IBM 5100 User Manual

5. Display the I/O buffer area:
Refer
to I/O Buffer Area
DCP:L
l:ICPl.
D 30'+'+
LOC@
30'-1-'+
Displacement to first position of I/ei buffer
-
0000 018~ 0000 01BC 0022 OOEE OOEE tOFO
305'+
OA20 0100 3066 OOCC 0001 3132 0000 0000
-
I/O buffer start address
6. . The I/O buffer
is located 22 hex bytes from the be-
. ginning of the I/O buffer area (refer to I/O Buffer
Area). Add hex 22 to the address of the I/O buffer
area:
Hex 22 (displacement to first position of I/O
buffer)
Hex 3044 (beginning of I/O buffer area)
Hex 3066 (buffer start address)
You can also use the buffer start address in the 10CB
as shown in step 5.
7. Display the I/O buffer:
The I/O buffer is set to a" hex zeros when the I/O
operation
is complete. If you stop the I/O operation
by pressing the
CMD and HOLD keys, you might
cause data
in the workspace and/or tape files to be
lost.
Use the 5100 internal code chart to decode the data char-
acters
in the I/O buffer.
DCPl
DCPl
D 3066
LOC@
;3066
Data
,
"
,-. ____ -"" _____ ... ~ End of record :haracter ~
190F
l~:iOO
0801
1605 0006 OF15 OEO'+ 001'+
3076
080~5 0009 250F 0002 1506 0605 1200 0000
6-14

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.