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ST41520N.TXT
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1992-12-14
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6KB
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125 lines
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 │
├──────────────────────────────────┼─────────────────────────────────┤
│ Germany +49 89 140-9331 │ Singapore +65 227-2217 │
└──────────────────────────────────┴─────────────────────────────────┘
(C)opyright 1991
ST-41520N (97501-16G) Elite-1 FH SCSI-2
╓ ─ ─ ─ ─ ─ ╖ ┌───────── Parity DISable
║ I/O Board ║ │ ┌─────── Spinup Delay (10 sec)
╙ ─ ─ ─ ─ ─ ╜ │ │ ┌───── Manual Reset
│ │ │ ┌─── Active LED (red)
┌── Spindle Sync │ │ │ │ ┌─ Heartbeat LED (green)
A│ SCSI ID ──┐ │ │ │ │ │
1o-o┐ ╒═════════════════════════╕ │ o o o
┤p n├ │::::::::::::::::::::::::1│ ──┴── o o o
│o o│ ╘═════════════════════════╛ o o o o
└o-o┘ ┌──────────1 ┌──────────1 o o o o
o-o5 └───│──────┘ └───│──────┘ 4 2 1 │
│B └ T-RES └ T-RES only on Motor Start ──┘
│ 3o o4 Differential Enable
└── Select 2o│o1
Plug │
│ DC Power Connector J15
╒════════════════════════╧═════════╕ 0─0─0─0─0─0─0─0─0─1
│ Terminator Power Source Options │
├──────────────────────────────────┴───────────────────────────────────┐
│ 2 & 3 ─ Host 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. │
│ 4 - Not used. │
└──────────────────────────────────────────────────────────────────────┘
╓ ─ ─ ─ ─ ─ ─ ╖
║ Servo Board ║
╙ ─ ─ ─ ─ ─ ─ ╜
Fault LED (red) ──────┐
Ready LED (green) ───┐ │ DIP SWITCHES
Unit Selected (amber) ┐ │ │ S3 S2 S1
│ │ │ ┌────────┐┌────────┐┌────────┐On
│12345678││12345678││12345678│
└────────┘└────────┘└────────┘Off
└────────┬──────┘│ ││││└─┬┘
│ │ ││││ │
Sector Switches (all OFF) ──┘ │ ││││ │
Runt Sector ─8────────┘ ││││ │
Sweep Cycle Enable ─1───────────┘│││ │
Enable Sweep only on seeks ─2────────────┘││ │
Manufacturing Test (keep OFF) ─3─────────────┘│ │
Write Enable (default ON) ─4──────────────┘ │
Unit Select Switches (all OFF) ─6─8───────────────┘
ST-41520N
Elite-1 FH
UNFORMATTED CAPACITY _____________________1,600,930,800
FORMATTED CAPACITY (xx SECTORS) __________1,370,545,152 **
AVERAGE SECTORS PER TRACK (with spares)___74.945
ACTUATOR TYPE ____________________________STRAIGHT ARM
TRACKS/USER ______________________________35,717/35,666
CYLINDERS/USER ___________________________2,101/2,098
HEADS ____________________________________17
DISCS ____________________________________10
MEDIA TYPE _______________________________THIN FILM
HEAD TYPE ________________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (2,7)
INTERNAL TRANSFER RATE (mbits/sec) _______26 to 36
EXTERNAL TRANSFER RATE (mbytes/sec) ______5
SPINDLE SPEED (RPM) ______________________5,400
AVERAGE LATENCY (mSEC) ___________________5.56
COMMAND OVERHEAD (msec) __________________<0.5
BUFFER ___________________________________256 Kbyte
Read Look-Ahead, Adaptive, Multi-Segmented
Cache
INTERFACE ________________________________SCSI-2
BYTES PER TRACK __________________________36,400 to 50,400
SECTORS PER DRIVE ________________________2,768,896
BYTES PER CYLINDER _______________________618,800 to 856,800
TPI (TRACKS PER INCH) ____________________
BPI (BITS PER INCH) ______________________
AREAL DENSITY ____________________________
AVERAGE ACCESS (ms) ______________________11.5
SINGLE TRACK SEEK (ms) ___________________1.7
MAX FULL SEEK (ms) _______________________22.5
MTBF (power-on hours) Class A Room _______250,000
MTBF (power-on hours) Office _____________150,000
POWER DISSIPATION (watts/BTU) ____________
POWER REQUIREMENTS: Single-ended/Differential
+12V START-UP (amps) _2.2/3.2
+12V TYPICAL (amps) __1.8/1.8
+5V START-UP (amps) __2.1/2.9
+5V TYPICAL (amps) ___2.0/2.3
TYPICAL (watts) ______31.6/33.1
MAXIMUM (watts) ______36.9/39.4
LANDING ZONE (cyl) _______________________AUTO PARK
USER MANUAL PART NUMBER __________________83327300
REFERENCE MANUAL PART NUMBER _____________86627310
IBM AT DRIVE TYPE ________________________0 or NONE
OTHER ____________________________________DUAL PORT
ZBR = Zone Bit Recording = Variable sectors per track
** 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): 9.9/252.5
Weight (lbs/kg): 9/4.1
Seagate reserves the right to change, without notice, product
offerings or specifications. (10/28/91)