IBM CORPORATION

PS/2 MODEL 80 (8580-111,121,311,321)


Processor               80386DX
Processor Speed         16/20/25MHz
Chip Set                None
Max. Onboard DRAM       8MB
Cache                   None
BIOS                    IBM
Dimensions              355mm x 254mm
I/O Options             Serial port, parallel port, pointing device
                        connector, display connector, video adapter slot,
                        floppy drive interface
NPU Options             80387


[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Power supply                  J1      Serial port                J6

  Floppy drive interface        J2      Parallel port              J7

  Battery/speaker               J3      Pointing device            J8

  Video adapter slot            J4      Keyboard                   J9

  Display                       J5

                            DRAM CONFIGURATION

          Size                    Bank 0                   Bank 1

           1MB                  (1) 1M x 9                  NONE

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

           4MB                  (1) 4M x 9                  NONE

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

  Note:Onboard memory does not have to be full in order to use memory
  expansion cards.

  Banks 0 & 1 are interchangeable.