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Re: Can this Gravis Ultrasound PnP be repaired?

From what I have read so far and what I can reply to - pulling the PALCE16V8H chip is basically equivalent to pulling the card out of the computer. That's something I explicitly tested: pulling the PAL did nothing to the function of the Interwave as a soundcard. It worked perfectly fine without, it …

Re: Can this Gravis Ultrasound PnP be repaired?

Without any data, it won't get detected. With corrupted data, anything might be possible. But in any case, that's pretty easily fixable: pnpmap.exe from e.g. shock__'s thread can load it with a working config (just run it as 'pnpmap gravnocd.rom' (which will disable the IDE): https://www.vogons.org/ …

Re: Can this Gravis Ultrasound PnP be repaired?

I've used unisound on all sorts of boards, also without a PnP BIOS and it works well. I've also put your card's picture and mine next to each other: the routing seems identical, just the ROM is reversed. Since you're seeing more of those, there seems to have been some production issue then and …

Re: Open Source PC104 Soundcard

MJay99, where have you seen the BLM31PG601SN1L ? I am simply unable to find it in this This time I am missing something I guess:) I can see it e.g. on the bottom of the project's website here: https://circuitmaker.com/Projects/Details/rasteri/PC104-soundcard-3 I also checked the link again I posted …

Re: Open Source PC104 Soundcard

Presently the MFBW1V3216-000-R mentioned in the BOM is unavailable. As my electronics knowledge is kind of lowish, I'd really appreciate if someoune coould suggest an available replacement, even better a direct mouser or digikey link. I had a quick look into the BOM and the website also, but didn't …

Re: HardMPU, anyone?

My, it's already been a bit since I built one of these and I seem to have forgotten that optocouplers are specified for the RXD and not for the TXD side. So, your cable, if built according to the PDF, should actually be fine and working, though it never hurts verifying the simple things, of course. …

Re: HardMPU, anyone?

Just wondering if this type of behaviour is similar to what you were seeing or if any of the community members might have any ideas. As this might affect the MIDI communication to the device and since I didn't see you mention anything about this: are you using a proper adapter cable (i.e. one that …

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