
AST RESEARCH, INC.

RAMPAGE AT (202079-001)

Card Type              Memory card
Chip Set               Unidentified
Maximum Onboard Memory 2MB RAM (Type unidentified)
I/O Options            None
Data Bus               16-bit ISA

[Image]

                        USER CONFIGURABLE SETTINGS

                Function                    Label          Position

     Dual page mode enabled                SW1/9             On

      Dual page mode disabled               SW1/9             Off

     Factory configured - do not alter    SW1/10             N/A

     Factory configured - do not alter     SW2/8        Unidentified
      (memory priority check)

                 NON-EXPANDED MEMORY SWITCH CONFIGURATION

       Size            SW1/1         SW1/2         SW1/3         SW1/4

        128KB           On           On            On            On

         256KB           On           On            On            Off

         384KB           On           On            Off           On

         512KB           On           On            Off           Off

         640KB           On           Off           On            On

         768KB           On           Off           On            Off

         896KB           On           Off           Off           On

         1024KB          On           Off           Off           Off

         1152KB         Off           On            On            On

         1280KB         Off           On            On            Off

         1408KB         Off           On            Off           On

         1536KB         Off           On            Off           Off

         1664KB         Off           Off           On            On

         1792KB         Off           Off           On            Off

         1920KB         Off           Off           Off           On

         2048KB         Off           Off           Off           Off

                     STARTING MEMORY ADDRESS SELECTION

    Address      SW2/1    SW2/2   SW2/3    SW2/4   SW2/5   SW2/6   SW2/7

        0KB       On       On      On       On      On      On       On

       128KB      On       On      On       On      On      On      Off

       256KB      On       On      On       On      On      Off      On

       384KB      On       On      On       On      On      Off     Off

      512KB      On       On      On       On     Off      On       On

        12MB      Off     Off      On       On      On      On       On

        13MB      Off     Off      On      Off      On      On       On

        14MB      Off     Off      Off      On      On      On       On

        15MB      Off     Off      Off     Off      On      On       On

         All      Off     Off      Off     Off     Off      Off     Off
      Rampage

  Note: The Rampage AT may be set for any memory address from 0K to
  15896K, Each switch represents a quantity of memory. SW2/1 is the Most
  Significant Bit and SW2/7 is the Least Significant Bit. The switches
  have the following values: SW2/1=8192K, SW2/2=4096K, SW2/3=2048K,
  SW2/4=1024K, SW2/5=512K, SW2/6=256K, and SW2/7=128K. Turn off the
  switches and add their values to obtain the correct starting memory
  address. (Off=1, On=0)

                        BASE I/O ADDRESS SELECTION

     Setting          SW1/5         SW1/6         SW1/7         SW1/8

         208h           On            On            On            On

        218h           On            On            On           Off

         228h           On            On           Off            On

         238h           On            On           Off           Off

         248h           On           Off            On            On

         258h           On           Off            On           Off

         268h           On           Off           Off            On

         278h           On           Off           Off           Off

         288h          Off            On            On            On

         298h          Off            On            On           Off

         2A8h          Off            On           Off            On

         2B8h          Off            On           Off           Off

         2C8h          Off           Off            On            On

         2D8h          Off           Off            On           Off

         2E8h          Off           Off           Off            On

         2F8h          Off           Off           Off           Off

                       MISCELLANEOUS TECHNICAL NOTES

            Note: The location and configuration of the memory is
            unidentified. The IBM model 339 AT does not support this
            board in the #20279-301 -A, -B, -C, or the #20279-302 - A
            revisions.

