Search found 149 matches

by McKlaud
Thu Sep 20, 2018 12:38 am
Forum: Sinclair Misc
Topic: Jupiter ACE (again)
Replies: 7
Views: 101

Re: Jupiter ACE (again)

Lardo Boffin & brozier Thanks a lot. There is a small chance that I will make another limited batch of the PCBs and PCBs only. But first things first and I am going to do more tests with my boards. To be honest I've never planed that this PCB would be available in large numbers. 1024MAK Thanks a lo...
by McKlaud
Wed Sep 19, 2018 8:38 am
Forum: Sinclair Misc
Topic: Jupiter ACE (again)
Replies: 7
Views: 101

Re: Jupiter ACE (again)

Hi Paul, Thanks a lot. I made a very small batch of these boards, but I would be able to find one for you. To be honest the PCBs are not perfect and 3 traces have to be cut in keyboard area, where I made mistakes. Bear in mind that the idea was to keep this board as close as possible to the original...
by McKlaud
Tue Sep 18, 2018 9:55 pm
Forum: Sinclair Misc
Topic: Jupiter ACE (again)
Replies: 7
Views: 101

Jupiter ACE (again)

Hi all, I was looking for a nice example of Jupiter ACE but prices made me thinking about making the computer by myself. I did my homework and looked at Grant's website and a few others. After a few weeks of thinking I redrawn the PCB from available photos and others works, made minor modifications ...
by McKlaud
Tue Sep 18, 2018 8:19 pm
Forum: GAMES
Topic: JetPac for the ZX81
Replies: 2
Views: 127

Re: JetPac for the ZX81

Nice :)
by McKlaud
Tue Aug 21, 2018 10:46 pm
Forum: Hardware
Topic: ZX81 essential maintenance?
Replies: 21
Views: 688

Re: ZX81 essential maintenance?

I can only add to all items pointed out by Mark, that Sinclair's RAMpack (16K) was built with 4116 RAM chips and there is a circuit which generates all required voltages. Capacitors there are critical one if you use the pack continuously. The same issue like with any newer ZX Spectrum 16K/48/+ lower...
by McKlaud
Tue Aug 21, 2018 10:38 pm
Forum: Hardware
Topic: Dragons Lair SD card on sell my retro
Replies: 12
Views: 619

Re: Dragons Lair SD card on sell my retro

I've got a special edition SD card + the card with Jim's signature. :)
by McKlaud
Tue Aug 14, 2018 12:51 am
Forum: SALES
Topic: ZX81 ULA
Replies: 65
Views: 5285

Re: ZX81 ULA

Andy, it looks like you have a production line in the back garden ;) Keep going as the demand is there.

BTW finally I fitted one of your ULAs to my dead Zeddy's board and it works like a charm.
by McKlaud
Tue Aug 14, 2018 12:42 am
Forum: Sinclair Misc
Topic: ZXZine #5 Posted
Replies: 3
Views: 914

Re: ZXZine #5 Posted

Well done and keep going.
by McKlaud
Thu Aug 09, 2018 12:48 am
Forum: Hardware
Topic: ZX Spectrum+ 128K Toastrack Repair
Replies: 11
Views: 281

Re: ZX Spectrum+ 128K Toastrack Repair

Spider poo :mrgreen: Wipe it out and look somewhere else for a fault.