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Thread: HOWTO:Nvidia AGP FastWrites and Side Band Addressing

  1. #11
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    Re: HOWTO:Nvidia AGP FastWrites and Side Band Addressing

    Quote Originally Posted by tseliot
    Which Method did you use to install the Nvidia driver?
    Nvidia installer. But I have a vanilla kernel too so it may be because of that.

  2. #12
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    Re: HOWTO:Nvidia AGP FastWrites and Side Band Addressing

    Quote Originally Posted by Rizado
    Nvidia installer. But I have a vanilla kernel too so it may be because of that.
    I haven't tried it with a vanilla kernel yet.

    Can anyone with a vanilla kernel confirm this problem?

  3. #13
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    Re: HOWTO:Nvidia AGP FastWrites and Side Band Addressing

    Hi,

    I tried it but I don't get much more fps. Before I had around 1275 fps. With fast writes enabled I get 1282 fps.

  4. #14
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    Re: HOWTO:Nvidia AGP FastWrites and Side Band Addressing

    I used the Nvidia installer with my GForce 5600 FX
    I have the 2.6.12-10-686 kernel
    I did not have nvidia-kernel-nkc so I took the advice of Rizado and added "nvidia NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1" to /etc/modules
    I gained 200 fps according to glxgears

    Thanx to you all.

    I hope that helps someone...

    Edit -- I just checked and I still have Fast Writes disabled ... hmmm

    mark@HB-Linux:~$ cat /proc/driver/nvidia/agp/status
    Status: Enabled
    Driver: AGPGART
    AGP Rate: 8x
    Fast Writes: Disabled
    SBA: Enabled

    Any ideas? Abit IS-7 mobo / Nvidia GeForce 5600FX vid card
    Last edited by mcwtlg; March 10th, 2006 at 01:51 PM.
    Food for Thought | Fuel for the Fire

  5. #15
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    Re: HOWTO:Nvidia AGP FastWrites and Side Band Addressing

    Quote Originally Posted by mcwtlg
    I used the Nvidia installer with my GForce 5600 FX
    I have the 2.6.12-10-686 kernel
    I did not have nvidia-kernel-nkc so I took the advice of Rizado and added "nvidia NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1" to /etc/modules
    I gained 200 fps according to glxgears

    Thanx to you all.

    I hope that helps someone...
    Ok I'll add it to the guide.

    Thanks Rizado and mcwtlg

    EDIT: DONE!
    Last edited by tseliot; March 10th, 2006 at 11:48 AM.

  6. #16
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    Re: HOWTO:Nvidia AGP FastWrites and Side Band Addressing

    It did not worked for me with /etc/modules, so after reading an article in Gentoo Wiki i just created /etc/modprobe.d/nvidia file and added there:
    Code:
    alias char-major-195 nvidia 
    options nvidia NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1
    which gives me this:
    Code:
     
    cat /proc/driver/nvidia/agp/status
    Status:          Enabled
    Driver:          AGPGART
    AGP Rate:        4x
    Fast Writes:     Enabled
    SBA:             Enabled
    Registered Linux user #326684

  7. #17
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    Re: HOWTO:Nvidia AGP FastWrites and Side Band Addressing

    Quote Originally Posted by z-vet
    It did not worked for me with /etc/modules, so after reading an article in Gentoo Wiki i just created /etc/modprobe.d/nvidia file and added there:
    Code:
     alias char-major-195 nvidia options nvidia NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1
    which gives me this:
    Code:
     cat /proc/driver/nvidia/agp/status Status: Enabled Driver: AGPGART AGP Rate: 4x Fast Writes: Enabled SBA: Enabled
    Very interesting! Thanks for reporting, I'll add it to the guide.

    EDIT: You mean the "/etc/modprobe.d/nvidia-kernel-nkc" file, don't you?

  8. #18
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    Re: HOWTO:Nvidia AGP FastWrites and Side Band Addressing

    Quote Originally Posted by tseliot
    You mean the "/etc/modprobe.d/nvidia-kernel-nkc" file, don't you?
    No, i mean /etc/modprobe.d/nvidia
    Registered Linux user #326684

  9. #19
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    Re: HOWTO:Nvidia AGP FastWrites and Side Band Addressing

    It's weird adding the line to modules doesn't work, maybe agpgart has to be loaded first.

    Creating /etc/modprobe.d/nvidia is probably better because that will enable fastwrites everytime nvidia is loaded, adding the line in modules will only enable it when loaded at boot time. Also I have noticed that adding nvidia to modules make x start faster. Or atleast there's no corrupted screen just before kdm/gdm starts (The ugly grey and black screen)

  10. #20
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    Re: HOWTO:Nvidia AGP FastWrites and Side Band Addressing

    That worked...thanx z-vet

    I did not have nvidia-kernel-nkc. First I took the advice of Rizado and added "nvidia NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1" to /etc/modules, but that did not work (fast writes were still disabled).

    I then took z-vet's advice and created /etc/modprobe.d/nvidia and put:
    alias char-major-195 nvidia
    options nvidia NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1

    into that file, saved it and rebooted.

    Now I get:

    mark@HB-Linux:~$ cat /proc/driver/nvidia/agp/status
    Status: Enabled
    Driver: AGPGART
    AGP Rate: 8x
    Fast Writes: Enabled
    SBA: Enabled

    12039 frames in 5.0 seconds = 2406.168 FPS
    11974 frames in 5.0 seconds = 2394.695 FPS
    11786 frames in 5.0 seconds = 2350.184 FPS
    11951 frames in 5.0 seconds = 2390.186 FPS
    11822 frames in 5.0 seconds = 2364.329 FPS
    11781 frames in 5.0 seconds = 2353.736 FPS
    11794 frames in 5.0 seconds = 2358.772 FPS

    Which is a total of about 250 fps faster in glxgears. Overall I am happy! Thanx to EVERYONE for their imput!
    Food for Thought | Fuel for the Fire

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