AMERICAN MEGATRENDS, INC.

MARK V BABY SCREAMER

Processor               80386DX
Processor Speed         25/33/40MHz
Chip Set                AMI
Max. Onboard DRAM       32MB
Cache                   64/256KB
BIOS                    AMI
Dimensions              330mm x 218mm
I/O Options             Floppy drive interface, IDE interface, parallel
                        port, serial ports (2)
NPU Options             80387/3167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  IDE interface LED           J1       Turbo switch                J38

  External battery            J2       Serial port 2               P1

  Power LED & keylock         J10      Serial port 1               P4

  Speaker                     J11      Parallel port               P5

  Reset switch                J12      Floppy interface            P6

  Diagnostic LED              J13      IDE interface               P7

  Turbo LED                   J15

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   ROM access select 0 wait               J14               Closed
      state

      ROM access select 1 wait               J14                Open
      state

  »   BIOS type select 27256                 J18             pins 1 & 2
                                                               closed

      BIOS type select 27512                 J18             pins 2 & 3
                                                               closed

  »   Serial port COM2 select IRQ3           J21             pins 2 & 3
                                                               closed

      Serial port COM2 select IRQ4           J21             pins 1 & 2
                                                               closed

  »   Serial port COM1 select IRQ4           J22             pins 2 & 3
                                                               closed

      Serial port COM1 select IRQ3           J22             pins 1 & 2
                                                               closed

  »   Parallel port IRQ select               J23             pins 2 & 3
      IRQ7                                                     closed

      Parallel port IRQ select               J23             pins 1 & 2
      IRQ5                                                     closed

  »   Segment C800 shadow enabled            J36             pins 2 & 3
                                                               closed

      Segment C800 shadow disabled           J36             pins 1 & 2
                                                               closed

  »   Factory configured - do not           SW1/1               Off
      alter

  »   Monitor type select                   SW1/2               Off
      monochrome

      Monitor type select color             SW1/2                On

  »   Video shadow enabled                  SW1/3                On

      Video shadow disabled                 SW1/3               Off

  »   ROM BIOS shadow enabled               SW1/4                On

      ROM BIOS shadow disabled              SW1/4               Off

            DRAM CONFIGURATION

   Size        Bank 1          Bank 2

    1MB     (4) 256K x 9        NONE

    2MB     (4) 256K x 9     (4) 256K x 9

    4MB      (4) 1M x 9         NONE

    8MB      (4) 1M x 9      (4) 1M x 9

   16MB      (4) 4M x 9         NONE

   32MB      (4) 4M x 9      (4) 4M x 9

              DRAM JUMPER/SWITCH CONFIGURATION

  Size      J4       J5     SW1/5    SW1/6   SW1/7    SW1/8

   1MB    2 & 3    2 & 3     On       On       On       On

   2MB    2 & 3    2 & 3     On       Off      On       On

   4MB    2 & 3    1 & 2     On       On       On      Off

   8MB    2 & 3    1 & 2     On       Off      On      Off

  16MB    1 & 2    1 & 2     On       On      Off      Off

  32MB    1 & 2    1 & 2     On       Off     Off      Off

  Note : Pins designated should be in the closed position.

                      CACHE CONFIGURATION

      Size          Bank 0         TAG (U32)      TAG (U38)

      64KB       (10) 16K x 4     (1) 16K x 4        NONE

     256KB       (10) 64K x 4        NONE        (1) 64K x 4

                        CACHE JUMPER CONFIGURATION

      Size               J19                J20                J32

      64KB            pins 2 & 3         pins 2 & 3            Open
                       closed              closed

      256KB           pins 1 & 2         pins 1 & 2           Closed
                       closed              closed

                   CPU SPEED CONFIGURATION

        Speed                J35                  J37

        25MHz          pins 2 & 3 closed          Open

        33MHz          pins 2 & 3 closed          Open

        40MHz          pins 1 & 2 closed         Closed