Brand: NEC
Category: Other
Document Type: Manual
Language: EN
Manual for CP/M-86
Uploaded: Nov. 21, 2025, 6:24 p.m.
Manual Publish Date: 1983-08-01
Warranty Information
All rights reserved. This manual is protected by copyright. No part may be reproduced without written permission.
This manual details the CP/M-86 operating system for the NEC Advanced Personal Computer (APC). It covers general characteristics, differences from CP/M-80, command setup and execution, file generation, BDOS and BIOS functions, advanced BIOS functions, GSX-86 graphics, and disk operations. It serves as a reference for programming and adapting the system to custom hardware.
Troubleshooting and error codes
| Error Type | Error Code | Description |
|---|---|---|
| BAD SECTOR Error | 4-12, 5-15 | Disk read error due to a physically damaged sector. |
| CBIOS Error Messages | 4-1 | Errors related to the Customized Basic Input/Output System. |
| CP/M-86 Error Messages | G-1 | General error messages for the CP/M-86 operating system. |