begin  quote
On Wed, 28 May 2003 09:25:30 +0200
Patrick Marquetecken <[EMAIL PROTECTED]> wrote:

> Hi,
> 
> I have followd the 'bughunting tread' and have notist that my fast
> writing also is not working, and its enabled !.
> 
> Is this because the host-bridge does not Support fast writing ?
> 

Yes, Fast Writes are known to cause unstabilities in some systems, so
some have it default at "off" .. Via kt133 based systems would also have
it forced off in the driver because of via chipset troubles.

So, you cannot enable Fast Writes, but you should be able to enable Side
Band Addressing, and I'm not sure why it isn't so.

Since it is on in the nvidia module config,  have you run modules-update
and then restarted the machine?(sorry, unloading the AGP driver and
loading it again isn't enough in most cases)

 cat /proc/driver/nvidia/agp/status
> Status:          Enabled
> Driver:          NVIDIA
> AGP Rate:        8x
> Fast Writes:     Disabled
> SBA:             Disabled
> 
> cat /proc/driver/nvidia/agp/card
> Fast Writes:     Supported
> SBA:             Supported
> AGP Rates:       8x 4x
> Registers:       0x1f000e1b:0x1f004102
> 
> cat /proc/driver/nvidia/agp/host-bridge
> Host Bridge:     PCI device 1039:0648 (Silicon Integrated Systems
> [SiS]) Fast Writes:     Not Supported
> SBA:             Supported
> AGP Rates:       8x 4x
> Registers:       0x1f004e0b:0x00000d02
> 
> 


You may also rummage around in your BIOS and see if you can find
FastWrites enable there.



//Spider

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