HP 9836C Technical Computer: Difference between revisions
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* [[HP 9122C Dual 1.44MB Floppy Drive]] | * [[HP 9122C Dual 1.44MB Floppy Drive]] | ||
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[[Category:Computer]] | [[Category:Computer]] | ||
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Revision as of 16:24, 27 June 2023
HP 9836C Technical Computer
| General Info | |
|---|---|
| Release Year | 1981 |
| Manufacturer | HP |
| Technical Specifications | |
| CPU | Motorola 68000 8MHz |
| Categories | |
| Computers | |
| QR Code | |
 | |
A high end workstation computer from HP in the early 1980s primarily for use with CAD and instrument control using the integrated HP-IB (GP-IB/IEEE-488) interface.
Floppy Disk Drives
The internal floppy drives are standard Shugart interface compatible drives, the example I have used Tandon TM200-2A drives, but some units shipped with drives made by Magnetic Peripherals Inc and Control Data as well.
Both of the drives are jumpered at DS0 and MX on U1E as described in the Tandon Manual[1]. A Termination pack is also installed by default in U2F.
Double Density 5.25" disks used in the system are formatted with a LIF filesystem using 33 tracks, 16 sectors per track, and 256 bytes per sector for a total capacity of approximately 270KiB.
Repairs - Modifications
2023-06
- Original video cable failed and was replaced with standard male-male DA-15 cable with straight pinout.
- Computer was originally acquired with a HP 98629A Resource Management Card which was replaced with a HP 98622 GPIO Card since this system will likely never be used with others for the foreseeable future.
- Floppy drives were disassembled and dry cleaned to remove dust
Archived Media
Video Appearances
Related Devices
External links
- ↑ Page 26 of "OEM OPERATING AND SERVICE MANUAL TMIOO-l, TMIOO-2 DISK DRIVES 48 TRACKS PER INCH" http://www.bitsavers.org/pdf/tandon/TM100-1_TM100-2_48TPI_Operating_and_Service_Manuals_1983.pdf