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by rubber_jonnie
Thu Oct 15, 2020 1:39 pm
Forum: HARDWARE ISSUES
Topic: Problems with my Atari 1040STf
Replies: 30
Views: 676

Re: Problems with my Atari 1040STf

Is your Gotek set up as S0? That is the only jumper you need.
by rubber_jonnie
Thu Oct 15, 2020 9:10 am
Forum: RAM UPGRADES
Topic: 4MB MMU Adapter Issue
Replies: 16
Views: 383

Re: 4MB MMU Adapter Issue

MonoJono Just get the SILs from your usual supplier, there is nothing unusual or special about them. Just get the values recommended in the mandatory fixes post. You should do all 3 really. However you should also consider that your PCB had had a lot of handling lately. I know from personal experie...
by rubber_jonnie
Thu Oct 15, 2020 8:58 am
Forum: MEMBER BLOGS
Topic: Stuff and Things.
Replies: 379
Views: 43267

Re: Stuff and Things.

Yeah the vLA81 is out of stock everywhere. :-/ I wonder when Charles will make some more, if ever. I have emailed him to ask how I can get one. I guess I'll wait and see what happens, but I just found an original ULA on eBay for £150+, which I most certainly am not paying!! I'm a little surprised n...
by rubber_jonnie
Wed Oct 14, 2020 11:36 pm
Forum: MEMBER BLOGS
Topic: Stuff and Things.
Replies: 379
Views: 43267

Re: Stuff and Things.

Ok, Amiga 1200 off the list of projects, fully recapped thanks to a kit from Amigakit and a new keyboard membrane from RWAP. My ZX81 has a nice new keyboard membrane waiting to go in, and I have installed the replacement guts to the modulator, also from RWAP, which gives a lovely composite signal ou...
by rubber_jonnie
Wed Oct 14, 2020 4:38 pm
Forum: ATARI FOR SALE & WANTED
Topic: FOR SALE MEGA ST CASE UK
Replies: 21
Views: 557

Re: FOR SALE MEGA ST CASE UK

exxos wrote:
Wed Oct 14, 2020 3:54 pm
I only have 2 keyboards, both need repairs and new key caps. The only other mega stuff I have is my test board now. I've got 2 hard drives like the metafile but 3rd party. Mostly I got them for diagnosing DMA faults. They be up for grabs once I test them out.
Keyboards are DEFINITELY of interest
by rubber_jonnie
Wed Oct 14, 2020 3:07 pm
Forum: ATARI FOR SALE & WANTED
Topic: FOR SALE MEGA ST CASE UK
Replies: 21
Views: 557

Re: FOR SALE MEGA ST CASE UK

I thought you meant the Unicorn... :lol: :roll: My daughter would probably commit numerous crimes to get an actual Unicorn... I expect many daughters would commit actual crimes to get their hands on a actual Unicorn! DoG My first Mega 4, for £65, came via a FB buy and arrived missing a Blitter and ...
by rubber_jonnie
Wed Oct 14, 2020 1:43 pm
Forum: NEWS & ANNOUNCEMENTS
Topic: Moderator Announcement: Correct procedures for uploading files to the forum
Replies: 0
Views: 118

Moderator Announcement: Correct procedures for uploading files to the forum

Hi All Please remember that if you are wanting to share files with other users on the forum that the procedure is to upload the files to the forum and not link to external sites. If an external link fails for any reason, and they sometimes do, then we lose all connection to the files and they are lo...
by rubber_jonnie
Wed Oct 14, 2020 1:21 pm
Forum: RAM UPGRADES
Topic: 4MB MMU Adapter Issue
Replies: 16
Views: 383

Re: 4MB MMU Adapter Issue

I'm pretty sure that there is no direct connection from the MMU to the floppy as I traced a lot of the pins between chips the other day on the schematics for a floppy problem I'm looking at. There are connections from the WD1772 to a 74LS02, a 74LS06, the YM2149 and the DMA, but none that I have fou...
by rubber_jonnie
Wed Oct 14, 2020 11:49 am
Forum: ELECTRONICS
Topic: desoldering a dil 68000
Replies: 11
Views: 211

Re: desoldering a dil 68000

+2 for the de-solder gun, it's been the best tool I ever bought and has saved a lot of time and is generally kind to the PCBs if you use it properly. I use mine at anywhere between 350C and 450C dependent on solder type, thermal mass (Ground & power planes etc). The sweet spot for STs seems to be ab...
by rubber_jonnie
Wed Oct 14, 2020 9:23 am
Forum: ATARI FOR SALE & WANTED
Topic: FOR SALE MEGA ST CASE UK
Replies: 21
Views: 557

Re: FOR SALE MEGA ST CASE UK

JezC wrote:
Wed Oct 14, 2020 8:03 am
Now all @rubber_jonnie needs is a proper Mega ST keyboard... :hide: :poke:
As I like to say, 'good luck with that'.

Also, unicorns.

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