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Old 01-07-06, 08:54 AM   #1
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Join Date: Jan 2004
Location: The Netherlands
Posts: 21
Default Unable to disable SBA on an Asus a8v deluxe

Due to stability issues (the familiar Xid errors) I tried to disable SBA and FW by using the options NVreg_EnableAGPSBA=0 and NVreg_EnableAGPFW=0 in /etc/modprobe.conf.

After running depmod -a as root and rmmod-ing en insmod-ing the nvidia kernel module again /proc/drivers/nvidia/agp/status shows me the following:

[sven@ummon ~]$ cat /proc/driver/nvidia/agp/status
Status: Enabled
AGP Rate: 8x
Fast Writes: Disabled
SBA: Enabled

The same thing occurs if I don't use the module parameters at all.

I can disable FW but not SBA in the BIOS setting menu (no such option available). I checked several different BIOSes for this mobo but afaik none of them have the option to disable SBA.

So apparently the NVreg_EnableAGPSBA=0 option does not work when SBA is enabled by the systems BIOS. Is this a known issue that will be fixed? Is there any other way to disable SBA until that time?

Thanks in advance.

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Last edited by deBeuk; 01-07-06 at 09:10 AM. Reason: added bugreport (zipped because >100k)
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