IBM CORPORATION

PS/2 MODEL 55SX

Processor               80386SX
Processor Speed         16MHz
Chip Set                None
Max. Onboard DRAM       4MB
Cache                   None
BIOS                    IBM
Dimensions              330mm x 218mm
I/O Options             Serial port, parallel port, pointing device
                        connector, video port, floppy drive interface,
                        proprietary bus expansion slot
NPU Options             80387SX

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Video port                 J1       Keyboard                     J5

  Serial port                J2       Floppy drive interface       J11

  Parallel port              J3       CMOS RAM extension           J14
                                      module

  Pointing device            J4       MCA bus expansion slot       J15

                            DRAM CONFIGURATION

          Size                   Bank 0                   Bank 1

          1MB                 (1) 256K x 36                NONE

          2MB                 (1) 256K x 36            (1) 256K x 36

          4MB                  (1) 1M x 36                 NONE

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