IBM Personal Computer User Manual

IBM Color Display
Controls
~
The Power-On control, when turned clockwise, applies
power to the IBM Color Display and removes power
when turned counterclockwise. The Power-On indicator
lights when power
is applied to the display.
When the Contrast control
is turned clockwise, it
increases the brightness of black, blue, green, cyan, red,
magenta, brown, and white. When turned
counterclockwise, it decreases the brightness
of these
colors.
The Brightness control, when turned clockwise,
increases the brightness of the entire screen and
decreases it when turned counterclockwise.
Power-On Control Contrast Brightness Power-On
Control Control Indicator
Displays 3-9

IBM Personal Computer Specifications

General

Manufacturer	IBM
Model	IBM Personal Computer 5150
Release Year	1981
Processor	Intel 8088
Clock Speed	4.77 MHz
RAM	16 KB - 256 KB
Graphics	MDA or CGA
Power Supply	63.5 W
Weight	21 lbs (9.5 kg)
Storage	5.25-inch floppy disk drives, optional 10 MB hard drive
Operating System	IBM PC DOS
Ports	Parallel, Serial, Cassette