| 8K Non-Volatile Memory Kit | Review of Hunter board. The Non-Volatile memory (NVM) kit is a battery backup powered RAM board that is primarily designed to fill the transparent address area between 8K and 16K in the Sinclair ZX80/81. The key feature of this product is that with the onboard battery, the routines stored in NVM are retained even with | Sinclair ZX81, Timex/Sinclair 1000 |
| Another Look at 450ns EPROMS vs the ZX81/TS1000 | Paul Hunter’s comments on using 450ns EPROMs on ZX/TS computers (May83) strike me as true but incomplete. Paul shows how to add a flip-flop to delay the computer by inserting wait states and thus make the computer read slow EPROMS. You can use another chip select scheme to cure access problems without adding circuitry or | Sinclair ZX81, Timex/Sinclair 1000 |
| Highlights from the November Meeting | Bob Masters talked about using VU-Calc to verify Blue Cross claims forecasts. J. Michael Coughlin described the Hunter board. | |
| Larken & Hunter | Add a switch to the Hunter 8K memory board so it will work with the Larken DOS ROM, which occupies 12-16K region. | Timex/Sinclair 1000 |
| Memory with a Memory | Review of the Hunter 8K non-volatile RAM board. | Timex/Sinclair 1000 |
| Mod to Use Hunter RAM with > 32K | Hunter boards require a modification to work on systems with more than 32K RAM. | Timex/Sinclair 1000 |
| New Product News, Old Product Offers | Updates on products from Budget Robotics and Computing, ROMPAK, Hunter, Oliger, Compusa, Softmark, W. T. Associates, Markel Software, D. Lipinski, Siriusware and Ace Software. | Timex/Sinclair 1000, Timex/Sinclair 2068 |
| New Products and Services (Syntax v3 n10) | New products from Tom Woods, Hunter, Miller-Zamis, International Publishing and Software, King Software, Hamrich International, P. Pollak, E-Z Key. | |
| New Products and Services (Syntax v4 n2) | New products from Expense Cutters Products, JPR Software, Biocal, Memotech, R.S. Panwar, Wisconsinc Electronics, Calliope Software, Practical Computer Products, Melear Marketing, SofTek, RAMSTRAP, Syncware,f/22 Press, Hunter, Friendly Computer, M.C. Hoffman, Integrated Data Systems, Softsync. | |
| Product Updates: Hunter, Memotech | Hunter produces EPROM version of its 8-16K RAM board. Memotech keyboard being shipped in black. | Timex/Sinclair 1000 |
| Resources (Sync v2 n5) | Listing of new user groups, books and other resources. | Timex/Sinclair 1000 |
| Reviews for the Non-Programmer | Using the Z-XLR8 ROM with the Hunter board. | Timex/Sinclair 1000 |
| Revising a Hunter Board to Hold 32K Bank Switchable NVRAM | With HM6264LP-I5 28 pin RAMS at less than $4 each, l have devised a not-too-difficult revision to a Hunter board which will give your ZX81/TS1000 four switchable 8K sections of write-protected NVRAM on the one board. | Timex/Sinclair 1000 |
| Sinclair/Timex Memory Kit | Product announcement for Hunter 8K CMOS RAM board (mapped to 8-16K) | Timex/Sinclair 1000 |
| To Buy or Not to Buy? Hardware | Review of Hunter Board. | Timex/Sinclair 1000 |
| Vendor Reports and Notes | Updates from Brainchild, Kopak, Paul Hunter. | |
