Re: DOS2linux

From: Camiel Vanderhoeven (camiel_toronto@hotmail.com)
Date: Tue Aug 28 2001 - 10:10:36 EST


From: Bart Vandewoestyne <Bart.Vandewoestyne@pandora.be>
> > Did you do a normal read from memory, or did you use port-i/o?
>
>I used the inb() function.

Sorry for asking, I just wanted to make sure it wasn't something simple...

>My card is at 1000h, that's something i know for sure, because I can
>probe the EISA ID at 0x1000+0xc80.

Good.

> > I'm not very familiar with
> > the EISA architecture, but I do know that each card can use the
> > following I/O ranges:
> > X000h-X0FFh; X400h-X4FFh; X800h-X8FFh; XC00-XCFF, where X is the slot
> > number.
>
>I guess you mean X0000h-X0FFF; X1000-X1FFF; ...

No, I don't. Each EISA slot occupies four 256-byte ranges. That is because
any address that looks like X100h-X3ffh; X500h-X7ffh etc. is misinterpreted
by older ISA hardware.

Camiel.

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