IBM 5155 User Manual

15 Did the screen change from white to black when
the Power switch was set
to On? (The totally
black screen may last only
13 seconds before the
display changes again.)
YES - Go to the next step.
NO - Have the display serviced.
16 Wait for the Power-On Self Test (POST) to
complete. The IBM Personal Computer BASIC
message, with a blinking cursor,
will appear (if a
diskette
is not inserted, or an operating system is
not automatically loaded from a fixed disk
drive).
The IBM Personal Computer Basic
Version CX.XX Copyright IBM Corp. XXXX
XXXXX Bytes free
Ok
lUST 2RUN 3LOAO" 4SAVE" 5CONT 6LPT1'1TRON BTROFF 9KEY OSCREEN
9000-6 Test
January 1984

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)