Atari 800 Service Manual

Figure 5-24. 800 Console, Keyboard Removal
5. Access to CPU Printed Circuit Board, refer to Figure 5-27
• Set Module Assembly on its back
• Remove nine screws (no. 6 32x5/8) from Lower Shield
• Lift Motherboard and Lower Shield out of aluminum
casting
• Remove CPU printed circuit board
6. Access to Motherboard, refer to Figure 5-28
• Carefully slide screwdriver underneatn Motherboard next
to nylon clip. Gently raise handle of screwdriver,
prying off. Repeat operation for other three nylon
clips.
• Lift Motherboard off Lower Shield
CAUTION
Be careful not to bend any of the pins on the
Motherboard Connector
5-39 System Service Manual

Atari 800 Specifications

General

Processor	MOS Technology 6502
Processor Speed	1.79 MHz
ROM	10 KB
Graphics	ANTIC and GTIA chips
Release Year	1979
Display Resolution	up to 320 x 192
Colors	128 colors
Sound	4 channels
Storage	Cartridge, cassette, floppy disk
Ports	Cartridge, serial, monitor
Operating System	Atari OS