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AMD Geode? Interesting. So there are boards with means to expose LPC directly, even predate TPM...
Does your board also expose a LDRQ# signal? If so then you should be able to connect the adapter to the bus with little effort.
The software part is specific to Intel. The host LPC bridges of different chipset manufacturers are placed and configured differently so one would have to write different code to handle them.
You need to inspect your PCI topology and find where your chipset's LPC (ISA) bridge is. You'll also need the documentation of your chipset to know more about the configuration registers of the bridge so you can tweak it to enable the options required for sound cards to work.
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To all of the above, yes the ALIX 3D3 has all the pins for the dISAppointment exposed and supposedly working, since PCengines shared the shematics. (neat!)
I dont know why they chose LPC for the ISA bus either. And for software, man that makes bigger industrial systems (Like my 13 slot IBM industrial computer, AMD K6 PICMG) sound like a better idea but its so damn big and heavy. Not to mention, to build a smaller one with ISA comes down to 200 euro or more. Whereas the alix was 15, since the seller had no idea what it was/is.
RayeR wrote on 2024-03-12, 13:10:
Btw AMD Geode may have VSA sound emulation built-in so SB music could work out of the box via onboard sound codec if present. I have one thin client with such feature and sfx works well there but the thin client completly lakcs PS/2 for KB+mouse - have only USB ports without legacy support so it's not much usefull for DOS anyway...
As for this, yes it should, kinda. It does have AC97, but externally with a Realtek ALC203, which SBEMU does not support and the BIOS does not seem to have any SB settings. It would make things easier, but its no option.
So if the entire driver sitution would need a rewrite, nevermind manufacturing costs, does not seem that effective of a solution anymore. It was going to use an Aztech Sound Galaxy Nova 16 Extra II.