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Re: Amstrad Mega PC

Oh I forgot to update on the situation, the 386sx mobo does not boot even with the properly dumped BIOS. Dioxaz made another dump this time with the correct eprom model but as expected nothing was different. My theory is that you need that gate A20 patch-wire as that kbc pin is directly connected to …

Re: No sound from SC-88VL

did you try the MIDI IN B port? for starters just connect the UM_OUT to 88_IN port cable, there is no need for a 2nd cable for playback maybe try and do a factory reset on the 88VL unit - it can happen the previous owner had configured it to his own setup

Re: Amstrad Mega PC

Well I do not expect much in terms of performance increase, the 486slc was used by amstrad as a selling gimmick because it had 486 in the name... benchmarks will show good improvement due to that 1kb of internal cache but real-life performance is not that drastically different. I once had a 486slc2 …

Re: Amstrad Mega PC

Some news on my side. I managed to dump the BIOS of the PC7486SLC80 using another method as the NSSI one proved not to be reliable (it only dumps a part of it). I removed both high and low BIOS chips and used a TL866II-Plus to dump their contents. Both chips were properly identified by keropi as …

Re: EGA Card Restoration Attempt

well I do have this card, tomorrow morning I can dump and share the BIOS so hopefully the restoration will be successful! https://i.imgur.com/8dDjFlEl.png edit: IIRC from the time I spent with this EGA card the jumper settings are more or less these: https://arvutimuuseum.ee/th99/v/I-L/50064.htm

Re: Wanted BIOS for VG-7000 OTIVGA OTI067 card

scorp wrote on 2020-08-20, 11:29: keropi wrote on 2020-08-17, 17:38: sure - as long as it's not a localized one! thanks! Btw. once you tried, I'd be glad to know if it worked for you, just for experience. ah just saw the posts, thanks! I will give it a go in the following days and report back! need …

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