PS/2 MODEL 55SX Motherboard Settings and Configuration

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.