MaximilianM wrote: Sat Oct 03, 2026 4:22 pm fixed it, the IC on U11 was broken, now everything works
Can all registered uses please login, even just for a few minutes..
It helps build a picture where our "good traffic" is coming from..
Thanks :)
It helps build a picture where our "good traffic" is coming from..
Thanks :)
4MB RAM upgrade for C103414-001 Rev 1.1 (520/1040 STFM)
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rubber_jonnie
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Re: 4MB RAM upgrade for C103414-001 Rev 1.1 (520/1040 STFM)
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...
Re: 4MB RAM upgrade for C103414-001 Rev 1.1 (520/1040 STFM)
Awesome!
So I was wrong then. It was bit 7 on the other bank. I'm really sorry if I mislead you.
Great that you got it working eventually. Great learning experience though 
So I was wrong then. It was bit 7 on the other bank. I'm really sorry if I mislead you.
Great that you got it working eventually. Great learning experience though