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I've had better nights...So I got a broken issue 2 today, case in good nick but the diags board showing multiple failures in both lower/upper RAM. Never mind, good as a spare…
... relied on Winston's little diagnostics board, and so I can ... -
Diagnostic Board (Winston designed) PCB'sHi everyone, I had these made earlier in the year, built mine then promptly mislaid the others until now :) and I'd like to offer these to the commu…
Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…
I think if the Z80 were at fault, you wouldn't get any sense out of the diagnostics ROM.
Have you tried replacing IC3/IC4?
BTricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…
... any sense out of the diagnostics ROM.[/QUOTE]
That ...Instantish load options for snapshots on HW?Hello All, I am after some advice if I may! I have a Spectrum 48K & IF2 (RAM Turbo), and a Spectrum+ & IF1. I would like to play the Ultimate game…
... 1 even) and one with diagnostics on...but I might just ...What ever happened to.....?Hi All, - What ever happened to P.D Power fanzine? I used to collect this many years ago in the mid 1990's when it was one of the few ways to keep u…
... my spare time do vehicle diagnostics on Peugeots, I'm a ...PC Keyboard Interface v2014.1A new version of the PC keyboard interface is coming up, with a few improvements: - 'Reset-bug' removed - Smaller, just one inch high, hence cheaper …
... /> - Built-in self-test and diagnostics
- And it's plug ...Yet another Windows 8 thread....My old desk top PC gave up the ghost about 6 weeks or so ago. I'm pretty sure it's the hard drive that's packed up, but as much as I tried, I just se…
... used for the purpose of diagnostics, troubleshooting, remote assistance, virus removal ...48K: Half of copyright message in the middle of the screen?!Issue two. Has 74LS08 over the Z80, but the ULA is 5C112E-3 (I think this should be a 5C102E??? - I have one, but I'm not sure if it is working, at l…
... .net/Projects/Spectrum-Diag/"]this diagnostics board[/URL]) that should work ...48K: Half of copyright message in the middle of the screen?!Issue two. Has 74LS08 over the Z80, but the ULA is 5C112E-3 (I think this should be a 5C102E??? - I have one, but I'm not sure if it is working, at l…
... .net/Projects/Spectrum-Diag/"]this diagnostics board[/URL]) that should work ... that, as I like all diagnostics stuff (although I only know ...48K: Half of copyright message in the middle of the screen?!Issue two. Has 74LS08 over the Z80, but the ULA is 5C112E-3 (I think this should be a 5C102E??? - I have one, but I'm not sure if it is working, at l…
... mess.
Even Winstons diagnostics board does not seem to ...DEATH is getting old.....I don't know, maybe it's just me getting old or something... There's a few things happening on here that I just don't understand. We have people th…
... really need one for my diagnostics. My own one is a ...48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... /> One minor problem: after the diagnostics, the test program says it ... , ROM stays disabled. Anyway the diagnostics work fine and will be ...48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... ]One minor problem: after the diagnostics, the test program says it ... , ROM stays disabled. Anyway the diagnostics work fine and will be ...48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... unless you are using a diagnostics board.
Grab the ...A redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U] This is a continuation of a project that started in a hijacked thread [URL="http://…
... ="https://github.com/brendanalford/zx-diagnostics"]here[/URL].
BA redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U] This is a continuation of a project that started in a hijacked thread [URL="http://…
Might be an idea to put the schematics, symbols etc. under version control?
I could suggest my zx-diagnostics git repo if that sounds like a plan. Handy to have everything in once place :)
BA redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U] This is a continuation of a project that started in a hijacked thread [URL="http://…
... ="https://github.com/brendanalford/zx-diagnostics"]here[/URL].
[/QUOTE]
A redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U] This is a continuation of a project that started in a hijacked thread [URL="http://…
... /> I could suggest my zx-diagnostics git repo if that sounds ...A redesigned version of Winston's diagnostic board[U][B]A redesigned version of Winston's diagnostic board[/B][/U] This is a continuation of a project that started in a hijacked thread [URL="http://…
... ="https://github.com/brendanalford/zx-diagnostics/wiki"]here[/URL]. I still ...Weird symptom number 2...I got a new keyboard membrane for my Spectrum+ plugged it in and low and behold the weird left to right printing of the copyright message disappeared…
... time.
The zx-diagnostics test ROM I work on ...Weird symptom number 2...I got a new keyboard membrane for my Spectrum+ plugged it in and low and behold the weird left to right printing of the copyright message disappeared…
... ?
[B]balford - ZX-diagnostics[/B]
(As an ...Weird symptom number 2...I got a new keyboard membrane for my Spectrum+ plugged it in and low and behold the weird left to right printing of the copyright message disappeared…
... interrupt test mode to my diagnostics that should help with this ... ="https://github.com/brendanalford/zx-diagnostics/wiki/Firmware#ula-test"]here ... you're running on the Diagnostics Board hardware originated by Winston ...Weird symptom number 2...I got a new keyboard membrane for my Spectrum+ plugged it in and low and behold the weird left to right printing of the copyright message disappeared…
... interrupt test mode to my diagnostics that should help with this ... ="https://github.com/brendanalford/zx-diagnostics/wiki/Firmware#ula-test"]here ... you're running on the Diagnostics Board hardware originated by Winston ...48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
If the boards are complete, then you can get the firmware and flash utility from the zx-diagnostics link in my sig :)
B48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... ="https://github.com/brendanalford/zx-diagnostics/wiki/Flash-Utility"]here[/URL ... ="https://github.com/brendanalford/zx-diagnostics/tree/master/FlashUtils/bin"]here ... ="https://github.com/brendanalford/zx-diagnostics/tree/master/bin"]here[/URL ...48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... ="https://github.com/brendanalford/zx-diagnostics/wiki/Flash-Utility"]here[/URL ... ="https://github.com/brendanalford/zx-diagnostics/tree/master/FlashUtils/bin"]here ... ="https://github.com/brendanalford/zx-diagnostics/tree/master/bin"]here[/URL ...
