Mechanical Affinity
513 East Main St., Peru, IN 46970
Location: Indiana, United States
Supplier of Timex/Sinclair hardware and software. Run by Frank Davis and Paul Holmgren. The company had two addresses, one in Peru, Indiana (Davis) and one in Indianapolis (Holmgren), about 70 miles apart. Holmgren eventually left the business and Davis continued as FWD Computing.
Products
| Name | Description | Computers |
|---|---|---|
| Improved ROM for TS1000 | Debugged/improved LPRINT, CLS, SCROLL, DIM and more. Full display file, SCROLL/CLS work properly, LPRINT small numbers (.0001), DIM very large single strings (DIM A$(47000)) in 64K and a few other changes incorporated. For the 16K TS1000, TS1500 or ZX81. | Sinclair ZX81, Timex/Sinclair 1000, Timex/Sinclair 1500 |
| Internal battery backed clock for QL | Uses lithium battery, good for far longer than ordinary batteries. Plugs in to 8049 socket, and 8049 is installed in it. | Sinclair QL |
| Keytops for QL | Use to replace broken or missing key or whole set. Not available directly from Sinclair; this was available from third-party vendors. | Sinclair QL |
| QL case | Contains keys and bare motherboard. Not available directly from Sinclair; this was available from third-party vendors. | Sinclair QL |
| QL Internal ROM Board | Allows you to put your favorite ROM version (JM , JS, JSU, MGUS, MGUK , etc.) on an EPROM. This will lower power consumption by the QL by about 20% & drop the internal heat by close to 50 degrees Fahrenheit. | Sinclair QL |
| QL keyboard membrane | Sinclair QL | |
| QL Power Supply | Replacement power supply. Not available directly from Sinclair; this was available from third-party vendors. | Sinclair QL |
| Spectrum B ROMs | On EPROM, bug corrected with additional character set. | Timex/Sinclair 2068 |
| Speedscreen | ROM for ROMport. | Sinclair QL |
| TS2068 Dock EPROM Boards | Can be used for TS2068 program on EPROM, configured for use as non-volatile memory (32K to 128K), or as RAM disk. | Timex/Sinclair 2068 |
Books
| Name | Description | Computers |
|---|---|---|
| Touring the TS2068 ROM Operating System | Complete Annotated Disassembly With Error & Calculator Conventions. | Timex/Sinclair 2068 |
Articles
| Title | Description | Computers |
|---|---|---|
| Sinclair Hardware Odds and Ends | Sinclair QL, Timex/Sinclair 2068 |
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