Re: ATA/133 Problems with multiple cards

From: Hans-Peter Jansen
Date: Fri Oct 15 2004 - 03:59:10 EST


On Thursday 14 October 2004 21:31, Bartlomiej Zolnierkiewicz wrote:
> On Thu, 14 Oct 2004 13:12:42 -0500, Ian Pilcher
<i.pilcher@xxxxxxxxxxx> wrote:
> > James Stevenson wrote:
> > > i seem to have run into an annoying problem with a machine
> > > which has 3 promise ata/133 card the PDC20269 type.
> >
> > ....
> >
> > > Does anyone have an explenation of why this can happen ?
>
> * check power supply
> * compare PCI config space of the "failing" controller to the one
> which is "working" (assuming that identical devices are connected
> to each), maybe firmware/driver forgets to setup some settings
>
> > Promise cards don't support more than two per machine. If you
> > can get a third card to work in PIO mode, consider it an added
> > (but unsupported) bonus.
>
> AFAIR people have been running 4-5 cards just fine

* apic mode is helpful
* current and even more important _identical_ firmware versions on all
cards, which is quite annoying, since the promise DOS firmware loader
doesn't like to be executed from a nbi ramdisk, neither on C:\ nor on
A:\ and I hate booting DOS from floppy.. :-(

Pete

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