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All Seagate SCSI 3_30_94
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ST43401N.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-43401N/ND Elite 3 SCSI-2 Fast Wide
⁄ƒƒƒƒƒƒ Write Protect option enable
≥ ⁄ƒƒƒ Not used
≥ ≥ ⁄ƒ Master off/Slave on - Spindle Sync
≥ ≥ ≥ ⁄ƒƒƒƒƒƒƒƒƒ Terminator Power Source (see below)ƒƒø
≥ ≥ ≥J4A ≥ ⁄ Terminators (SIP on single, ≥
⁄≈ ⁄¥ ≈ø J01≥ ≥ DIP on differential) ≥
≥o oo o≥ J7 ⁄ƒƒ≥ƒƒø √ƒƒƒƒƒ¬ƒƒƒƒƒø J4B ≥
≥o oo o≥o o o o o o-a-o-o≥4o≥o3≥⁄œÕÕÕ1⁄ÕÕÕÕ1⁄ÕÕÕÕ1 Power o o o o ≥
¿ƒƒƒƒƒƒŸo o o o o o-b-o-o≥2o o1≥___________________ ⁄12ƒGƒGƒ5ƒø o o o o ≥
ÕPÕWÕAÕÕÿÕÿÕÿÕÿÕÿÕ≥Õ^Õ≥Õ≥œÕÕÕÕÕ( ◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊1)ÕÕµ 0 0 0 0 ΔÕÿÕÿÕÿÕÿÕÕ ≥
8 4 2 1 ≥ ≥ ≥ ≥ ≥ \ƒƒƒƒƒƒƒƒƒƒƒƒ≥ƒƒƒƒ/ \ƒƒƒƒƒƒƒƒƒ/ ≥ ≥ ≥ ≥ ≥
ƒƒƒƒ¬ƒƒ ≥ ≥ ≥ ≥ SCSI Cable Connector ≥ ≥ ≥ ≥ ≥
≥ ≥ ≥ ≥ ≥ ≥ 68-pin ≥ ≥ ≥ ≥ ≥
SCSI ID ƒƒƒƒŸ ≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥ ≥
Motor ƒƒƒƒƒƒƒƒƒŸ ≥ ≥ ≥ ≥ Spinup Delay (10 secs * ID) ƒŸ ≥ ≥ ≥ ≥
⁄Ground ƒƒƒƒƒƒƒƒƒƒŸ ≥ ≥ Motor Start option enable ƒƒƒŸ ≥ ≥ ≥
≥Key (no pin) ƒƒƒƒƒƒŸ ≥ ≥ Not used ƒƒƒƒƒŸ ≥ ≥
≥Spindle Sync (SSCLK-)Ÿ ≥ Sweep Cycle enable ƒƒƒƒƒƒƒŸ ≥
√Spindle Sync (SSCLK+)ƒƒŸ ≥
¿ƒ port a and b (horizontal) ≥
≥
’ÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕ∏ ≥
≥ Terminator Power Source Options √ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒŸ
√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. Terminator resistor-paks must be removed. ≥
≥ This option is recommended only for last drive on daisy ≥
≥ chain. ≥
¿ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒŸ
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) _______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
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. (11/12/93)