable LED
features, pin ≥ ≥ ¿ƒ Write Protect enable
is grounded to ≥ ≥ ⁄ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¬ƒ Port B active LED
external switch.≥ ≥ ≥ ¿ƒ SCSI ID 4
≥ ≥ ≥ ⁄ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¬ƒ Port A active LED
≥ ≥ ≥ ≥ ¿ƒ SCSI ID 2
≥ ≥ ≥ ≥ ⁄ƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¬ƒ Ready LED
≥ ≥ ≥ ≥ ≥ ¿ƒ Self Test
≥ ≥ ≥ ≥ ≥ ⁄ƒƒƒƒƒƒƒƒƒƒƒƒ¬ƒ LED 6 (n/a)
≥ ≥ ≥ ≥ ≥ ≥ ¿ƒ Port B dictates Port A's ID
≥ ≥ ≥ ≥ ≥ ≥ ⁄ƒƒƒƒƒƒƒƒƒƒ¬ƒ Spinup Delay (10 secs * ID)
≥ ≥ ≥ ≥ ≥ ≥ ≥ ¿ƒ SCSI ID 1
ÕPWAÕÕÕÕÕÕ ≥ ≥ ≥ ≥ ≥ ≥ ≥ ⁄ƒƒƒƒƒƒƒƒ¬ƒ Fault LED
≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥ ¿ƒ Motor Start Option enable
≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥ ⁄ƒƒƒƒƒƒ¬ƒ Not assigned
J01B ≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥ ¿ƒ SCSI ID 8
( \ ⁄ƒƒƒƒƒø ≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥ ⁄ƒƒƒƒƒø /)
≥ŒŒ\ ≥4o o3≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥ J01A ≥4o o3≥ /ŒŒ≥
≥ŒŒ≥ ≥2o≥o1≥ o o o o o o o o o ≥2o≥o1≥ ≥ŒŒ≥
≥ŒŒ≥ ≥ 1 o o o o o o o o J10 ≥ ≥ŒŒ≥
≥ŒŒ≥ ¿ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¥ ≥ŒŒ≥
≥ŒŒ≥ ⁄o ⁄ƒƒƒƒƒGNDƒƒƒƒƒƒƒø ≥ ≥ŒŒ≥
≥ŒŒ≥ ⁄¡o o o o o o o o o o ≥ ≥ŒŒ≥
≥ŒŒ/ ≥ o o 1 o o o o o o o o J9 ≥ \ŒŒ≥
( / ≥ ¿¬Ÿ 8 4 2 1 8 4 2 1 ≥ ≥ \)
Port B ≥ ≥ ¿ƒƒƒ¬ƒŸ ¿ƒƒƒ¬ƒŸ ≥ ≥ Port A
≥ ≥ ≥ ≥ ≥ ≥
≥J3≥ ≥ ≥ ¿ƒ Port B dictates ≥
Port A ƒŸ ≥ ≥ ≥ Port A's ID ≥
enable ≥ ≥ ¿ƒƒƒƒƒ SCSI ID Port A ≥
Port B ƒƒƒƒŸ ¿ƒƒƒƒƒƒƒƒƒƒƒƒƒ SCSI ID Port B ≥
enable ≥
≥
’ÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕ∏ ≥
≥ Terminator Power Source Options J01A & J01B ƒƒƒƒƒŸ
√ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¡ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒø
≥ 2 & 4 ƒ Initiator supplies power over the SCSI Bus for terminators. ≥
≥ Drive supplies no terminator power. ≥
≥ 1 & 2 ƒ Drive supplies power for its own terminator resistor-paks ≥
≥ but not to SCSI Bus. This is the factory setting. ≥
≥ 1 & 3 ≥
≥ AND ƒ Drive supplies power for external terminator at end of the ≥
≥ 2 & 4 daisy chain and supplies own terminator power. ≥
¿ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒŸ
ST-43402ND does not come with any provision to use Termination resistors.
Therefore, SCSI bus needs to be externally terminated.
ST-43402ND
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) _______10 (burst)
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
Dual-Port
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
** Already low-level formatted at the factory with six spare sectors
per cylinder, one spare cylinders/unit, one system cylinder/unit, and
one diagnostic cylinder/unit.
Physical:
Height (inches/mm): 3.25/82.6
Width (inches/mm): 5.75/146.1
Depth (inches/mm): 8.0/203
Weight (lbs/kg): 7.8/3.6
Seagate reserves the right to change, without notice, product
offerings or specifications. (11/18/93)