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| subject: | Fix for flaky MS-SoftCard Z80 clones |
This is a followup to problems I had been having with the clone MS-SoftCard Z80 from Atlaz (my problem is not with the vendor). The idea was to swap out chips, which is not original! The CPU mine came with is: Goldstar Z8400A PS Which I replaced with: Zilog Z84C0008PEC The system is far, far, _far_ more stable now. I don't know if it is the fact that it's a CMOS part, or if that the chip is faster, or both. In any event, it's a cheap fix with immediate, practical results. As I write this, I'm transferring a 16K hex record of Brad Rodriguez's CamelForth, for the second time. The first went of without a hitch, which is a minor miracle, but the file was corrupted (possibly as a side-effect of MyZ80's 'export' function. As an aside, the RAMDRIVE.COM from the CP/AM 4 CP/M disk WORKS with MS-CP/M 2.23. It gives a 64K ramdrive, which greatly speeds up serial transfers and program execution. Hopefully, this helps someone else out. HTH and TTFN, Tarkin --- SBBSecho 2.12-Win32* Origin: Derby City Gateway (1:2320/0) SEEN-BY: 10/1 3 34/999 120/228 123/500 140/1 222/2 226/0 236/150 249/303 SEEN-BY: 250/306 261/20 38 100 1404 1406 1410 1418 266/1413 280/1027 320/119 SEEN-BY: 393/11 396/45 633/260 267 712/848 800/432 801/161 189 2222/700 SEEN-BY: 2320/100 105 200 2905/0 @PATH: 2320/0 100 261/38 633/260 267 |
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