Seiko Epson
Provisional entry — research in progress
This page was generated automatically from cited public sources and hasn't completed the full research pass yet. Every specification shown carries its source; more detail is added as research completes.
The Seiko Epson QX-10 is a home computer. The Seiko Epson QX-10 is a CP/M-compatible machine based on the Z80 microprocessor.[1]
Plate 01The Epson QX-10 (as seen in my computer collection)
Plate 02Epson QX-10 - The Computer Archive
Plate 03Epson QX-10 monochrome speaker composition - The Computer Archive
Plate 04This Epson QX-10 computer from 1983 traveled the world - Erix Collectables #153
Plate 05Epson QX-10
Plate 061983 Epson QX-10 (Fujitsu 2nd Gen Dampened Leaf Springs) typing test
The QX-10 runs the CP/M or TPM-III operating system.[3]
The machine has internal extension slots, which can be used for extra serial ports, network cards or third party extensions like an Intel 8088 processor, adding MS-DOS compatibility.[3]
The QX-10 uses the NEC µPD7220 graphics controller for advanced bitmap graphics.[2]
The QX-10 was designed to provide all business computing needs.[4]
In the USA and Canada, the HASCI configuration was bundled with an integrated application suite called Valdocs.[3]
Documented failure modes, common issues, and field considerations.
| Designation | Generation | Vintage | Changes | Source |
|---|---|---|---|---|
| HASCI configuration | — | 1983 | Provided with 256 KB RAM and the special HASCI keyboard for use with the bundled Valdocs suite. | en.wikipedia.org[3] |
| Basic CP/M configuration | — | 1983 | Provided with 64 KB RAM. | en.wikipedia.org[3] |
| QX-10 (64 KB CP/M configuration) | — | 1983 | Basic CP/M configuration with 64 KB RAM and no HASCI keyboard. | en.wikipedia.org[3] |
| QX-10 (256 KB HASCI configuration) | — | 1983 | 256 KB RAM, special HASCI keyboard, and bundled Valdocs software. | en.wikipedia.org[3] |
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The QX-10 runs CP/M or TPM-III, which is CP/M-80 compatible.[3]
The QX-10 uses an NEC µPD7220 graphics controller for advanced bitmap graphics.[3][2]
Valdocs was an integrated office suite bundled with the HASCI configuration of the QX-10 in the USA and Canada.[3]
The following facts about the QX-10 are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
The process node or technology generation of the QX-10 is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the QX-10 are on record.
Answerable by: an OEM parts catalog or a service engineer
No publicly hosted manuals, SOPs, or datasheets for the QX-10 are on record.
Answerable by: university cleanroom staff or an OEM application specialist
Last updated Sep 26, 2026.