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Re: PCI 64 bit board on PCI 32 bit connector.

daemon@ATHENA.MIT.EDU (Troy Benjegerdes)
Wed Mar 31 22:35:09 1999

Date: 	Wed, 31 Mar 1999 21:30:23 -0600 (CST)
From: Troy Benjegerdes <hozer@drgw.net>
To: Gerard Roudier <groudier@club-internet.fr>
cc: Linux <linux-kernel@vger.rutgers.edu>, linux-scsi@vger.rutgers.edu,
        ncr53c810@colorado.edu
In-Reply-To: <Pine.LNX.3.95.990327102738.690A-100000@localhost>

On Sat, 27 Mar 1999, Gerard Roudier wrote:

> 
> Hi all,
> 
> I want to use a 64 bit PCI board on my system which uses an ASUS P2L97
> mother board. The PCI specs says a 64 bit PCI board should plug gracefully
> into a 32 bit PCI connector, but it does not. 
> 
> The problem seems to be due to the following:
> 
> PCI 32 recommended connector:
> 
> | |--------------...-----------| |
>                                >-<  1.27 [.050] mm
> 
> PCI 32 connector of the PL297 MotherBoard:
> 
> | |--------------...-----------| |
>                                >-<  >= 1.80 mm  (measured +- 1mm)
> 
> If somebody could confirm that or let me know if I may have missed
> something important, this will help me. 

We have some Asus PPro boards with this problem, and some with the correct
connector. Carefull application of a file on the 64 bit PCI card will
solve the problem.

(Although, if you can get Asus to ship you a correct board, more power to
you)

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