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Text File  |  1993-05-01  |  4KB  |  57 lines
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  2.     ╔═══════════════════════════════════════════════════════════════════════╗
  3.     ║  DATA TECHNOLOGY CORP.                                   DTC-7280     ║
  4.     ╠═══════════════════════════════════════════════════════════════════════╣
  5.     ║                                                                       ║
  6.     ║       J5                         J4 J3 J2 J1                          ║
  7.     ║    ┌──────────────────────────────────────────────────────┐╔═══       ║
  8.     ║    │ ....                        1: 1: 1: 1:         W4   │║          ║
  9.     ║    │                             :: :: :: ::         ::   │║          ║
  10.     ║    │                             :: :: :: ::         W7   │║          ║
  11.     ║    │                        ..         :: ::              │║          ║
  12.     ║    │                        W6         :: ::  W5:::W2     │║          ║
  13.     ║    │                                             |        │║          ║
  14.     ║    │                                             W3       │║          ║
  15.     ║    └─────────────────────────────┐       ┌┐            ┌──┘║          ║
  16.     ║                                  └───────┘└────────────┘   ║          ║
  17.     ║   INTERFACE:  ISA(AT)->ST412(RLL)                                     ║
  18.     ║   CONTROLS:   2 Floppy drives (360K, 720K, 1.2M, 1.44M)               ║
  19.     ║               2 Hard Drives                                           ║
  20.     ║                                                                       ║
  21.     ║  W2,W3: Port Address Selection                                        ║
  22.     ║        *1F0-1F7, 3F0-3F7 (Primary Address): (no Jumpers)              ║
  23.     ║         170-177, 370-377 (Secondary Address: W2, W3 Jumpered          ║
  24.     ║                                                                       ║
  25.     ║  W4: Floppy Drive Transfer Rate               J1: Floppy              ║
  26.     ║      250KHz: W4 Jumpered                      J2: HD Control          ║
  27.     ║     *500KHz: (no Jumper)                      J3: HD0 Data            ║
  28.     ║                                               J4: HD1 Data            ║
  29.     ║  W5: Drive Select Mode Type                   J5: LED                 ║
  30.     ║     *Hardware Select Mode: W5 Jumpered                                ║
  31.     ║      Firmware Select Mode: (no Jumper)                                ║
  32.     ║                                                                       ║
  33.     ║  W6: Auto-Deselect Mode                                               ║
  34.     ║     *Auto-Deselect Mode Enabled: W6 Jumpered                          ║
  35.     ║      Auto-Deselect Mode Disabled: (no Jumper)                         ║
  36.     ║                                                                       ║
  37.     ║  W7: Floppy Precompensation Selection                                 ║
  38.     ║      Precompensation at 125nSec: W7 Jumpered                          ║
  39.     ║     *Precompensation Scaled/Freq: (no Jumper)...(125nS@500KHz,        ║
  40.     ║                                                  208nS@300KHz,        ║
  41.     ║  * Default Settings                              250nS@250KHz.)       ║
  42.     ║                                                                       ║
  43.     ╟────────────────────────┐ ADDITIONAL INFO ┌────────────────────────────╢
  44.     ║                                                                       ║
  45.     ║ The DTC7280 is a 1:1 interleave RLL controller.  It will run at zero  ║
  46.     ║ wait states up to a bus speed of 16MHz.   The 7280 does not have an   ║
  47.     ║ embedded Low Level Format routine, and requires The IBM AT Advanced   ║
  48.     ║ Diagnostics, or similar 3rd party program for Low Level Formatting.   ║
  49.     ║ The 7280 is OS/2 compatible.                                          ║
  50.     ║                                                                       ║
  51.     ║                                                                       ║
  52.     ║                                                                       ║
  53.     ║                                                                       ║
  54.     ║                                                                       ║
  55.     ║                                                                       ║
  56.     ╚═══════════════════════════════════════════════════════════════════════╝
  57.