Help with 4mb ram upgrade on 520ST C070243 REV. B
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llanquin
- Posts: 5
- Joined: 27 Mar 2023 05:26
Re: Help with 4mb ram upgrade on 520ST C070243 REV. B
i really didn't wanted to cut the ram so i started to remove them slowly one by one, i recon is the best thing to do after-all. thanks everybody for the responses, i will post my progress :)
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rubber_jonnie
- Site Admin

- Posts: 14888
- Joined: 17 Aug 2017 19:40
- Location: Essex
Re: Help with 4mb ram upgrade on 520ST C070243 REV. B
Be aware the traces are quite fragile, so take your time and don't overheat the pads if you can.llanquin wrote: 31 Mar 2023 07:22 i really didn't wanted to cut the ram so i started to remove them slowly one by one, i recon is the best thing to do after-all. thanks everybody for the responses, i will post my progress :)
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...
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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