NCR CORPORATION

MODEL 3230

Processor    80486SX/486Overdrive/80487SX/80486DX/486Overdrive/80486DX2
Processor    25/33/50(internal)/66(internal)MHz
Speed
Chip Set     Unidentified
Video Chip   Unidentified
Set
Maximum      32MB
Onboard
Memory
Maximum      1MB
Video Memory
Cache        Unidentified
BIOS         Unidentified
Dimensions   254mm x 218mm
I/O Options  Floppy drive interface, IDE interface, parallel port, PS/2
             mouse port, serial ports (2), VGA port, riser slot
NPU Options  None

[Image]

                                CONNECTIONS

  Purpose                  Location   Purpose                    Location

  Serial port 2              J2       IDE interface                J11

  Serial port 1              J3       Front panel LEDs             J15

  Parallel port              J4       Cache memory connector       P1

  VGA port                   J5       Floppy drive interface       P9

  PS/2 mouse port            J6       Riser slot                   SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Jumper not used                         J16              N/A

      Password normal operation               RK1              Open

      Password clear                          RK1             Closed

      On board video enabled                 SW1/1              On

      On board video disabled                SW1/1             Off

      Monitor type select color              SW1/2              On

      Monitor type select monochrome         SW1/2             Off

           DRAM CONFIGURATION

     Size        Bank 0        Bank 1

     4MB        (4) 1M x 9      None

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

     16MB       (4) 4M x 9      None

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

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

                        VIDEO MEMORY CONFIGURATION

  Note: Board accepts 512KB/1MB video memory. The chip sizes and bank
  location are unidentified.

                   CPU TYPE SELECTION

       Type              SW1/3              SW1/4

      80486SX              On                Off

  486SX Overdrive         Off                Off

      80487SX             Off                Off

      80486DX             Off                 On

  486DX Overdrive          On                Off

     80486DX2             Off                 On