Building a TT/MSTe ET4K card

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Steve
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Building a TT/MSTe ET4K card

Post by Steve »

Inspired by artik-wroc's work over on Atari Forum (link)

I ordered some PCB's and parts. Here is my build so far:

I have 4 blank PCBs if anyone wants.
PXL_20250206_160738165.jpg
PXL_20250206_182739725.jpg
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rubber_jonnie
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Re: Building a TT/MSTe ET4K card

Post by rubber_jonnie »

How much do you want for a PCB?
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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Steve
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Re: Building a TT/MSTe ET4K card

Post by Steve »

rubber_jonnie wrote: 06 Feb 2025 18:34 How much do you want for a PCB?
Just a few quid for postage, just message me.
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rubber_jonnie
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Re: Building a TT/MSTe ET4K card

Post by rubber_jonnie »

Steve wrote: 06 Feb 2025 18:35
rubber_jonnie wrote: 06 Feb 2025 18:34 How much do you want for a PCB?
Just a few quid for postage, just message me.
Cool, thanks.
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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mikro
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Re: Building a TT/MSTe ET4K card

Post by mikro »

Wow! How many parts need to be desoldered from the original card?
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viking272
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Re: Building a TT/MSTe ET4K card

Post by viking272 »

Great work Steve! Interesting to see how you get on with the builds.
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HigashiJun
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Re: Building a TT/MSTe ET4K card

Post by HigashiJun »

The blue PCB looks really good !

Have fun building this nice toy.
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Steve
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Joined: 15 Sep 2017 11:49

Re: Building a TT/MSTe ET4K card

Post by Steve »

mikro wrote: 06 Feb 2025 20:42 Wow! How many parts need to be desoldered from the original card?
About 4 chips I think. The et4k, the DAC and two ICS chips.
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DoG
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Re: Building a TT/MSTe ET4K card

Post by DoG »

Steve wrote: 07 Feb 2025 01:15
mikro wrote: 06 Feb 2025 20:42 Wow! How many parts need to be desoldered from the original card?
About 4 chips I think. The et4k, the DAC and two ICS chips.
And the 8 memory chips for 1Mb of video ram. But they are in sockets usually.
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b_squared
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Joined: 23 Jan 2021 06:03

Re: Building a TT/MSTe ET4K card

Post by b_squared »

This is a great idea, I hate having the cables coming out of my Mega STE. But an even cooler idea would be to do it for Mach 64 cards: the ISA versions are hard to find and very expensive, but the PCI versions are plentiful and cheap on eBay and elsewhere.
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