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From: "Martin K. Petersen" <mkp@mkp.net>
To: Kurt Fitzner <kfitzner@excelcia.org>
Cc: parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] PCI card in C160
Date: Mon, 15 Aug 2005 11:46:50 -0400	[thread overview]
Message-ID: <yq1slxbfbit.fsf@wilson.lab.mkp.net> (raw)
In-Reply-To: <29513.193.160.141.5.1124091800.squirrel@www.puszczka.com> (Andy Walker's message of "Mon, 15 Aug 2005 09:43:20 +0200 (CEST)")

>>>>> "Andy" == Andy Walker <ajwalker@broadpark.no> writes:

Andy> I think HP did this due to bugs in the Dino PCI bridge. 

Yup.


Andy> Certain revisions have bugs that will quite likely corrupt data
Andy> on cards that HP haven't certified as working correctly (i.e. HP
Andy> cards are known not to exercise the bugs). 

Well.  The old rev. Dino does corrupt data (Actually, the HP errata
note is funny.  It states that Dino will cause corruption but *only*
when you do I/O through it.  Good thing I/O is not something you do on
a regular basis 8).

Anyway.  For a graphics card it's not a big deal whether a pixel on
the display gets corrupted.  And consequently - as far as I remember -
the firmware will reject anything but Visualize cards.

The solution is to find a new I/O daughterboard on ebay.  There's
probably a higher success rate in terms of getting a newer rev. Dino
if you get a board from a scrapped C180/C200/C240.  Join the exclusive
circle of Frankenbox owners!

-- 
Martin K. Petersen      http://mkp.net/
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  reply	other threads:[~2005-08-15 15:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-15  6:28 [parisc-linux] PCI card in C160 Kurt Fitzner
2005-08-15  6:51 ` Max Grabert
2005-08-15  7:43   ` Andy Walker
2005-08-15 15:46     ` Martin K. Petersen [this message]
2005-08-15  7:01 ` Max Grabert

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