IBM 5100 User Manual

Logic Symbol Legend
GENERAh LOGIC INFORMATION
Voltage Switching Levels
+5.5 -- --- - ---
Up Level Region
+2.0
....,.------
Unreliable Region
+0.8 -
---
Down Level Region
Polarity
Polarity
is indicated by a wedge ( t::...) or no wedge.
More negative
VOltage~ A I
More positive voltage
-----
Active Level
Active level
is the line level that conforms to the edge-of-
block character for
that line.
This line
is active when minus~
This line is active when PIUS-U
Logic Symbols
Line Function
Symbol Description
S Sets a storage bit.
R Resets a storage
bit or register. I t can also
be used to hold a logic block off.
J
5-4
Note: Multiple R lines can be present in a
logic block.
Anyone line resets the logic
block and does
not depend on all R lines
being active.
Sets a storage bit.
Line Function
Symbol
K
T
D
C
CD
SD
SU
SDD
SUD
+n
-n
G
n
A
R!W
R/B
Decimal
Numbers
Description
Resets a storage bit.
Note: Simultaneous application of J and K
',/
~!'1plemEm~ the stored bit.
Complements a storage bit.
Data into a storage bit. Sets indicated
./\
polarity; resets opposite polarity.
'.,,-~
Control input to a polarity hold, storage
device,
or register.
The control data line under control
of the
Cline.
Shifts bits
in register down one bit position.
Shifts bits
in register up one bit position.
Simultaneously sets a data bit into a
register and shifts
all the other bits in the
..
'.
register down one bit position.
./
Simultaneously sets a data bit into a
register and shifts
all other bits in the
register up one bit position.
Increases binary
count in register by n
(any decimal number).
Decreases binary
count in register by n
(any decimal number).
Gate control.
Gated dependent line (for example,
Gl,
G2,G3).
Common read/write address to MREG.
Read/write control line
to MREG.
/
Reset output buffer to MREGB.
Used to weight DCD (decoder) input and
output lines.

IBM 5100 Specifications

General

Release Year	1975
RAM	16 KB - 64 KB
Storage	204 KB tape drive
Display	5-inch CRT
Operating System	APL/BASIC
Processor	IBM PALM (1.9 MHz)

Summary

Preface

CE Safety Practices

General Considerations

Safety precautions for working with IBM equipment, general guidelines.

Rescue Breathing for Adults

Step-by-step instructions for administering rescue breathing to adults.

Using the IBM 5100 Portable Computer Maintenance Library

5100 Maintenance Library Overview

Description of the 5100 maintenance library components including MAPs, MIMs, logics, catalogs, and tools.

MAPs

MAP Organization

Flowchart and explanation of how MAPs are structured and used for troubleshooting.

Using the MAPs

Instructions on how to read and follow MAPs, including sequences and probing.

MAP Example

Illustration and explanation of a sample MAP process, including entry/exit points and references.

Maintenance Information Manual

Maintenance

Details on location drawings and procedures for repairing or replacing FRUs.

Diagnostic Aids

Information on diagnostic programs, halt codes, and error conditions.

Theory

Descriptions of functional units and features, including a system overview.

Circuits

Information on card plug charts, signal cable charts, and logic diagrams.

Language Support

Reference material for determining causes of programming problems.

Appendix

Installation procedures and additional maintenance information.

Abbreviations and Glossary

Definitions of terms and abbreviations used in the manual and MAPs.

Index

A detailed listing of all topics within the maintenance information manual.