AMERICAN MEGATRENDS, INC.

486 EISA ENTERPRISE

Processor               80486DX
Processor Speed         25/33MHz
Chip Set                AMI
Max. Onboard DRAM       32MB
Cache                   64/256KB (on external cache module)
BIOS                    AMI
Dimensions              355mm x 305mm
I/O Options             32-bit external memory card slot, cache module
                        connectors, floppy drive interface, PS/2 mouse
                        port
NPU Options             4167

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  External battery            J2        Reset switch              J15

  PS/2 mouse port             J3        Turbo switch              J16

  Floppy interface            J5        Turbo LED                 J17

  Cache module                J6        32-bit external           J19
  connectors                            memory card

  Speaker                     J11       Diagnostic LED            J20

  Power LED & keylock         J12

                        USER CONFIGURABLE SETTINGS

                Function                   Jumper/Switch       Position

  »   Factory configured - do not               J1               Open
      alter

  »   Factory configured - do not               J4               N/A
      alter

  »   Floppy drive type select most             J8            pins 1 & 2
      drives (normal)                                           closed

      Floppy drive type select PS/2             J8            pins 2 & 3
      compatible(reversed DENSEL)                               closed

  »   Factory configured - do not               J21              N/A
      alter

  »   Factory configured - do not              SW1/1             Off
      alter

  »   Monitor type select monochrome           SW1/2             Off

      Monitor type select color                SW1/2              On

           DRAM CONFIGURATION

     Size        Bank 1        Bank 2

     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 CONFIGURATION

     Size            J7

      4MB           Open

      8MB           Open

     16MB          Closed

     32MB          Closed