UNIDENTIFIED

386DX NON-CACHE MAINBOARD (PGA)

Processor              80386DX
Processor Speed        25/33/40MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 32MB
Maximum Video Memory   None
Cache                  None
BIOS                   AMI
Dimensions             254mm x 218mm
I/O Options            None
NPU Options            80387DX/3167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery            JP2       Reset switch               JP9

  Speaker                     JP7       Turbo switch              JP10

  Power LED & keylock         JP8       Turbo LED                 JP11

                        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.