IBM 5155 User Manual

Diskette Drive
The diskette drive is probably the most-used device in
your system, besides the keyboard.
It is used to load
and store programs and data.
If two diskette drives are
installed in your system unit, the top diskette drive
is
referred to as drive A and the bottom one as drive B. For
proper operation, follow the procedure below:
1 Insert the diskette into the drive.
Drive A
Diskette Drive 3-25

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)

Summary

FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT

INSTRUCTIONS TO USER

Explains RF energy generation and potential interference, advising proper installation and use.

Section 1. Introduction/Installation

External Options

Illustrates external components that expand capabilities.

Installation

Outlines initial setup steps and procedures for the system.

Section 2. Problem Determination Procedures

Section 3. Operating Your IBM Portable Personal Computer

System Unit

Describes the main component responsible for processing and controlling operations.

Keyboard

Details the layout and functions of the keyboard.

Diskette Drive

Details how to insert and remove diskettes from the drive.

Section 4. Option Installation

Installation Procedures

Step-by-step instructions for physically installing options.

Section 5. Moving Your IBM Portable Personal Computer

Moving Your System Unit

Steps for preparing and safely moving the system unit.

System Setup

Instructions for setting up the system unit in a new location.

Moving Your Options

Guidance on preparing and moving peripherals and expansion units.