Re: 2.4.12-ac3 floppy module requires 0x3f0-0x3f1 ioports

From: Maciej Zenczykowski (maze@druid.if.uj.edu.pl)
Date: Sun Nov 04 2001 - 20:18:41 EST


Well here you have it...

W98SE reports the FDC at 0x3f0..0x3f5 and 0x3f7

all in all it is very weird and I do not know what to make of it...
[ABIT SA6 motherboard with AWARD bios]

>
> What I would like to know is: What is at 0x3f0-0x3f1 on
> your machine, and why does your PnP BIOS list these
> two ioports as used by "system peripheral: other"?
>
> On my ThinkPad 600, the BIOS lists 0x3f0-0x3f5 as owned
> by the floppy device:
> jdthood@thanatos:~$ sudo lspnp -v 08
> 08 PNP0700 mass storage device: floppy
> irq 6
> io 0x03f0-0x03f5
> dma 2
>
> It looks like there's a bug in your BIOS. What we could do is
> patch the PnP BIOS driver so that it refrains from reserving
> 0x3f0-0x3f1.
>
> I'll let others comment on the appropriateness of your patch
> to floppy.c . I don't know whether it's the right thing to
> do or not.
>
> --
> Thomas Hood
>
>













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