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Messages - AmbulatoryCorpse

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Indeed csm shouldn't affect, but it can mediate interrupts and I've seen stranger so it was worth poking.

I'm guessing it's less featured and doesn't do fossil?

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Greetings all, new to the forums here but been in the computing game since I was in grade school a few decades ago.

Anyways, the hardware:
Lenovo M920t (i7-8700 3.2Ghz 16gb)
nvme 1tb drive
sata dvdr
external USR Sportster 33.6k

Burned my ArcaOS iso to phyical media and dropped it in the drive to partition then install - all good, mostly. Save there's no COM1 - instead I have a SERIAL_0 attached to the ISA bus. Right. Well at least it's got the right address and interrupt..

Anyway, since this is primarily for reasons of a nostalgia driven trip to the times of yore when I ran a WWIV 4.24 dial up BBS, I forge on and start playing with SIO v1, which bombs out and requires a little offline surgery of the config.sys to get the system running again. Okay, on to SIO v2. No physical com port at all, 4 uart dummies and 4 vmodems all appear per default settings for SIO though, so progress?

Okay, maybe I need the CSM on to make it play nice? Nope. Same status. Though I did discover that sometimes a cold boot can make it come up properly under SIO v2, but that's more a fluke then a norm.

Anyway, introduction and background out of the way... Anyone have some pointers on where to poke? At present I have no critical data on the system and can do a full system wipe if needed. Also have a couple empty pcie slots that could take a real serial card if there's one that's known to play nice?

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