IBM 5155 User Manual

6 Does the black area appear across the top and
bottom
of the screen?
•
()
8
YES -
Go to the next step.
NO - Have the display serviced.
7 Are the black areas at the top and bottom of the
screen approximately equal in size?
•
()
8
YES -
Go to the next step.
NO - Have the display serviced.
January
1984 Test 9000-3

IBM 5155 Specifications

General

Model	IBM 5155
Category	Desktop
Release Year	1984
CPU	Intel 8088
Clock Speed	4.77 MHz
Display	9-inch monochrome CRT
RAM	256 KB, expandable to 640 KB
Storage	One or two 5.25" 360KB floppy disk drives
Graphics	CGA (Color Graphics Adapter)
Ports	Parallel, Serial, Keyboard
Operating System	IBM PC DOS
Weight	30 pounds (13.6 kg)