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From
SubjectRe: ATA/100 Promise Board
Date
----- Original Message -----
From: "Joel Jaeggli" <joelja@darkwing.uoregon.edu>
To: "Wilson" <defiler@null.net>
Cc: <linux-kernel@vger.kernel.org>
Sent: Wednesday, October 10, 2001 3:49 PM
Subject: Re: ATA/100 Promise Board

> > Quoting from pdc202xx.c:
> >
> > * The latest chipset code will support the following ::
> > * Three Ultra33 controllers and 12 drives.
> > * 8 are UDMA supported and 4 are limited to DMA mode 2 multi-word.
> > * The 8/4 ratio is a BIOS code limit by promise.
> > *
> > * UNLESS you enable "CONFIG_PDC202XX_BURST"
> >
> > Does this match your experiences with that many controllers in the same
box?
> > Thanks for the reply, by the way.
>
> I don't have any of the ultra33 (20246) controllers... but I do have
> CONFIG_PDC202XX_BURST set (ie. the "enabled special dma feature").
> everything is more or less normal except that I think hdk in the box is
> slowly dying at this point... this box has 8 drives on four controllers
> rather than 12 on 3
>
> hda: WDC AC22000L, ATA DISK drive
> hdc: IBM-DTLA-307015, ATA DISK drive
> hde: Maxtor 98196H8, ATA DISK drive
> hdg: IBM-DTLA-307075, ATA DISK drive
> hdi: WDC AC418000D, ATA DISK drive
> hdk: WDC AC418000D, ATA DISK drive
> hdm: WDC WD273BA, ATA DISK drive
> hdo: WDC WD273BA, ATA DISK drive
>

Awesome. Thanks for the info. I'll feel relatively safe recommending this
kind of thing to others in the future, then.

--Wilson.


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