home *** CD-ROM | disk | FTP | other *** search
- 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)