-------- Original Message --------
Subject: Re: [PARPORT] Parallel Port Mode switching via normal C-code possible?? (08-Mrz-2002 13:19)
> >>>>> "sven" == sven luebke <email@example.com> writes:
> sven> Hi!! I have to reconfigure the parallel port mode (ECP, EPP,
> sven> Standard etc.) via normal C code AND NOT via BIOS. I know, that
> sven> this is not a clean way, but it's the only one :-). Could you
> sven> me, to which address I have to write which value, if I want to
> sven> switch between EPP, ECP and standard mode?! Is this possible at
> sven> all?? Thanx for your help...
> The mode of the parallel port on normal motherboards is controlled by the
> Super-I/O Chip. There are a lot of Super-I/O chips on the market, and all
> differ. So you would need a kernel module which would change the mode
> triggered by some ioctrl. I don't know of an effort in Linux do make this
> level accessible.
Sorry, it's not for a Linux driver. Just MS-DOS environment...
I know, I'm in the wrong mailinglist, but I didn't find a MS-DOS parallel
port "discussion board"...
> In the 2.0 kernel time frame I wrote a "smcio.c" module, which allowed me
> do so on a motheboard with a FDC37C66 chip. I can send you the code on
Well, as you said, every chip needs his own specific code, your code
is really only for this chipset? Or did you test it with some other
> sven> Sven Lübke <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0
> Please, no html in mail.
Oh, sorry, I didn't check this. Hopefully removed it!?
Thanx for your help...
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