
DTK COMPUTER, INC.

AT-RAMBANK

Card Type          Memory
Chipset/Controller N/A
I/O Options        N/A
Maximum DRAM       2048KB

[Image]

                         DRAM CONFIGURATION

     Size        Bank 0        Bank 1        Bank 2        Bank 3

    512KB      (18) 41256       None          None          None

     1MB       (18) 41256    (18) 41256       None          None

    1.5MB      (18) 41256    (18) 41256    (18) 41256       None

     2MB       (18) 41256    (18) 41256    (18) 41256    (18) 41256

                         STARTING MEMORY ADDRESS SELECTION

  Memory    Address  SW2/1   SW2/2   SW2/3   SW2/4   SW2/5   SW2/6   SW2/7   SW1/8

  512KB     080000h   Off     Off     On      Off    Off     Off     Off     Off

   1MB      100000h   Off     Off     Off     On     Off     Off     Off      On

  1.25MB    120000h   On      Off     Off     On     Off     Off     Off      On

  1.25MB    140000h   Off     On      Off     On     Off     Off     Off      On

  1.375MB   160000h   On      On      Off     On     Off     Off     Off      On

  1.5MB     180000h   Off     Off     On      On     Off     Off     Off      On

  1.625MB   1A0000h   On      Off     On      On     Off     Off     Off      On

  1.75MB    1C0000h   Off     On      On      On     Off     Off     Off      On

  1.875MB   1E0000h   On      On      On      On     Off     Off     Off      On

   2MB      200000h   Off     Off     Off     Off     On     Off     Off      On

  2.125MB   220000h   On      Off     Off     Off     On     Off     Off      On

  2.25MB    240000h   Off     On      Off     Off     On     Off     Off      On

  2.375MB   260000h   On      On      Off     Off     On     Off     Off      On

  2.5MB     280000h   Off     Off     On      Off     On     Off     Off      On

  2.625MB   2A0000h   On      Off     On      Off     On     Off     Off      On

  2.75MB    2C0000h   Off     On      On      Off     On     Off     Off      On

  2.875MB   2E0000h   On      On      On      Off     On     Off     Off      On

   3MB      300000h   Off     Off     Off     On      On     Off     Off      On

  3.125MB   320000h   On      Off     Off     On      On     Off     Off      On

  3.25MB    340000h   Off     On      Off     On      On     Off     Off      On

  3.375MB   360000h   On      On      Off     On      On     Off     Off      On

  3.5MB     380000h   Off     Off     On      On      On     Off     Off      On

  3.625MB   3A0000h   On      Off     On      On      On     Off     Off      On

  3.75MB    3C0000h   Off     On      On      On      On     Off     Off      On

  3.875MB   3E0000h   On      On      On      On      On     Off     Off      On

   4MB      400000h   Off     Off     Off     Off    Off      On     Off      On

  4.125MB   420000h   On      Off     Off     Off    Off      On     Off      On

  4.25MB    440000h   Off     On      On      On      On      On     Off      On

  4.375MB   460000h   On      On      Off     Off    Off      On     Off      On

  4.5MB     480000h   Off     Off     On      Off    Off      On     Off      On

  4.625MB   4A0000h   On      Off     On      Off    Off      On     Off      On

  4.75MB    4C0000h   Off     On      On      Off    Off      On     Off      On

  4.875MB   4E0000h   On      On      On      Off    Off      On     Off      On

  5.0MB     500000h   Off     Off     Off     On     Off      On     Off      On

  5.125MB   520000h   On      Off     Off     On     Off      On     Off      On

  5.25MB    540000h   Off     On      Off     On     Off      On     Off      On

  5.375MB   560000h   On      On      Off     On     Off      On     Off      On

  5.5MB     580000h   Off     Off     On      On     Off      On     Off      On

  5.625MB   5A0000h   On      Off     On      On     Off      On     Off      On

  5.75MB    5C0000h   Off     On      On      On     Off      On     Off      On

  5.875MB   5E0000h   On      On      On      On     Off      On     Off      On

                         STARTING MEMORY ADDRESS SELECTION

  Memory     Address  SW2/1   SW2/2   SW2/3   SW2/4   SW2/5   SW2/6   SW2/7   SW1/8

    6MB      600000h   Off     Off     Off     Off     On      On     Off      On

  6.125MB    620000h   On      Off     Off     Off     On      On     Off      On

  6.25MB     640000h   Off     On      Off     Off     On      On     Off      On

  6.375MB    660000h   On      On      Off     Off     On      On     Off      On

   6.5MB     680000h   Off     Off     On      Off     On      On     Off      On

  6.625MB    6A0000h   On      Off     On      Off     On      On     Off      On

  6.75MB     6C0000h   Off     On      On      Off     On      On     Off      On

  6.875MB    6E0000h   On      On      On      Off     On      On     Off      On

    7MB      700000h   Off     Off     Off     On      On      On     Off      On

  7.125MB    720000h   On      Off     Off     On      On      On     Off      On

  7.25MB     740000h   Off     On      Off     On      On      On     Off      On

  7.375MB    760000h   On      On      Off     On      On      On     Off      On

   7.5MB     780000h   Off     Off     On      On      On      On     Off      On

  7.625MB    7A0000h   On      Off     On      On      On      On     Off      On

  7.75MB     7C0000h   Off     On      On      On      On      On     Off      On

  7.87MB     7E0000h   On      On      On      On      On      On     Off      On

    8MB      800000h   Off     Off     Off     Off    Off     Off      On      On

  8.125MB    820000h   On      Off     Off     Off    Off     Off      On      On

  8.25MB     840000h   Off     On      Off     Off    Off     Off      On      On

  8.375MB    860000h   On      On      Off     Off    Off     Off      On      On

   8.5MB     880000h   Off     Off     On      Off    Off     Off      On      On

  8.625MB    8A0000h   On      Off     On      Off    Off     Off      On      On

  8.75MB     8C0000h   Off     On      On      Off    Off     Off      On      On

  8.87MB     8E0000h   On      On      On      Off    Off     Off      On      On

    9MB      900000h   Off     Off     Off     On     Off     Off      On      On

  9.125MB    920000h   On      Off     Off     On     Off     Off      On      On

  9.25MB     940000h   Off     On      Off     On     Off     Off      On      On

  9.375MB    960000h   On      On      Off     On     Off     Off      On      On

   9.5MB     980000h   Off     Off     On      On     Off     Off      On      On

  9.625MB    9A0000h   On      Off     On      On     Off     Off      On      On

  9.75MB     9C0000h   Off     On      On      On     Off     Off      On      On

  9.87MB     9E0000h   On      On      On      On     Off     Off      On      On

   10MB      A00000h   Off     Off     Off     Off     On     Off      On      On

  10.125MB   A20000h   On      Off     Off     Off     On     Off      On      On

  10.25MB    A40000h   Off     On      Off     Off     On     Off      On      On

  10.375MB   A60000h   On      On      Off     Off     On     Off      On      On

  10.5MB     A80000h   Off     Off     On      Off     On     Off      On      On

  10.625MB   AA0000h   On      Off     On      Off     On     Off      On      On

  10.75MB    AC0000h   Off     On      On      Off     On     Off      On      On

  10.87MB    AE0000h   On      On      On      Off     On     Off      On      On

                         STARTING MEMORY ADDRESS SELECTION

  Memory     Address  SW2/1   SW2/2   SW2/3   SW2/4   SW2/5   SW2/6   SW2/7   SW1/8

   11MB      B00000h   Off     Off     Off     On      On     Off      On      On

  11.125MB   B20000h   On      Off     Off     On      On     Off      On      On

  11.25MB    B40000h   Off     On      Off     On      On     Off      On      On

  11.375MB   B60000h   On      On      Off     On      On     Off      On      On

  11.5MB     B80000h   Off     Off     On      On      On     Off      On      On

  11.625MB   BA0000h   On      Off     On      On      On     Off      On      On

  11.75MB    BC0000h   Off     On      On      On      On     Off      On      On

  11.87MB    BE0000h   On      On      On      On      On     Off      On      On

   12MB      C00000h   Off     Off     Off     Off    Off      On      On      On

  12.125MB   C20000h   On      Off     Off     Off    Off      On      On      On

  12.25MB    C40000h   Off     On      Off     Off    Off      On      On      On

  12.375MB   C60000h   On      On      Off     Off    Off      On      On      On

  12.5MB     C80000h   Off     Off     On      Off    Off      On      On      On

  12.625MB   CA0000h   On      Off     On      Off    Off      On      On      On

  12.75MB    CC0000h   Off     On      On      Off    Off      On      On      On

  12.87MB    CE0000h   On      On      On      Off    Off      On      On      On

   13MB      C00000h   Off     Off     Off     On     Off      On      On      On

  13.125MB   D20000h   On      Off     Off     On     Off      On      On      On

  13.25MB    D40000h   Off     On      Off     On     Off      On      On      On

  13.375MB   D60000h   On      On      Off     On     Off      On      On      On

  13.5MB     D80000h   Off     Off     On      On     Off      On      On      On

  13.625MB   DA0000h   On      Off     On      On     Off      On      On      On

  13.75MB    DC0000h   Off     On      On      On     Off      On      On      On

  13.87MB    DE0000h   On      On      On      On     Off      On      On      On

   14MB      C00000h   Off     Off     Off     Off     On      On      On      On

  14.125MB   E20000h   On      Off     Off     Off     On      On      On      On

  14.25MB    E40000h   Off     On      Off     Off     On      On      On      On

  14.375MB   E60000h   On      On      Off     Off     On      On      On      On

  14.5MB     E80000h   Off     Off     On      Off     On      On      On      On

  14.625MB   EA0000h   On      Off     On      Off     On      On      On      On

  14.75MB    EC0000h   Off     On      On      Off     On      On      On      On

  14.87MB    EE0000h   On      On      On      Off     On      On      On      On

   15MB      F00000h   Off     Off     Off     On      On      On      On      On

  15.125MB   F20000h   On      Off     Off     On      On      On      On      On

  15.25MB    F40000h   Off     On      Off     On      On      On      On      On

  15.375MB   F60000h   On      On      Off     On      On      On      On      On

  15.5MB     F80000h   Off     Off     On      On      On      On      On      On

  15.625MB   FA0000h   On      Off     On      On      On      On      On      On

  15.75MB    FC0000h   Off     On      On      On      On      On      On      On

  15.87MB    FE0000h   On      On      On      On      On      On      On      On

                      I/O PORT ADDRESS CONFIGURATION

      Address          SW1/1        SW1/2         SW1/3         SW1/4

     258h - 259h       Off           On           Off           Off

      268h - 269h       Off          Off           Off           Off

      208h - 209h       On            On            On            On

      218h - 219h       On           Off            On            On

      228h - 229h       On           Off            On            On

      238h - 239h       Off          Off            On            On

      248h - 249h       On            On           Off            On

      278h - 279h       Off          Off           Off            On

      288h - 289h       On            On            On           Off

      298h - 299h       Off           On            On           Off

      2A8h - 2A9h       On           Off            On           Off

      2B8h - 2B9h       Off          Off            On           Off

      2C8h - 2C9h       On            On           Off           Off

      2D8h - 2D9h       Off           On           Off           Off

      2E8h - 2E9h       On           Off           Off           Off

      2F8h - 2F9h       Off          Off           Off           Off

                         MEMORY CARD CONFIGURATION

     Expanded        Conventional/Extended memory    SW1/5        SW1/6

        0KB                      2MB                   On          On

        0KB                     1.5MB                  On          Off

        0KB                      1MB                  Off          On

        0KB                     512KB                 Off          Off

        2MB                      0KB                  Off          Off

       1.5MB                     0KB                  Off          Off

        1MB                      0KB                  Off          Off

       512KB                     0KB                  Off          Off

                           PARITY CONFIGURATION

                 Parity                                SW1/8

                  Enabled                               On

                   Disabled                             Off

  FACTORY CONFIGURED - DO NOT ALTER

      Switch            Position

       SW1/7               N/A

