ATW800/2 in a MonSTErbo powered STE

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HigashiJun
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Re: ATW800/2 in a MonSTErbo powered STE

Post by HigashiJun »

Made more tests and discovered that the safest ROMs to use are eventually the ones on the ATW800/2.

When I use the Monsterbo ROMs or motherboard ROMs (fitted on the Ghost adapter), everything works fine when the Alt-ram is disabled,

With Alt-ram on, I have various issues arising.
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rubber_jonnie
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Re: ATW800/2 in a MonSTErbo powered STE

Post by rubber_jonnie »

HigashiJun wrote: 20 Jun 2026 10:19
rubber_jonnie wrote: 20 Jun 2026 09:48 Just looking at the pics and I'm wondering if you'll have space for a couple of TRAMs in there as well?
Yes, still enough room for 2 TRAMs.

;)
Cool, do you think you'll get any? I got a couple from @Steve ,they're a very snug fit in my MSTE.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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HigashiJun
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Location: Tokyo

Re: ATW800/2 in a MonSTErbo powered STE

Post by HigashiJun »

@rubber_jonnie

Hmm, quite tempting question...

I'm just afraid that if I install TRAMs there will be issues with the Alt-ram.

Maybe @Steve has the answer ?

Would you post a picture of your TRAMs ?

Thanks.
Steve
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Re: ATW800/2 in a MonSTErbo powered STE

Post by Steve »

@HigashiJun you won't get any additional alt ram problems with the TRAMS, they run in their own little world outside of the Atari address space.
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rubber_jonnie
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Re: ATW800/2 in a MonSTErbo powered STE

Post by rubber_jonnie »

@HigashiJun These are the TRAMs @Steve kindly supplied me:

TRAM.jpg

And here they are installed on the ATW800/2:

Installed.jpg

I would add that there seem to be various different TRAM boards out there so the 'installed' image should not be considered a de-facto install, you should check how the modules you have install.

There should be a marker/arrow on the corner that lines up with a similar marking on the ATW sockets. They install in opposite ways.
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Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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HigashiJun
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Joined: 19 Jun 2020 07:21
Location: Tokyo

Re: ATW800/2 in a MonSTErbo powered STE

Post by HigashiJun »

@Steve, thank you for your confirmation.

@rubber_jonnie Your TRAMs look good !

If I manage to get my hands on a couple of reasonably priced TRAMs, I guess I will take the plunge.

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