Re: PC-120 ARCnet cards failing :(
David Woodhouse (Dave@imladris.demon.co.uk)
Fri, 17 Apr 1998 02:51:47 +0200
> Hello, I'm so dejected. I bought these snazzy PC-120 arcnet
> cards, and even found turbo roms for em! But they don't seem to wanna
> detect right in 2 out of 4 machines. Here is a list:
>
> PPro-166: Work
> 386DX25: Work
> 486DX2/66: No Go
> P-133: No Go
>
> Here is the source of my frustration:
>
> com90xx.c: v3.00 97/11/09 Avery Pennarun <apenwarr@bond.net> et al.
> arc0: ARCnet COM90xx: station FFh found at 2C0h, IRQ 7, ShMem C8000h (1*800h).
>
> Station ID 0xff ... What is UP with that? And as soon as I try
> to configure the card, the kernel crashes.
> I've noticed that the cards didn't wanna work in the 386 when it
> had a video card in it, but the card started working when I pulled the
> card out. Am I violating some sort of memory mapping here? [It's a
> generic VGA card]
You may be, depending on where it puts its ROM, if it's got any. Try shifting
the ShMem to 0xD8000, which is less likely to conflict, or using the IO-mapped
driver instead.
Turn on all the debugging options in the driver, too.
---- ---- ----
David Woodhouse, Robinson College, CB3 9AN, England. (+44) 0976 658355
Dave@imladris.demon.co.uk http://www.imladris.demon.co.uk
finger pgp@dwmw2.robinson.cam.ac.uk for PGP key.
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