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Text File  |  1990-07-24  |  3KB  |  58 lines
  1. SEAGATE TECHNOLOGY, INC.
  2. Technical Support Bulletin Board
  3. 408/438-8771  [300-9600 HST, MNP 3/5, N-8-1]
  4. (C)opyright  1990                               
  5.  
  6. ST-138R
  7.  
  8.                                                             /───┐
  9.                                                             │ O │12
  10.                                                             │ O │G
  11.                                                             │ O │G
  12.                                                             │ O │5
  13.       ┌Data Cable            ┌Controller Cable    1         \───┘
  14.       ═════════ ══          ════════════════════ ═══   ════════════
  15.               o o o o o o o o ┌────────────1
  16.               o o o o o o o o └──┬─────────┘
  17.               │ │ │ │ 4 3 2 1    └ Resistor Termination Pack
  18.               │ │ │ │ ───┬───
  19.               │ │ │ │    │
  20.               │ │ │ │    └──── Drive Selects
  21.               │ │ │ └───────── Factory Test
  22.               │ │ └─────────── Write Fault
  23.               │ └───────────── Not Used
  24.               └─────────────── Radial
  25.  
  26.                         ST - 138R
  27.  
  28.        UNFORMATTED CAPACITY (MB) ________________38.4
  29.        FORMATTED CAPACITY (26 SECTORS) (MB) _____32.7
  30.        ACTUATOR TYPE ____________________________STEPPER
  31.        TRACKS ___________________________________2,460
  32.        CYLINDERS ________________________________615
  33.        HEADS ____________________________________4
  34.        DISCS ____________________________________2
  35.        MEDIA TYPE _______________________________THIN FILM
  36.        RECORDING METHOD _________________________RLL
  37.        TRANSFER RATE (mbits/sec) ________________7.5
  38.        INTERFACE ________________________________ST412
  39.        TPI (TRACKS PER INCH) ____________________824
  40.        BPI (BITS PER INCH) ______________________22,430
  41.        AVERAGE ACCESS (ms)*______________________40/28
  42.        SINGLE TRACK SEEK (ms) ___________________8
  43.        MTBF (power-on hours) ____________________70,000
  44.        POWER REQUIREMENTS: +12V START-UP (amps) _2.0
  45.                            +12V TYPICAL (amps) __0.35
  46.                            +5V TYPICAL (amps) ___0.8
  47.                            TYPICAL (watts) ______8
  48.                            MAXIMUM (watts) ______28
  49.        BUFFERED STEP PULSE RATE (micro sec) _____3-200
  50.        WRITE PRECOMP (cyl) ______________________N/A (616)
  51.        REDUCED WRITE CURRENT (cyl) ______________N/A (616)
  52.        LANDING ZONE (cyl)________________________AUTO PARK
  53.        IBM AT DRIVE TYPE ________________________6**
  54.  
  55.        *ST138R-0/ST138R-1
  56.       **May require partitioning software
  57. Seagate reserves the right to change, without notice, product
  58. offerings or specifications. (6/26/90)