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Howdie,
I am trying to squeeze the last little bit of performance out of my old machine (LotrO going Free-to-play, and all ) and I have tried to get fastwrite to turn on. This is the state of this by now:
cat /proc/driver/nvidia/agp/host-bridge
Host Bridge: PCI device 1106:0314
Fast Writes: Supported
SBA: Supported
AGP Rates: 8x 4x
Registers: 0x07000a1b:0x00000b02
cat /proc/driver/nvidia/agp/status
Status: Enabled
Driver: AGPGART
AGP Rate: 8x
Fast Writes: Disabled
SBA: Enabled
So FW is available and supported (I knew that, turned it on in the Bios after all ) but it's not enabled.
Now, what I DON'T know is how to enable it. I could find nothing in the forum nor wiki here.
Any takers?
(BTW, no I am not 100% sure that FW will help my performance any, but I will find out )
Last edited by thom_raindog (2010-08-11 15:02:21)
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add
NVreg_EnableAGPFW=1
to modprobe.conf
hope this will help
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Nope, that only threw a few errors on boot that the wrong line in /etc/modprobe.d/modprobe.conf will be ignored.
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Ha, but you guided me in the right direction and now I could use something I found in an old post of mine when I still used Kubuntu and that did that trick:
Add
alias char-major-195-* nvidia
options nvidia NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1
to /etc/modprobe.d/modprobe.conf and you're good
Thank you.
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hmm..
my mistake, I assumed that it is obvious that you will need to add whole statement to modprobe.conf not only option that enables FW.
I used this option very long time ago
however you don't need NVreg_EnableAGPSBA=1
because this is turned by default and you have SBA enabled
anyway, glad that it works
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