UNIDENTIFIED

386SX-25/33 (ALI M1217)

Processor              80386SX
Processor Speed        25/33MHz
Chip Set               ALI
Video Chip Set         None
Maximum Onboard Memory 16MB
Maximum Video Memory   None
Cache                  None
BIOS                   AMI/Award
Dimensions             220mm x 170mm
I/O Options            None
NPU Options            80387SX

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                    Location

  External battery           J4       Turbo switch/LED             J8

  Reset switch               J6       Power LED & keylock          J9

  Speaker                    J7

                        USER CONFIGURABLE SETTINGS

                 Function                     Label          Position

      Address delay enabled                     J5           Pins 1 & 2
                                                              closed

      Address delay disabled                    J5             Open

      NPU synchronous with CPU                 JP2           Pins 1 & 2
                                                              closed

      NPU asynchronous with CPU                JP2           Pins 2 & 3
                                                              closed

      CMOS chip type US1287                    JP3            Closed

      CMOS chip type 146818                    JP3             Open

      Monitor type select color                JP4           Pins 2 & 3
                                                              closed

      Monitor type select monochrome           JP4           Pins 1 & 2
                                                              closed

      Parity enabled                           JP6            Closed

      Parity disabled                          JP6             Open

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

     512KB        (2) 256K x 9       None

      1MB         (2) 256K x 9   (2) 256K x 9

      2MB         (2) 1M x 9         None

      4MB         (2) 1M x 9      (2) 1M x 9

      8MB         (2) 4M x 9         None

      16MB        (2) 4M x 9      (2) 4M x 9

                     CPU SPEED SELECTION

        Speed                JP1                  JP5

        25MHz          Pins 1 & 2 closed   Pins 1 & 2 closed

        33MHz          Pins 2 & 3 closed   Pins 2 & 3 closed