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by rubber_jonnie
Sun Oct 11, 2020 4:13 pm
Forum: HARDWARE ISSUES
Topic: Power supply takes out YM2149
Replies: 6
Views: 206

Re: Power supply takes out YM2149

My advice would be get a Meanwell RD-50A. They are very inexpensive (under £20 excluding delivery) and you can still fit them to the Atari PSU subframe and retain the switch/IEC socket and allow for an external look that stays faithful to Atari. This is one in my Mega 4: Meanwell_Mega4.jpg I know fo...
by rubber_jonnie
Sun Oct 11, 2020 4:08 pm
Forum: CHAT FORUM
Topic: Anyone suffer with Allergies ?
Replies: 40
Views: 1184

Re: Anyone suffer with Allergies ?

Yes, as I have got older I am definitely more susceptible to allergies, and find myself taking anti-histamines much more often than I used to.
by rubber_jonnie
Sun Oct 11, 2020 4:06 pm
Forum: CHAT FORUM
Topic: 4MB RAM upgrade future changes ?
Replies: 5
Views: 162

Re: 4MB RAM upgrade future changes ?

exxos What are the other options though? As you say, the boards are massively varied, but MMU and Shifter are common points that can be relied on board to board. What about a slightly different tack? Move the RAM and logic over to the Shifter board, then have an MMU relocator that uses one of those...
by rubber_jonnie
Sun Oct 11, 2020 3:49 pm
Forum: RAM UPGRADES
Topic: 4MB MMU Adapter Issue
Replies: 16
Views: 413

Re: 4MB MMU Adapter Issue

I think you'll need to do as exxos suggests and disable the old RAM first, having the original and new banks enable together won't work very well with 4MB enabled. You also need to check the fit and orientation of the MMU adaptor to ensure it is making a good connection, and that pin 1 is correctly ...
by rubber_jonnie
Sat Oct 10, 2020 5:09 pm
Forum: 8 BIT CORNER
Topic: 800XL memory upgrade options in UK
Replies: 7
Views: 510

Re: 800XL memory upgrade options in UK

Thanks @rubber_jonnie - certainly worth considering then. I'm always a little wary about upgrade cards that do a lot of extra things for very old machines - before you know it, the original hardware is not really needed at all and it starts to defeat the object (for me at least). I'll definitely gi...
by rubber_jonnie
Sat Oct 10, 2020 1:32 pm
Forum: 8 BIT CORNER
Topic: 800XL memory upgrade options in UK
Replies: 7
Views: 510

Re: 800XL memory upgrade options in UK

IMHO unless you can find a specific upgrade, or schematics to do one, the Ultimate 1MB from Lotharek is the best option. It gives you the option to use it like a RAMBO or other upgrade, all the way to 1MB and when combined with the SIDE cart really makes using your machine a lot easier. You might wa...
by rubber_jonnie
Fri Oct 09, 2020 8:43 pm
Forum: PSU (power supplies)
Topic: NEW MSTE/TT & ST PSU ? (well not really)
Replies: 4
Views: 1656

Re: NEW MSTE/TT & ST PSU ? (well not really)

Don't forget it's relatively easy to build your own PSU for the standard ST.

https://www.exxoshost.co.uk/forum/view ... &hilit=PSU
by rubber_jonnie
Fri Oct 09, 2020 10:54 am
Forum: STE / MSTE 68020 booster
Topic: STE / MSTE 68020 booster
Replies: 36
Views: 12610

Re: STE / MSTE 68020 booster

Cool to hear you're still hard at it on this one, as a Mega fan I would possibly be interested in a couple.
by rubber_jonnie
Fri Oct 09, 2020 9:52 am
Forum: CHAT FORUM
Topic: IDE KITS
Replies: 21
Views: 650

Re: IDE KITS

JezC wrote:
Fri Oct 09, 2020 9:43 am
rubber_jonnie wrote:
Fri Oct 09, 2020 9:33 am
Hmm, H4/H5 Mega has a nice ring to it, and loads of space for expansion :)
:thumbup: :goodpost: :bravo:
+1 for that!

Any chance of it in reality though? Sadly I doubt it, given how busy @exxos is already
:poke: :hide:
If there was I'd be pre-ordering two!!

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