IBM PS/2 Model 55SX

Ps2 55sx 1 full.jpeg
Ps2 55sx 2 full.jpeg
Ps2 55sx 3 full.jpeg

Based on the Intel 80386 SX processor, 16MHz.

Jumper Settings

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

 

CONNECTIONS

Purpose

Location

Purpose

Location

Video port

J1

Keyboard

J5

Serial port

J2

Floppy drive interface

J11

Parallel port

J3

CMOS RAM extension module

J14

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.

Gallery

See Also