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- SEAGATE TECHNOLOGY, INC.
- Technical Support Bulletin Board
- 408/438-8771 [300-9600 HST, MNP 3/5, N-8-1]
- (C)opyright 1990
-
- ST-277N
-
-
- 5 G G 12
- ┌SCSI Cable /─4─3─2─1─\
- o o o o ┌...│.....................┐ │ O O O O │ Power
- o o o o ......................... └─────────┘
- ══════════════╤════╤═══╤════╤══╤════╤═══════════════════
- 1 2 4 P 1────┘ 1────┘ 1────┘ Terminating Resistors
- ──┬── └─ Parity Check enable
- └───── ID Selects, ID 0 (none) for single drive system
-
- ST - 277N
-
- UNFORMATTED CAPACITY (MB) ________________77
- FORMATTED CAPACITY (26/34* SECTORS) (MB) _64.9
- ACTUATOR TYPE ____________________________STEPPER
- TRACKS ___________________________________4,920/3,768*
- CYLINDERS ________________________________820/628*
- HEADS ____________________________________6
- DISCS ____________________________________3
- MEDIA TYPE _______________________________THIN FILM
- RECORDING METHOD _________________________RLL
- TRANSFER RATE (mbits/sec) ________________7.5/10*
- INTERFACE ________________________________SCSI
- TPI (TRACKS PER INCH) ____________________777
- BPI (BITS PER INCH) ______________________14,902/19,869*
- AVERAGE ACCESS (ms) ______________________40/28*
- SINGLE TRACK SEEK (ms) ___________________8
- MTBF (power-on hours) ____________________70,000
- POWER REQUIREMENTS: +12V START-UP (amps) _2.0/2.5*
- +12V TYPICAL (amps) __0.5
- +5V TYPICAL (amps) ___1.2/1.4*
- TYPICAL (watts) ______12/13*
- MAXIMUM (watts) ______30/37*
- BUFFERED STEP PULSE RATE (micro sec) _____3-200
- WRITE PRECOMP (cyl) ______________________N/A (821/629*)
- REDUCED WRITE CURRENT (cyl) ______________N/A (821/629*)
- LANDING ZONE (cyl)________________________AUTO PARK
- IBM AT DRIVE TYPE ________________________0 or NONE
-
- *ST277N-0/ST277N-1
-
- Seagate reserves the right to change, without notice, product
- offerings or specifications. (6/26/90)