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Text File  |  1993-05-01  |  4KB  |  57 lines
  1.  
  2.     ╔═══════════════════════════════════════════════════════════════════════╗
  3.     ║  Western Digital, Inc.                                  WD1003-MM1,2  ║
  4.     ╠═══════════════════════════════════════════════════════════════════════╣
  5.     ║                                                                       ║
  6.     ║                   J6       J3     J4      J5      J1(MM2)             ║
  7.     ║  J1: Floppy     ┌─────────────────────────────────────────┐╔═══       ║
  8.     ║  J3: HD1 Data   │....     1::::  1::::  1::::::  1::::::  │║          ║
  9.     ║  J4: HD0 Data   │                                         │║          ║
  10.     ║  J5: HD Control │              W1 ::::        .. W3       │║          ║
  11.     ║  J6: HD LED     │                             .. W4       │║          ║
  12.     ║                 │                             .. W5       │║          ║
  13.     ║                 │                                         │║          ║
  14.     ║                 │                                    W6 : │║          ║
  15.     ║                 └────────────────┐       ┌┐            ┌──┘║          ║
  16.     ║                                  └───────┘└────────────┘   ║          ║
  17.     ║  INTERFACE: ISA(AT)->ST506/412(MFM)                                   ║
  18.     ║  CONTROLS:  2 Floppy Drives (MM2 only; 360KB, 720KB, 1.2MB, 1.44MB)   ║
  19.     ║                                                                       ║
  20.     ║  W1: 1-2: Hard Drive Mode:  OFF: Latched Mode                         ║
  21.     ║                             *ON: Non-Latched Mode                     ║
  22.     ║                                                                       ║
  23.     ║      3-4: Error Correction Code (ECC), 4-byte:  *OFF: Enabled         ║
  24.     ║                                                   ON: (Reserved)      ║
  25.     ║                                                                       ║
  26.     ║      5-6: Caching:  *OFF: Caching Enabled                             ║
  27.     ║                       ON: Caching Disabled                            ║
  28.     ║                                                                       ║
  29.     ║      7-8: WD1003-WA2,WAH Compatibility for     OFF: Incompatible      ║
  30.     ║           Drives with 8 or more heads:          ON: Compatible        ║
  31.     ║                                                                       ║
  32.     ║  W3: Hard Drive I/O Address:  *OFF: Primary address                   ║
  33.     ║                                 ON: Secondary address                 ║
  34.     ║                                                                       ║
  35.     ║  W4: Floppy Drive I/O Address:  *OFF: Primary address                 ║
  36.     ║                                   ON: Secondary address               ║
  37.     ║                                                                       ║
  38.     ║  W5: Floppy Speed Support:   OFF: Single Speed Drives only            ║
  39.     ║                               ON: Dual Speed Drives only              ║
  40.     ║                                                                       ║
  41.     ║  W6: Bracket Grounding Option:  *OFF: Bracket not grounded            ║
  42.     ║                                   ON: Bracket grounded                ║
  43.     ║                                                                       ║
  44.     ╟────────────────────────┐ Additional Info ┌────────────────────────────╢
  45.     ║                                                                       ║
  46.     ║     W1:7-8 Addresses a disparity between the MMx series and the WA2/  ║
  47.     ║  WAH series concerning heads #8-15.  When replacing a WA2/WAH series  ║
  48.     ║  with an MMx series on drives with over 8 physical heads, this jumper ║
  49.     ║  is required to maintain compatibliity.                               ║
  50.     ║     There is no Low Level Formatting routine contained on this card.  ║
  51.     ║  A third-party LLF software program is required, ie; The IBM AT       ║
  52.     ║  Advanced Diagnostics, KOLOD Research Utilities, or Western Digital   ║
  53.     ║  AT Low Level Formatter (found on WD's BBS).                          ║
  54.     ║     Do NOT mix single-speed and Dual-speed Floppy drives on the same  ║
  55.     ║  controller.                                                          ║
  56.     ╚═══════════════════════════════════════════════════════════════════════╝
  57.