IBM 5155 User Manual

Section 3. Operating Your IBM Portable
Personal Computer
Contents
Introduction
3-3
System Unit •...•.•....•••.•.••••..•••••.• 3-5
Keyboard ...•.........................••• 3-7
The Typewriter Area
on International
Keyboards
........................... 3 -13
Special Keys when Using DOS with an
The Typewriter
Area .................... 3-8
International Keyboard
................. 3-14
Special Characters
.................. 3-14
Dead Key Characters ................ 3-15
Additional Characters
............... 3-15
Changing back
to the U.S. English Format .. 3-17
The Numeric Keypad
.................. 3-18
Cursor Controls
...................... 3-20
Function Keys
........................ 3-23
Diskette Drive ••....•.•....•...•.•.•...•. 3-25
mM Portable Personal Computer Display .•••.• 3-29
Expansion Unit .•••...••.•...••.•...•.••. 3-31
mM Color Display .••.•...•.••..•••....•• 3-33
Controls ............................ 3-33
Vertical Hold Adjustment
............... 3-34
Vertical Size Adjustment
................ 3-35
Operating Your
mM Portable Personal Computer 3-1

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)