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Apple Macintosh LC User Manual

Page 159

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- Power: 50 watts maximum, not including monitor power

Clock/calendar

- CMOS custom chip with long-life lithium battery

Power

- 47 watts maximum

Current type Total

+5 volt 6.8 amps

+12 volt 0.8 amp

-12 volt 0.3 amp

Monitors

- Supports the following monitors:

Macintosh 12" RGB Display

Macintosh 12" Monochrome Display

AppleColor High-Resolution RGB Monitor

- Other Apple and non-Apple monitors may also be supported, if used in

conjunction with expansion cards. See your authorized Apple dealer for

details.

Keyboards

- Supports all Apple Desktop Bus keyboards.

Mouse

- ADB mouse: either mechanical tracking, optical shaft, or contact encoding

Apple Desktop Bus power requirements

- Maximum power draw for all ADB devices: 200 milliamps (mA).

- Mouse draws 80 mA.

- Keyboard draws 25-80mA (Varies with the keyboard model used).

Note: Up to three ADB devices can be daisy-chained to the ADB

port.

RAM Configurations

RAM in the Macintosh LC is provided both on the logic board and in packages

called Single In-line Memory Modules, or SIMMs. The SIMMs contain dynamic RAM

chips on a single circuit board, with electrical "finger" contacts along one

edge that plug into the SIMM sockets on the computer's logic board.