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The Different Approaches To Upgrading the ZX Spectrum from 16K to 48K This is probably something that has been covered before . I will take a look to see if I can find anything on WOS
... .ebay.co.uk/itm/Zx-spectrum-issue-1-32k-daughter-board-ram ... ://ebay.co.uk/itm/Zx-spectrum-issue-1-32k-daughter-board-ram ... -
The Different Approaches To Upgrading the ZX Spectrum from 16K to 48K This is probably something that has been covered before . I will take a look to see if I can find anything on WOS
... .ebay.co.uk/itm/Zx-spectrum-issue-1-32k-daughter-board-ram ... ://ebay.co.uk/itm/Zx-spectrum-issue-1-32k-daughter-board-ram ... RAM board for a ZX Spectrum 16K issue 1 board.
Can someone run this test program on a real Spectrum 48K?I've knocked up a small test program just to satisfy my emulation OCD if someone with a real 48K Spectrum can spare a couple of minutes to run it.? …
... .tap" on 48k Speccy (Issue 4A, with divMMC Pro One ... is on a very real Spectrum Issue 4A ?
I probably ... seem to have a real Spectrum anymore :)) [/quote]
... I have several Spectrum-compatible computers (Pentagon and others ...Can someone run this test program on a real Spectrum 48K?I've knocked up a small test program just to satisfy my emulation OCD if someone with a real 48K Spectrum can spare a couple of minutes to run it.? …
... "FPGA48all.tap" on 48k Speccy (Issue 4A, with divMMC Pro One ... is on a very real Spectrum Issue 4A ?
I probably put ...How can I fix a problematic Retroleum Smart Card. I did not do anything "WRONG " with it but I did but it on a flexible cable and this seems to have "upset" it .Since then It does not perform the …
... It had to be an Issue 2 and it was .I ... check this . So , with Issue 2s , curing the colour problem ... co.uk/2017/11/zx-spectrum-issue-2-colour-adjustment.html"] ... co.uk/2017/11/zx-spectrum-issue-2-colour-adjustment.html[/ ... realize it is an Issue 2 I will probably ...What Original Spectrum Hardware Was Made In Korea? There was a "sister thread" for this but about Taiwan:- [url="https://www.worldofspectrum.org/forums/discussion/57248/what-original-spectrum-har…
... impressed with the ZX Spectrum Issue 4s, so I ... .com/technical/zx-spectrum-models/"]https://spectrumforeveryone. ... a second hand ZX Spectrum + "Issue 4S" recently ,I ... issue Spectrums ? Is this particular Issue the "Rolls Royce" of the Spectrum PCB "Issue ...Corona Virus,Is is me or is the BBC sensationalizing this corona virus too much and creating hysteria?
... they had coped with the issue, having no internal corona cases in ... />
[spoiler]Dmsmith, it's no offtopic for me, so could ...Corona Virus,Is is me or is the BBC sensationalizing this corona virus too much and creating hysteria?
... they had coped with the issue, having no internal corona cases in ... bit, including comments about 'see-no-evil pill-taking monkeys' in ... : your spoiler, it really has no direct bearing on events currently ..."Self Isolation" and Speccy PCB repair"These Days" of "home self-isolation" , particularly on rainy days , I reckon I will have more time to hone my Speccy PCB repair skills which are s…
... my "properly Korean" Samsung ZX Spectrum Issue 4S with Korean written on ... the Plus case ( my other Spectrum 4S4S case is not labelled ... /> Now I will put this Spectrum+ all back together .doubt about swapping ULA in an issue 2 boardIs it possible to swap a 6C001E-6 ULA type with a 5C112E ? I have this issue 2 board that is not booting, it shows me a black border with horizont…
... -6 should work in an issue 2 board. But putting an ... is much more common. On issue 3 boards and later, this ... .retroleum.co.uk/electronics-articles/spectrum-issue-2-pcb-mods/"]this guide ...I am currently watching.....This stems from a rant Mel did months ago on the currently listening to thread, and he suggested starting a thread like this to somebody (sorry can't…
Sat down to watch Entourage but Sky's boxset service is down so can't download anything, seems a UK wide issue so no point phoning but no word on what's wrong or an ETA fix time. Just a wall of silence.5C series NTSC ULA 5C114E 8248Not sure if this has been mentioned before; I haven't seen anything about it online. Chris Smith's book discusses 6C011E as the NTSC ULA sold in Spec…
... .retroleum.co.uk/electronics-articles/spectrum-issue-2-pcb-mods/"]here[/url ... /> Like on this U.K. issue 2...
[url=https://postimg ...Key Materials ,Concepts , and Ideas for DIY Cases For ZX Spectrum Interfaces.In the 1980's ZX Spectrum Interfaces were largely supplied "cased up" or encased . Nowadays often they are not as they are usually sold as bare PCBs.…
... ZX Spectrum Diagnostics Cartridge Interface today when a rubber key Issue 3 ... to remember to clean the Spectrum's edge connector first .And ... to use . The rubber key Spectrum Issue 3 tested today was fine ...How can I fix a problematic Retroleum Smart Card. I did not do anything "WRONG " with it but I did but it on a flexible cable and this seems to have "upset" it .Since then It does not perform the …
... " . Somehow it is always the Spectrum Issue with the most "potential" ( for ... appealing because of that Classic "Issue 2" feel .
But ... a Smart Card.The unpopulated Issue II I have "come across ... be arguing that if a Spectrum is good enough to come ...Is it possible to make the Z80 execute a bizarre instruction?What happens when it gets an unrecognised instruction OP Code, I mean something following a #ED that isn't one of the undocumented instructions eithe…
... ? Just curious. [/quote]
No, normally the Z80 runs at ... of the Z80. So no overheating or burn out.
Spectrum on for days at a ... I’ve had a ZX Spectrum +2B on for several weeks ... ! The standard ZX Spectrum models have no means for software to ...Programming as a means of staving off dementia...?I have to wonder if anyone here is worried about getting the human equivalent of severe bit rot - and it seems it could happen to anyone. For the mos…
How about programming as a cause of dementia? I cannot understand the WoS archiving system, theres no info, no recognizable names plus a description. Just a file name which means jack and Spectrum Computing is no better.ZX Spectrum 48k issue 3b power problem?Hi :) I was lucky enough to find a couple of ZX Spectrums at a car boot sale yesterday. I spent the evening fiddling about with one (issue 2) and t…
... boot sale yesterday. I spent the evening fiddling about with one (issue ... /> The second is an issue 3b. I am willing to ... I turn on this spectrum, the copyright screen comes ... or so, then disappears - (no input to tv).
... this is a power issue? Its like it is ...Three Spectrum main boards (Issue Two, 3B and 4A)I will be offering three partially tested Spectrum main boards (Issue Two, 3B and 4A) on Ebay. All boot to the Sinclair (C) message. All fully popula…
... tested Spectrum main boards (Issue Two, 3B and 4A) on Ebay. All boot ... . Placing a bid should be no problem for people abroad. Contact ...No colour - Issue 2 SpectrumThis one is driving me mad - any suggestions appreciated. I have an issue 2 Spectrum with no colour at all. I found the 12v rail was at just over …
... /> I have an issue 2 Spectrum with no colour at all. I ... voltages now OK. Still no colour. Obviously tried adjusting ... changed them anyway - again no luck. Replaced capacitors, and ... them on a different issue 2 board to ... have a fully working issue 2 board to ...Spectrum board Issue numbersWhilst cataloging my spectrums I am documenting the issue numbers of the motherboards. so far I have (all spectrum or smegtrum + Issue TWO 3 3B …
... issue numbers of the motherboards.
so far I have (all spectrum ... or smegtrum +
Issue TWO
3 ...
3B
4A
4B
issue 1 and an issue 4 or 5A.
I've finally bought a Spectrum at a boot sale!I do rather well at boot sales collecting games carts for consoles, but for some reason, I have never,ever,ever seen a Spectrum for sale second hand …
I do rather well at boot sales collecting games carts for ... never,ever,ever seen a Spectrum for sale second hand anywhere ... . Tapes yes, actual Spectrums, no.
Got one just ...New issue of Edge: Spectrum designer featureThe new issue of Edge has a fairly good article on the guy that designed the Spectrum's casings, from the rubber-keyed original to the 48/128K black …
The new issue of Edge has a fairly ... the guy that designed the Spectrum's casings, from the rubber ... subtle hints of the anti-Spectrum bias, like the quote bars ... attitude. One was made with no little style, while the other ...ZX Spectrum 48K,issue two - can't get it repairedI have an issue 2, which has some weird very small PCB hanging over the Z80. Some wire go to various places on the big PCB, two go to connections 36 …
I have an issue 2, which has some weird ... 6 start blinking (4 times, no alternated pattern)
At ... end it pages in the Spectrum ROM, but it's illegible ...ZX Spectrum not working... issue 4S?Hi, I've bought a "new" broken ZX Spectrum +. The idea was to put an harlequin board inside, but for the moment I'm trying to put it in working order…
... bought a "new" broken ZX Spectrum +. The idea was to put ... board says it is an Issue 4S.
- The computer had ... there are schematics for Issue 4a and 4b, but I've never ...Spectrum 48k Issue 4S?I just recieved a Spectrum 48K that had the bottom case from an issue 1 and the top half from a later issue, and the main board is 1983 Issue 4S. I a…
I just recieved a Spectrum 48K that had the bottom case from an issue 1 and the top half from a later issue, and the main board is 1983 Issue 4S. I am curious in what way it differs, as there are no schematic for issue 4S on this site.Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
... I have an issue 4S board with no case to ... br /> 1. Remove the 16K Spectrum ROM
2. Replace it ... 64K Spectrum - how the hell does it ever boot up? ... boot loader basically copies a chunk of code into the Spectrum ... its original ROM - the Spectrum's PCB is not ...ZX SPECTRUM 48K color problemsHello, I am asking for your help... I found a ZX spectrum in a garage of a friend. He gave it to me telling that it didn't work. To say the truth it…
... .
The issue of the board is 4B
So ... TR2 transistor ( I replaced them, no effect)
X2 ... Crystal ( I replaced it, no effect)
IC14 - LM1889N ... . Besides I had another working spectrum + and I copied all the ...Spectrum +2 little help pleaseHi all, Firstly let me say, what an amazing site this is! So much incredible detail and information, created by what looks to be a very dedicated an…
... showing as expected the grey boot screen and options, will ... mod by screw with no luck, my next thought ... .ie/2008/11/zx-spectrum-composite-video-mod.html"] ... useful when figuring out an issue on my ZX. Capacitor ... pure black center screen. No sound can be heard on ...ZX Spectrum 48k - no CLK signalHello I'm trying to repair ZX Spectrum 48 mainboard issue 3B. When i check signal with oscilloscope on X1 or on ULA pin 39. I get stable 2V no clock…
... trying to repair ZX Spectrum 48 mainboard issue 3B.
When i ... 39. I get stable 2V no clock pulses. Can broken ULA ... chip be the cause of no clock signal?
regards ...ZX Spectrum +2A - Issue loading gamesHi! I have my ZX Spectrum +2A with a very strange issue regarding games loading. The thing is that I can only load a few games from the Datacorder o…
... have my ZX Spectrum +2A with a very strange issue regarding games ... in both 128K/48K modes. No results.
- I replaced RAM ... 4 Goldstar GM7IC464A-80 chips. No results.
Now I ...
