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Referbished and modded ZX81When I had this ZX81 it wasn?t working very well. It would refuse to tune into my old CRT TV so I decided to get it up and running on modern TV's. I…
... the keyboard plus into were faulty. So I fitted new connections ... -
Tape Clear Out!Right, I'm having a clear out of all the tapes I don't want, I'll upload some cover tapes and big box lists in a bit, but to kick things off, here is…
Another "untested" dead spectrum...Hi, I'm looking for some suggestions on a faulty Spectrum I have picked up. I'll need to wait until tomorrow before posting pics, but the screen is …
... for some suggestions on a faulty Spectrum I have picked up ...Spectrum Not Responding to Keyboard InputHello, sorry if this thread is not in the correct place, This is my first post and I'm not sure where to post this type of thread. :lol: Anyway, I r…
... what the signs of a faulty ULA chip are. Are there ... see if the chip is faulty?
Also I have ...Spectrum + 48k-Diagnosing a dead keyboard/membraneJust purchased a Spectrum Plus (48k), and the keyboard was faulty (for example, when I pressed the " key, a 'p' was displayed on screen, and lots of …
... ),
and the keyboard was faulty (for example, when I pressed ...Under development: COUSIN HORACE - with playable demoHi fellow Spec-chums, for the first time ever, I am publicly disclosing some details about a game I am currently working on. It is an epic adventure…
... immediately to a placeat the edge of the city, otherwise his ...Totally random idea for the hardware nuts to exploreWhen it comes to multi-player games, how hard would it be to generate a second display from a single Speccy, instead of trying to link up machines, s…
... write is exposed on the edge connector. How about applying that ...Something I made in Minecraft...So, this is what I do in my spare time these days (when I'm sure a lot of you will be screaming for me to come back to Speccy-land; I assure you I wi…
... -block-wide lip at the edge of the keyboard and run ...Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…
... unit (BE# signal on the edge connector) but not for the ...Harlequin - usefull mods and addsHello, I start here a thread regarding mods and adds for the Harlequin. It was found: * that the Sinclair Interface 1 does not fully work at the Ha…
... +12V at B22 of the edge connector for pin 40 of ... the associated pins of the edge connector.
Inside the ...Bob's "Save it from the Skip" hardware sale.Recently I mentioned that I'd skip any items I had been trying to selling if they didn't find a taker, so here is the full list of Spectrum hardware …
... ) Spectrum+ with marking to right edge of case. Boots, with responsive ...Edge jigsawI wonder if the name of this jigsaw puzzle is breaking any copyright/trademark laws.... [URL=http://s979.photobucket.com/user/MatGubbins/media/edge…
I wonder if the name of this jigsaw puzzle is breaking any copyright/trademark laws....
[URL=http://s979.photobucket.com/user/MatGubbins/media/edgejig_zps02a9c818.jpg.html][IMG]http://i979.photobucket.com/albums/ae275/MatGubbins/ ...populated Harlequin Rev.D -> Rev.FHi, I like to sell my Harlequin Rev. D board. I modified it to be identical to Rev. F: * switching regulator instead of linear regulator for DC in …
...
* correct clock phase at edge connector (Rev D has same ...Sultan's Maze - Potential remake of CPC game?One of the games I liked on the CPC was Sultan's Maze.. In it, you have to go through Hampton Court Palace's maze and get six jewels, get back, avoi…
... they weren't on the edge of the maze.. and you ...MISSING M1 LINE ON +48????I was posting questions about my DIVMMC enjoy not working on one of my +48`s and have now got round to testing if its cpu related.Trouble is the one …
... read a little about the faulty m1 line and i think ...Bypassing bits of faulty ULAs: the LOAD!Hi everybody, Recently I had a sick Spectrum sent to me. The symptoms were that the machine would run fine, except that it wouldn't load. The border…
Hi everybody,
Recently I had a sick Spectrum sent to me. The symptoms were that the machine would run fine, except that it wouldn't load. The border would just stay white, as though no signal was being picked up. The tape sound plays through ...+2/b +3 edge connector questionI am aware of the device incompatibility introduced with the +2a/b +3 machines but does this also include joystick interfaces?
I am aware of the device incompatibility introduced with the +2a/b +3 machines but does this also include joystick interfaces?Some hardware from JiiiraFor those who haven?t discovered [B][URL="http://jiiira.ajetaci.cz/speccy_hw/index_eng.xhtml"]my webpages[/URL][/B] yet: ;-) [B][URL="http://jiiira…
... an interface with a classic edge connector. [I]([URL="http://jiiira ...+2A: issue 1 no sound but better picture than issue 4?Hello everyone. I have a slight problem here and I am trying to figure out what could be wrong. :-( I have two spectrum +2A with two board revision…
... issue 4, could this be faulty? If not, where should I ...Replacing Rubber Key Membrane 48k - IssueHi, I've replaced the membrane on my 48k rubbber keyboard. When I have the top and bottom loose, but wired up , all keys work fine. When I place t…
... you think I have a faulty membrane? Anyone else experienced this ...Seriously weird Issue 2 issue... (RAM-related)Hi guys; I have been trying to fix up my Issue 2 and have run across a bizarre issue that I haven't seen elsewhere in the forums. Hopefully one of …
... returned 93, so IC18 deemed faulty. Replaced IC18 with socketed 4164B ... returned 171, so IC15 deemed faulty. Replaced IC15 with socketed 4164B ...+3 edge conn issueHi all, Long time 48k user, but recently bought a +3 off Ebay for fun. I made the composite video mod and have her up & running but, Have tried my …
Hi all,
Long time 48k user, but recently bought a +3 off Ebay for fun. I made the composite video mod and have her up & running but,
Have tried my divide (2k14) in it (yes I set the link), and also tried my Spectranet (issue 2 ...New interfaces coming upWell, new versions it should say. The postman just delivered this months Seeedstudio order: [IMG]http://benophetinternet.nl/hobby/vanmezelf/SAM_0620…
... long boards top left are edge extenders used by the PC ...RAM issue for potential 48k buy?Hi guys I've got a 48k in my sight for ?20 but... it has an issue: [QUOTE]"I tested the computer and only displayed a distorted screen. Coloured …
... ]
Would this be faulty RAM chips? I've seen ...Next step for fixing my speccy?Hi guys, I've picked up my faulty Spectrum aiming to fix it. So I followed the excellent JouledperCoulomb videos on Youtube for the basics and I am …
... /> I've picked up my faulty Spectrum aiming to fix it ...What is this disk interface (and how to use it)?Anybody seen this floppy disk drive interface before? It uses an MB8877A and the rest is 74XX-logic, no GALs/PALs. And an EPROM. [IMG]http://i1373.p…
... how this interfaces with the edge connector on the ZX Spectrum ...1st interface in 30 years (update)Hi all, Just a wee update to my "1st ZX interface in 30 years" project. Main IC's: 82C55 three 8-bit port I/O (configured for 12 dig in, 12 dig out…
... ZX interface is different, or faulty mem in the toastrack......who ...Interfaces & ROMsHi everyone, I'm currently looking into the various modern interfaces for the Spectrum to allow me to run all my games from an SD card. I have a few…
... then know which chip was faulty.
Can I even ...QL add-ons valueI've gotten my hands on some QL accesoires: - 2x Trump card 2, only disk interface I think (there's no RAM on them) - 2x CARE Electronics cartridge, …
... RAM?) with batteries
- A edge expansion board
- Centronics interface ...My attempt to restore the CPU clock signalI know Winston has already got this, but I can't see any thread with details about it. Only wanted to share my (still early) results. I'm not taking…
I know Winston has already got this, but I can't see any thread with details about it. Only wanted to share my (still early) results.
I'm not taking about reshaping the ugly shaped clock signal available from the rear bus. I'm following a good ...