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Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…
... Z80's because of defective M1 line
- Bad PCB's ... -
Computer repair questionAn ewgf-style post: I'm usually able to find my way around things, search online for solutions and a few other things, but this time I'm unsure of w…
... it to SATA1 before doing repairs thinking "just to be on ... -
Replacing ZTX650 with BD139Today I blew up one of the GALs on one of my DivIDEs while testing on my Toastrack. Shorted M1 with 12V and the 12V circuit broke. I had to replace T…
... on my Toastrack.
Shorted M1 with 12V and the 12V ... -
Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …
... time has a faulty Z80 (M1 line) so I heat gunned ... -
Help me resurrecting a 128KHello to everybody. I'm really struggling along a repair of a standard 128K a friend of mine handed me over some (ok, actually a lot of) time ago. A…
... second after reset, then stops. M1 does the same, sometimes stays ... -
Z80 new old stockHi. I found this on eBay but ... is there a way we could know they don't hav a faulty M1 line? [url]http://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PS…
... don't hav a faulty M1 line?
[url]http ... -
Troubleshooting a DivIDE KitI am looking for suggestions to getting my DivIDE working. This has been rather problematic as I had an incredible red-faced, how could I be such an…
... 've read about the mysterious M1 line problem - but it is ... -
ZX Spectrum problemsHello Everybody, I am new here, and I need some help in my ZX repairs : - I have a ZX Spectrum 48k board (issue 2) which power up but remains stuck o…
... some help in my ZX repairs :
- I have a ZX ... -
Toastrack not recognising an IF1What the title says really, doesnt know its there, buffed the edge connector within an inch of its life but still no joy, also just now ive tried a M…
What the title says really, doesnt know its there, buffed the edge connector within an inch of its life but still no joy, also just now ive tried a MF128, all the nmi does is reset it. M1 line? -
Divide problemshave just got a divide 57c , green board.. not sure if t's actually working. 3 jumpers at the top near the NMI and a 4 pin jumper near the edge conn…
... 's the machines or an m1 problem as the divide+ works ... -
Spectrum +2A/B - CPU affects loading??Hi everybody, Here's something I don't understand. A +2A came in the other day, and it was working fine, but wouldn't load some tapes. OK, thinks I…
... with one with an iffy M1 line (another Zilog, this time ... have by far the best M1 lines - loaded Target Renegade and ... ? Why do CPUs with borderline M1 lines not load 128K games ... -
128K Toastrack - bad Z80?My 128K Toastrack works fine, but if I try to use divIDE or M1/128 it does not work. divIDE does not show the boot screen and in both if I push the N…
My 128K Toastrack works fine, but if I try to use divIDE or M1/128 it does not work.
divIDE does not show the boot screen and in both if I push the NMI button, the Spectrum resets.
Is a bad Z80 CPU?
My soldering skills are so bad. :( -
Fully-addressed devices initiative (FADI)I would like to introduce an initiative for those who create new pieces of hardware containing legacy devices with well-known addresses. It says that…
... or 16 addressing bits and /M1 signal should be decoded. For ... detect A0 to A7 and /M1 signals (and /IORQ, of course ... to A15, and /IORQ and /M1 signals.
I call ... -
MultifaceOneCrack-Killer.tzxhi all just wondering if anyone has ever tried to use this tool? i have had a look at it and think i understand wot it's ment to do but the code loo…
... 2 code files from a m1 dump and it is meant ... -
Project #1 : Speccy 128k+2 with diVide inside...Hi guys, I just have finished my Super Spectrum #1 The idea (I was thinking of that since 2007) was to fit an english grey +2 motherboard in a +2A…
... 2 Z80, thinking of a M1 line default (but it was ... -
Residos with Task Manager crashes on NMI button pressI finally installed my DivIDE Plus which I actually bought about one and a half years ago. (I have way too little time for this project :cry: .) Ever…
... have Z80's with the M1 line missing? Or would in ... -
Does a bad sequel/episode in a book/game/film/etc series kill the series for you?I meant to post this yesterday, but didn't get the time, but someone I was talking to said they used to love the Resident Evil series almost obsessiv…
... pointless, but I still like M1. The second Mr Bean film ... -
Microvision TVNot mine but Robs asked me to give it a shout while his account here is being validated. [URL="http://www.ebay.co.uk/itm/Sinclair-Radionics-MTV-1A-Mi…
... -TV-1978-RARE-Spares-Or-Repairs-/370836403179?ssPageName=STRK:MESE:IT ... -
Spectrum +2(grey) rf problem not tuning inHi lads, first of all a quick intro. Im a speccy enthusiast in Ireland, had my first speccy when i was seven in 1987(grey +2). Eventually it got repl…
... it to the uk for repairs and there doesnt seem to ... -
Hardware description - DivIDE interface[B][U]DIVIDE interface / DivIDE 2k11[/U][/B] [B][U]The main description[/U][/B] DIVIDE is IDE interface with own external memory. Thanks to very goo…
... and #562 then next after M1 cycle will connect DIVIDE memory ... -
Large box of joysticks for saleHiya! I've got a box of 13 joysticks + a couple of repair jobs and a broken interface for sale. I did make some more extensive notes whilst testing …
... there are a few spares/repairs bits....
1 x ... , again, might be useful for repairs or parts etc, etc, etc ... -
PowerSlave's Sinclair/Timex collectionNow that I cataloged all the items I have, it's time to show them :) Between bought and offered, my collection items are: - Sinclair Spectrum 128k…
... with news regaring the collection: repairs, new acquisitions, etc.
Playground versions of songs[URL]http://usvsth3m.com/post/68364658890/how-did-your-playground-disrespect-jesus-christ[/URL] Our school's version was "Jesus Christ, superstar …
... lost his lollipop on the M1 motorway"
whereas my ... his willy[1] on the M1 motorway"
and no ...+2 128k black | Spares / RepairsHi guys, Got a fully functional black 128k +2 that's missing the Play key, but still works and can be used by pressing down the metal bar. It's com…
Hi guys,
Got a fully functional black 128k +2 that's missing the Play key, but still works and can be used by pressing down the metal bar.
It's complete in box minus the TV lead.
It's going in the bin unless someone ...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…
... even have the classic faulty M1 line.
Still, the ...Interesting 48K failureI thought I'd recount a failure I've not seen mentioned before that I saw tonight while fixing a 48K issue 6 board. The background: The initial fail…
... up and running again. The M1 line was still also functioning ...harvard architecture spectrum clone.I got my first +2 before christmas. I'd never given the 128k spectrums much thought, always been a 48k rubber key tradionalist. :smile: I've been me…
... in with a read and M1 signal plus other logic for ... but not classed as a M1 cycle, (need to look in ... and reads that are not M1 cycles. display file would be ...Please explain how a Kempston interface circuit works.Can someone help me understand how a Kempston joystick interface works, as I want to design and build my own as an experiment. I understand switches…
... lines !IOREQ and !RD (or !M1 for some reason instead) and ...
