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The Authoritative Website for Timex/Sinclair Computers

The Authoritative Website for Timex/Sinclair Computers

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Home » Don Walterman

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Computers
- Sinclair
  - Sinclair ZX80
    - Articles
    - Books
    - Hardware
    - Software
  - Sinclair ZX81
    - Articles
  - Sinclair QL
    - Hardware
    - Software
  - Cambridge Z88
- Timex
- Other
  - MicroAce
    - Hardware
    - Articles
    - Software
    - Books
  - Lambda 8300
Downloadable Software
- ZX81/TS-1000
- TS-2068
Publications
Companies
- Sinclair
- Timex
- View All
Products
Community
About
Blog

Don Walterman

Articles

Input/Output
Internal Memory Expansion for the Z88
MacPaint File Printing

Events

1993 IQLR Show: The Miracle in Newport
1994 IQLR Show: The Miracle in Newport II
1995 3rd IQLR QL Fest
1996 North American QL Show
1997 North American QL Show
1999 West Coast Sinclair Show

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Timex/Sinclair 2068: A Computer in Search of an AudienceNovember 10, 2025
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VOTEM: The $40 Computer Peripheral That Went to SpaceOctober 10, 2025

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