
UNIDENTIFIED

386DX NON-CACHE MAINBOARD (PQFP)

Processor              80386DX
Processor Speed        25/33/40MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 64MB (32MB on external memory cards)
Maximum Video Memory   None
Cache                  None
BIOS                   AMI
Dimensions             254mm x 218mm
I/O Options            External memory cards (2)
NPU Options            80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  External battery           JP2       Turbo switch               JP10

  Speaker                    JP7       Turbo LED                  JP11

  Power LED & keylock        JP8       External memory card     SL1 & SL2

  Reset switch               JP9

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP3           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP3           Pins 2 & 3
                                                              closed

      Monitor type select color               JP6             Closed

      Monitor type select monochrome          JP6              Open

                            DRAM CONFIGURATION

          Size                   Bank 0                   Bank 1

          1MB                 (4) 256K x 9                 None

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

          4MB                  (4) 1M x 9                  None

          5MB                 (4) 256K x 9              (4) 1M x 9

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

          16MB                 (4) 4M x 9                  None

          20MB                 (4) 1M x 9               (4) 4M x 9

          20MB                 (4) 4M x 9               (4) 1M x 9

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

            Note: The location of banks 0 & 1 are unidentified. To
            increase memory beyond 32MB, install external memory card(s).

