Re: Parallel zip-disk can't use EPP 32 bit with 2.4.x kernels

From: Davy Preuveneers (davy.preuveneers@student.kuleuven.ac.be)
Date: Wed Jan 31 2001 - 08:27:15 EST


On Tue, 30 Jan 2001, Forever shall I be. wrote:

> On Tue, Jan 30, 2001 at 07:17:28PM +0100, Davy Preuveneers wrote:
> > Since I'm running the 2.4.x kernels, I'm having a little problem with my
> > parallel zip-disk. The ppa module can't use the EPP 32 protocol and uses
> > the PS/2 protocol instead (which is much slower), as shown by the boot
> > message of kernel 2.4.1:
> >
> [snip]
> >
> > Kernels 2.2.x use the EPP 32 bit protocol while the 2.4.x versions don't,
> > although I have used the same options when compiling the new 2.4.1 kernel.
> > When I change the parallel port configuration in the BIOS from ECP/EPP to
> > EPP only (version 1.9), the 2.4.x kernels use the EPP 32 bit protocol as
> > well, but then I can't use ECP with dma anymore.
> >
> > Does anyone know what the problem is?
>
> Are you sure you've given parport_pc the correct IRQ/DMA? It doesn't
> seem to be able to detect them very well over here, so I need a line
> such as:
> options parport_pc io=0x378 irq=7 dma=3
>
> but YMMV :)

Yes, I tried that already, but no effect

>
> >
> > Davy
>
> --
> Zinx Verituse (See headers for gpg key info)
>

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