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Wanted: RGB SCART cable for heatsink 128K and ULA for issue 3 ZX SpectrumHi all, I'm after an RGB SCART cable for a heatsink 128K as well as a replacement ULA for an issue 3 ZX Spectrum (Ferranti ULA from memory). Can an…
... for a heatsink 128K as well as a replacement ULA for an ... issue 3 ZX Spectrum (Ferranti ULA from memory). Can anyone help ... -
Heatsink for ULAHi, My Speccy 48k issue 4s starts to get temperamental when it's been on for a while. Machine itself is fine but loading gradually becomes more unre…
... the ULA might be getting hot.
So perhaps a heatsink ... on the ULA might cure it? Question ... there is to put a heatsink in. What dimensions would I ... ? Has anyone else put a heatsink on their ULA?
Cheers ... -
ULA chipHi. Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ? Also looking for one 7805 heatsink... Thank
Hi.
Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ?
Also looking for one 7805 heatsink...
Thank -
Trying to repair a 128K (heatsink)I've bought another ZX Spectrum 128K (heatsink model), but unfortunately the last owner did not tell me it did not work.... Because this Speccy also…
... bought another ZX Spectrum 128K (heatsink model), but unfortunately the last ... some schematics of the 128K heatsink model. Couldn't find them ... of the ULA.
I took another 128K heatsink model, and ... -
WANTED: 128k+ or 128k +2(early grey mod.) ULA chipHello, Attempting to repair my 128k+ speccy. Needs a ULA(IC1)chip from either a 128k+ or an early +2 will work also. If anyone has this chip or has a…
... 128k+ speccy.
Needs a ULA(IC1)chip from either a ... 's broken(other than the ULA), please give me a shout ... -
Will my joystick adaptor work with a heatsink speccy?Ok ive just bagged a 128k heatsink spectrum on ebay. I have one problem though i have a RAM joystick interface mk2 and im not sure if its ok to use w…
... ive just bagged a 128k heatsink spectrum on ebay.
I ... -
Which interface for heatsink Speccy 128?Hi all, I've just bought a heatsink speccy 128. I also bought a kempston joystick interface, mistake........ Whih interface do I need to plug in a j…
Hi all,
I've just bought a heatsink speccy 128.
I also bought a kempston joystick interface, mistake........
Whih interface do I need to plug in a joystick to this model?
Thanks for any help,
Mikey -
ULA schematicsHi everyone. Some while ago I remember getting hold of some circuit schematics of the innards of the Speccy 48K ULA. Sadly I've since lost the files…
... innards of the Speccy 48K ULA. Sadly I've since lost ... -
ULA?Just curious, what does ULA stand for - I'm guessing Ultra Large (Gate) Array?
Just curious, what does ULA stand for - I'm guessing Ultra Large (Gate) Array? -
The ULA and ScreenI've asked something similar before but please bear with me. I'm trying to understand the way the screen is controlled. The ULA controls output to …
... is controlled.
The ULA controls output to the the ... need to change the ROM,ULA and add more RAM ?? or ... -
sound input causing dead ula in +2 ?I have a dead +2a (it shows static black screen, no border see: [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=9619&forum=4)"]http:/…
... /> I started to think why ula suddenly broke. 'Deadth' posted ... connected tape leads can damage ula.
Also found ... 1b652469b2ff16c9?lnk=st&q=ula&rnum=18#1b652469b2ff16c9"]http ... 1b652469b2ff16c9?lnk=st&q=ula&rnum=18#1b652469b2ff16c9[/ ... -
PC CPU heatsink and fans to cool down Speccy!Ah ha! I've just had an idea! taking apart some scrap PCs I decided to take the CPU heatsink and fan units off and see if I can attach them to the …
... decided to take the CPU heatsink and fan units off and ... can rack half a dozen heatsink and fan units to each ... -
128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
I got 128k spectrum (heatsink model) from a friend of ... for 10 minutes powered up, heatsink gets warm (but not hot ... be -12V?)
ULA is: AMSTRAD 40056 8620
UlaI remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board. It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ? Thanks.
I remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board.
It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ?
Thanks.ZX Spectrum 128+ problemsHello!I recently purchased and got myself a spectrum 128+ from ebay.The item did not have an original power supply so i got a power supply of 9volts …
... the -ve polarity the spectrum heatsink works and the machine seems ... output) or a faulty Ferranti ULA chipset?
Unfortunately ... from tv.
If ULA is the problem does anyone ... know if there are replacement ULA chips?I know that ferranti ...Spectrum ULAHi new to forum ,and have been a speccy owner/fan since the begining{like most 30 somthins on this forum !) Anyway what i want to know is the ULA th…
... want to know is the ULA the same from issue 3 ...Spectrum 128K - Needs Your HelpI have a Spectrum 128K (with the external heatsink on the RHS) it is a 1985 Version 6K mainboard, I got it out of the loft the other day and it wont …
... Spectrum 128K (with the external heatsink on the RHS) it is ... RAM chips (soldered) and the ULA is marked 7K010E5.
Any ...ULA RAS, CAS cycles, refresh and "snow effect"Hello everyone. I have a question, does anyone observed timings of RAS and CAS generated from ULA? I think there may be answer to where the "snow ef…
... and CAS generated from ULA? I think there may ... Ramsoft incorrectly states that ULA doesn't stop CPU ... [LIST=1]
[*]The ULA address drivers do not open ... I'm curious what exactly ULA is doing then.
... reading from it by ULA. The address while bytefetch ...still want a 128k heatsink speccy and a 48k speccy[B][FONT="Comic Sans MS"]Hi all no doubt some of you,know that a few months ago i was looking for a speccy heatsink version(128k).with extras and as …
... was looking for a speccy heatsink version(128k).with extras and ...Serching for ZX printer ULA and ZX interface I ULAIs there anyone having any spares. In both cases, I swapped ULA's from working equipment which fixed things, so I'm 100% sure it's the ULA that is ca…
Is there anyone having any spares. In both cases, I swapped ULA's from working equipment which fixed things, so I'm 100% sure it's the ULA that is causing the problem.
Is there anyone who can help?Did the 128 really need that oversized heatsink?Quick question: Did the 128 generate extra heat (compared to the Plus) to warrant the new heatsink? Obviously the machine carried extra RAM and addit…
... Plus) to warrant the new heatsink? Obviously the machine carried extra ... need for the 128's heatsink, or it just provided a ...DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... try it on my 128 Heatsink Spectrum in order to take ... .
After this 128K heatsink incident i tried the DivIde ... why this happened on a heatsink? The machine wasn't broken ...Spectrum ULA replacement!Hi gang.. The Speccy 48 ULA Replacement is *almost* here ;) There has been lots of activity in building the CPLD board, sorting out some irritating…
... gang..
The Speccy 48 ULA Replacement is *almost* here ;)
Anyway, the machine with ULA replacement doesn't quite boot ...Spectrum 128K HeatsinkJust to let everyone know that I have now listed a Heatsink Spectrum + 128K on ebay - the issue 1 is coming up soon! [url]http://cgi.ebay.co.uk/Sinc…
... I have now listed a Heatsink Spectrum + 128K on ebay - the ... .uk/Sinclair-ZX-Spectrum-128K-Heatsink-RARE-TESTED_W0QQitemZ350044547933QQihZ022QQcategoryZ11994QQssPageNameZWDVWQQrdZ1QQcmdZViewItem[/url]
ULA Book - Target Audience?This is probably of most intrerest to hardware chaps, but a greater community input would be good. I've been turning all my ULA analysis into a love…
... been turning all my ULA analysis into a lovely ... "The Sinclair ZX Spectrum ULA". I'm doing this ... time as creating a complete ULA replacement, so effort is ... features of the machine the ULA encapsulates.
Do I ... the specifics of the ULA internals, it's going ...ULA Replacement WORKS !Hi chaps. Lots of activity over the last couple of weeks, and _finally_ we have [B]a working ULA replacement[/B] !! The analogue components such …
... we have [B]a working ULA replacement[/B] !!
The ...One's speccy is unwell, can anybody help?Hi chaps! This would be my first post here, so hello to all :smile: I've got a 128+ heatsink speccy that seems to have a display issue whereby after…
... /> I've got a 128+ heatsink speccy that seems to have ... anything to do with the ula getting a bit too hot ...Inside the ULAI've recently updated my Blog with the news that I've managed to get inside a 6C001E ULA and have got close up images of the die. I'm currently back-…
... to get inside a 6C001E ULA and have got close up ...
