[4610] in linux-scsi channel archive
Re: AHA1542 and dev kernel 115
daemon@ATHENA.MIT.EDU (Lauri Tischler)
Tue Aug 25 09:52:44 1998
Date: Tue, 25 Aug 1998 14:58:26 +0300
From: Lauri Tischler <lauri.tischler@efore.fi>
To: tl <tl@fairplay.no>
CC: Eric Youngdale <eric@andante.jic.com>, Riccardo Facchetti <fizban@tin.it>,
linux-scsi@vger.rutgers.edu,
linux-kernel mailing list <linux-kernel@vger.rutgers.edu>
tl wrote:
>
> Admittedly not all things can be controlled from the BIOS, there's still a
> DIP block (not jumpers) for I/O-port, BIOS address, BIOS disable and PnP
> disable for the CP cards, but the rest is under software control.
>
> Anyway, are you sure they really had two IRQ switches, my recollection
> was that it had multiple DMA jumpers that you'd better get
> self-consistent, but only a single IRQ jumper to set. Admittedly it's
> probably at least 6 years since I last saw even a B card (and at least
> a year even for CF/CP cards).
>
> (Presumably all C type cards have this, but I've never seen a plain
> 154xC, but I think there were ones for a while).
Dug out an old dusty 1542B + docs.
There really are 2 sets of jumperblocks for irq selection and they must
match, otherwise y're screwed :)
1542CF has dips and is configured via BIOS
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