-
48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…
... a Specchums wants a nice Spectrum 128K with the best possible ... compatibility with the original 48K and the best possible setup ... real Spectrum, not with different border colors, etc.)
-Fix port 255 issue ... -
48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…
... a Specchums wants a nice Spectrum 128K with the best ... possible compatibility with the original 48K and the best possible ... real Spectrum, not with different border colors, etc.)
-Fix port 255 issue ... EXACTLY the same as the spectrum 128k roms - you get ... -
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…
... br />
My issue 1 Spectrum (from eBay) has S ... sticker that says "48K" and this issue 1 has the ... the case of a issue 1 or issue 2 Spectrum.
My original Spectrum, bought in 1984 from the ... Spain, Investronica, is a issue 3B board, with S/N: ... -
Which reset method on ZX 48K?What reset method is correct on issue 3b ZX 48K: One wire to R68 and one to C27 (Manual from ZX Spectrum +) or One wire to Pin 26 from CPU and one …
[QUOTE=-Micky;425943]What reset method is correct on issue 3b ZX 48K:
One wire to R68 and one to C27 (Manual from ZX Spectrum +) or
One wire to Pin 26 from CPU and one to GND[/QUOTE]
They're the same thing. -
Which reset method on ZX 48K?What reset method is correct on issue 3b ZX 48K: One wire to R68 and one to C27 (Manual from ZX Spectrum +) or One wire to Pin 26 from CPU and one …
... reset method is correct on issue 3b ZX 48K:
One wire ... to C27 (Manual from ZX Spectrum +) or
One wire ... -
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…
... Color: Blue PCB: Issue 3B
Sinclair Spectrum 48K
Serial: D01 ... -230621 Color: Green PCB: Issue 3B (Now has ... Color: Green PCB: Issue 3B
Sinclair Spectrum 16K
Serial ... -
Powering up a Speccy after long-term storage.Staying at my folks for Christmas. Feels good to be back in God's country again, even if it is -12C outside at the moment. :-o Anyway, I was plannin…
... (12V rail) (this is for issue 3B board)
Unless ... with polarity!!!!!!
- Connect the Spectrum to the already turned on ... power on, in which the border is white, and random blocks ... perform these tests: a working Spectrum emits a "buzzz" sound ... -
Rubber Key ZX Spectrum - White ScreenA customer has just telephoned me about a rubber key 48K ZX Spectrum which he has purchased second hand. It produces just a white screen on the tele…
... me about a rubber key 48K ZX Spectrum which he has purchased ... . (TR1 and TR2 on the issue 3b schematics I have in front ... -
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…
This is my original ZX Spectrum 48k (Rubber key) which I' ... Made in U.K
Issue 3B
CPU - NEC 8350
Made in U.K
Issue 3B
CPU - SGS Z80A ( ... Made in U.K
Issue 3B
CPU - NEC 8402< ... Made in U.K
Issue 4A
CPU - Mostec ... -
Amperage drastic reduction in a rubber 48KWell, I am now with the approach of a drastic reduction ZXSpectrum amperage. As a first step would change the Z80 processor for other (Z80C). Unfortu…
... Z80s work fine in a 48K Speccy, I have a couple ... than enough to run the spectrum and some peripherals as well ... and Ah to get a Spectrum portable. I found a 12V ... clear that I have my issue 3b with 1000mAH 9V now and ... -
joystick interface working with divide?hi i have the ram 2 joystick inteface but cant get it to work with divide. is it possible?! regards
...
1. 48K Rubber Keybaord (issue 3B)
2. 48K+ (issue 4B)
3 ... . 128K (Toast Rack)
4. Spectrum ... -
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…
... as I am aware the spectrum 48k/48k+/128k and the Grey 128 ... play on our (working, issue 2) 48k spectrum until a couple of days ... regulators on both the issue 2 and issue 3b spectrums at the same ... the membrane.
The issue 3b now doesnt buzz when we ... -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... developers fix this issue.
What about Spectrum 48K and Spectrum 128K/+2 ... ? Do you know for sure if border ... -
Price of nice condition issue 1 48K Speccy?I recently came across a 'really great example' issue 1 48K Spectrum on the Internet for ?250 with RF Cable, Mic ear Cable, PSU, Manuals and the Hori…
... -453782 Issue 2 – 48K
014-866396 Issue 3B - 48K
028-134429 Issue 4B - 48K
109-216471 Issue 6B - 48K Spectrum+
Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…
... to ceramic ones on the ISSUE 3B board. (both were 1uF 50V ... approach... :-) found in the "ZX Spectrum DIY Cook Book" under the ... are "continued" inverted on the border... But overall I liked that ...Double keystrokes on zx spectrumHappy New Year everyone. I have this spectrum 48k issue 3b I?ve been working on now and then. I have replaced upper rams, installed a lower ram repla…
... suspect ULA in your other Spectrum? If yes, does it now ... your other Spectrum, try putting it back in your issue 3B to see ... this? Well, because working Spectrum 16k/48k ULA's are rare and ... efforts to fix your faulty Spectrum :)
[B][I]Mark ...Spectrum 48k Power Supply?Guys - I've got a Spectrum 48k inbound from the UK. I want to scrounge a power supply to use when it arrives. What size jack did it use and what ar…
... DC approx. (problem corrected on issue 3B and all following board versions ... have a choice. Although all issue boards will work with a ... voltage.
An unexpanded 48k model will run off a ... rating does not bother the Spectrum:-)
[b][i] ...Spectrum 48k Power Supply?Guys - I've got a Spectrum 48k inbound from the UK. I want to scrounge a power supply to use when it arrives. What size jack did it use and what ar…
[quote="1024MAK;896559"]Which board issue is it?
Early ... DC approx. (problem corrected on issue 3B and all following board versions ... .
An unexpanded 48k model will run off a ... rating does not bother the Spectrum:-)
[b][i] ...Send in the ClonesPlease name all the Spectrum clones out there ( I would say I need it back on my desk in 5 minutes , but I will be a bit more generous in this case!…
... a development of the Sinclair Spectrum 48K...
In ... therefore developments of the Sinclair Spectrum 48K...
Of ... for Sinclair Spectrum 16k/48k issue 1 and issue 2 boards ... , +2B, +3 and +3B there were further compatibility problems ...Send in the ClonesPlease name all the Spectrum clones out there ( I would say I need it back on my desk in 5 minutes , but I will be a bit more generous in this case!…
... therefore developments of the Sinclair Spectrum 48K...
Of ... written for Sinclair Spectrum 16k/48k issue 1 and issue 2 boards ... 2A, +2B, +3 and +3B there were further compatibility problems ... separate entries for +2B and + 3B.
Thank ...Spectrum +2 datacorderHi, my Spectrum +2 datacorder isn't working. Does anyone know if I can still load software through the tape/sound socket at the back of the machine i…
... if you put a spectrum 48k sound cable you are ... issue 3 board I hear the sound but the border ... bottom half containg the Issue 1 board it works ... between 128k +2 grey Issue 1 ULA and 128k + ... Could 128k +2 grey Issue 1 and Issue 3 boards contain different ...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 …
... this 48k Spectrum has to be opened up . It was a 1983 Issue 3B ... with yellow 48k stickers on the bottom ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
An Issue 3b 48k 1983 .
This 48k spectrum has an upper Ram fault thought to be at IC21 . Here are the pics of the chip involved:-
[url="https://i.imgur.com/DfrMdOw.jpg"]https://i.imgur.com/DfrMdOw.jpg[/url]Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
[quote="harriusherbartio;961660"]An Issue 3b 48k 1983 .
This 48k spectrum has an upper ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
...
Working on these Issue 3b 48k Spectrum PCB proved to be tricky ...ZX SPECTRUM 48K FOR SALEI HAVE A FULLY WORKING EXCELLENT CONDITION ZX SPECTRUM FOR SALE INCLUDES GAMES - PROGRAM BOOKS - CASSETTE DECK ?25.00
I HAVE A FULLY WORKING EXCELLENT CONDITION ZX SPECTRUM FOR SALE
INCLUDES GAMES - PROGRAM BOOKS - CASSETTE DECK
?25.00retroI to have old computers started in 1982 with the rubber key issue 3 spectrum 48k then expanded the collection over the years to include a bbc b, elec…
... 1982 with the rubber key issue 3 spectrum 48k then expanded the collection ... to this forum but the spectrum still has a special place ...Solution for overwritten stack in 48k SNA filesIt has been known for quite some time now that the 48k SNA file format has one serious fault, which is described in the file formats section on the W…
... some time now that the 48k SNA file format has one ... screen. In the time of 48k Spectrums the programmers were using ...
(author of the ZX Spectrum 48k emulator)spectrum polyHi im looking for a replacement poly for my spectrum 48k , unlike my spectrum and box which has only a small fault after 15 years in the loft , alas…
Hi im looking for a replacement poly for my spectrum 48k , unlike my spectrum and box which has only a small fault after 15 years in the loft , alas the poly didnt make it ,
so if any of you chaps have a spare one by chance please let me knowFaulty Spectrum?PLease can somebody help have just bought a ZX Spectrum 48K And the Hobbit game, i cannot get this game to load it crashes right at the end of the l…
... /> have just bought a ZX Spectrum 48K
And the Hobbit game ... ,
can i test the spectrum?
