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DivMMC with other components..Having transferred my loyalties from the IF1bis to the DivMMC, I have finally been able to spend some time trying to set mine up on my ZX Spectrum. I…
... on one of my other Issue 3 Spectrums, I now have the ... ]
I have a similar issue too. The problem seems to ... -
48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …
... ULA, found on Issue 1 and early Issue 2 boards. ... internally, however a further issue concerning I/O to ... in machines containing this ULA (Issue 2 boards).
[*] ... TV makes. Found on Issue 3 boards, spider mod was ... of RAM. Found on Issue 4A and above boards.< ... -
48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …
... reckon it's good for issue 1-3 machines. Not a clue ... />
I'd say till Issue 2 then, as your picture ... confirmed to be compatible with Issue 3. -
48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …
... ;759916]I'd say till Issue 2 then, as your picture ... confirmed to be compatible with Issue 3.[/QUOTE]
The ULA ... -
My TV is dying....oh no's!So I'm thoroughly enjoying my return to Spectrum life at the moment. But something is becoming clear to me. Or to be more exact, clearly fuzzy to me.…
I have found that my issue 2 motherboards are having problems ... explained by Mark) TV, where issue 3 and on will synch better ... composite mod. All of the issue 2 board were re-capped ... -
48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …
... ?
It looks like Issue Two circuit boards were made ... 6C001E-6 boards before the Issue 3 circuit boards were made. -
NOW look at what SpecBAS can do![img]https://sites.google.com/site/pauldunn/specbas_32.png[/img] Here's the code: [code] 10 WINDOW NEW w,0,0,SCRw,SCRh BPP 32 20 FOR f=1 TO 512 30 …
... /> I got the purple screen issue 3 years ago but my unit ... -
48k no beeper sound (again!)Got three 48k+ here, all of which have the same exact problem, no sound out the beeper, same problem as detailed [URL="http://www.worldofspectrum.org…
Board issue numbers? All issue 3 or above I take it?< ... -
48k no beeper sound (again!)Got three 48k+ here, all of which have the same exact problem, no sound out the beeper, same problem as detailed [URL="http://www.worldofspectrum.org…
... current range.
On the issue 3 Spectrum that I have to ... -
Interesting/Unusual ZX81Hello I am shopping for a ZX81 and while I was browsing Ebay today, I came across one that is described as "having a 64K chip." When I saw the ad t…
... />
I've got an issue 3 '81 that has an almost ... -
Interesting/Unusual ZX81Hello I am shopping for a ZX81 and while I was browsing Ebay today, I came across one that is described as "having a 64K chip." When I saw the ad t…
I got the issue 3 I mentioned earlier for ?15 ( ... -
Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…
... -590840, (Issue 3)
011-809283, (Issue 3B)
016-883193, (Issue 3B)
Issue 3B)
028-130891, (Issue 3)
045-345552, (Issue 3B)
S01-035639, (Issue 4S) -
VERY loud beeper!!I recently replaced a dead beeper with another from an old set of headphones, only this is MUCH louder! Is there a way of bringing the volume down a …
... according to my diagrams the Issue 2 board speaker is driven ... power at the speaker. The issue 3 board use a ZTX 450 ... not sure about the other issue boards and will have to ... -
VERY loud beeper!!I recently replaced a dead beeper with another from an old set of headphones, only this is MUCH louder! Is there a way of bringing the volume down a …
The issue 5 and issue 6 schematics show TR7 collector ... the +9V rail.
Issue 3 and issue 4 schematics show TR7 collector ... it, I will check an issue 3 board that I have.
HORACE MINER 2Hi folks, Horace Miner 2 is now available. Please use a 48K Spectrum to run this. [url]http://stevebroad.x10.bz/spectrum/download/HoraceMiner2rele…
... ;773693]I use Spectaculator with issue 3 keyboard.[/QUOTE]
A ...Official Basinc thread - Bug reports and other discussionI just released a new BASin fork, basinc. The first official release was V16r2, and today it's r3. it's uploaded to wos archive and alternatively, h…
... prototype ULAplus board in an issue 3 Spectrum. And thanks to Karingal ...Composite video mod on +2 grey: same as 48k?Hello all, Sorry for the n00b question but I couldn't find an answer yet... I did a composite video mod for the 48k in the past. Now I got a 128k +…
... possible on a +2 grey issue 3?
Or would he need ...Composite video mod on +2 grey: same as 48k?Hello all, Sorry for the n00b question but I couldn't find an answer yet... I did a composite video mod for the 48k in the past. Now I got a 128k +…
... possible on a +2 grey issue 3?
Or would he need ...Strange ZX81 PCBHello I took apart my non-working ZX81 to attempt to fix it and I noticed that the resistors and diodes were soldered a bit strange. The wires are c…
Hmm.. I can only think that it was an assembly error in a small batch of boards that caused this.
Those boards are issue 3, and to my knowledge only issue 1 ZX81 boards were offered in kit form.
BNever saw that before on a black +2Today I opened a freshly arrived black +2. First I was amazed not to see an Astec HF modulator, then I spotted the "Issue two". So far I always found…
... /> I've never seen an ISSUE 3 in any of the photos ... [I]do [/I]have an ISSUE 3 Z70833 can I [B]please ...Spectrum rubber key memory upgradeIf a 16k spectrum has a 32k fox upgrade kit installed anyone any idea what board revision we would be expecting to find in this machine? And was this…
... needs touching.
Only issue 3 boards and up have the ... to be used in an issue 2.
BX=Y=ZFirst public outing of X=Y=Z for the 48K Spectrum, a 4-level demo which can be download from: [as TZX] [URL="http://www.bobs-stuff.co.uk/extras/xyzd…
... .0) (tried with both the "Issue 2 Keyboard" setting ticked and ... in SpecEmu (with either Issue 2 or Issue 3 keyboard selected) so I ... whether this is a Fuse issue or something else. I will ... . Some sort of subtle timing issue, or floating bus ...X=Y=ZFirst public outing of X=Y=Z for the 48K Spectrum, a 4-level demo which can be download from: [as TZX] [URL="http://www.bobs-stuff.co.uk/extras/xyzd…
... .0) (tried with both the "Issue 2 Keyboard" setting ticked and ... in SpecEmu (with either Issue 2 or Issue 3 keyboard selected) so I ... whether this is a Fuse issue or something else. I will ...X=Y=ZFirst public outing of X=Y=Z for the 48K Spectrum, a 4-level demo which can be download from: [as TZX] [URL="http://www.bobs-stuff.co.uk/extras/xyzd…
... .0) (tried with both the "Issue 2 Keyboard" setting ticked and ... in SpecEmu (with either Issue 2 or Issue 3 keyboard selected) so I ... whether this is a Fuse issue or something else. I will ... sort of subtle timing issue, or floating bus issue maybe?[/QUOTE]
The ULA6C001E-5...Hi everybody, I have been continuing my Quest for the Holy ULA, and have today taken delivery of a ULA6C001E-5. Now, the -6 was used in Issue 3 boar…
... , the -6 was used in Issue 3 boards, so what was the ... got it running in my Issue 3 48K here, but it's ... wrong. I suspect a timing issue, perhaps what they fixed in ...ZX Spectrum 48K Issue 3, loss of -5V rail.Hi all, I've googled this problem and poured over the electrical diagrams for the circuitry concerning the power supplies and I believe I know what …
... /Technical/Hardware/ZXSpectrumIssue3-Layout.php"]issue 3 here[/URL]
This ...ZX Spectrum 48K Issue 3, loss of -5V rail.Hi all, I've googled this problem and poured over the electrical diagrams for the circuitry concerning the power supplies and I believe I know what …
... thinking that you had a issue 3 board, when in fact you ... have an issue 3B board.
The ...
