
TANDY/RADIO SHACK

2500 SX/33

Processor                  80386SX
Processor Speed            33MHz
Chip Set                   Unidentified
Video Chip Set             Unidentified
Maximum Onboard Memory     10MB
Maximum Video Memory       1MB
Cache                      None
BIOS                       Unidentified
Dimensions                 391mm x 384mm
I/O Options                Floppy drive interface, IDE interface, parallel
                           port, PS/2 mouse port, serial port, VGA port,
                           riser slot, headphone connector, volume control
NPU Options                80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location   Purpose                    Location

  VGA port                   CN1      Headphone connector          CN6

  PS/2 mouse port            CN2      IDE interface                CN7

  Parallel port              CN3      Floppy drive interface       CN8

  Serial port                CN4      Riser slot                   SL1

  Volume control             CN5

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     On board video enabled                  J1            Pins 1 & 2
                                                              closed

      On board video disabled                 J1            Pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

          Size                    Bank 0                   Bank 1

           2MB                     2MB                      None

           4MB                     2MB                   (2) 1M x 9

          10MB                     2MB                   (2) 4M x 9

  Note: Bank 0 is factory installed and is not configurable. The location
  is unidentified.

                        VIDEO MEMORY CONFIGURATION

            Note: Board accepts 512KB/1MB of video memory. The size of
            the chips are unidentified. The number of banks is
            unidentified.

