IBM PS/1 User Manual

1090—System Board
Adapter Card (1035).
Left DASD Support Bracket (1010).
Riser Card (1045).
Memory (SIMM) (1050) if applicable.
Video RAM (1055) if applicable.
Math Coprocessor (1060) if applicable.
Disconnect any cables necessary for removal.
Notes:
1. Be certain to reinstall the SIMMs, Math Coprocessor, video RAM, and
cache in the new system board if applicable.
2. When reinstalling a new system board, push the board to the rear and
place it over the front locating pin prior to installing the screws.
3. Run the Configuration Utility after changing the system board.
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IBM PS/1 Specifications

General

Processor	Intel 80286 or 80386
Processor Speed	10 MHz (80286)
RAM	1 MB (expandable to 2 MB or more)
Storage	40 MB hard drive
Floppy Drive	3.5" 1.44 MB
Graphics	VGA
Ports	Serial, Parallel, Mouse