|Sep 8, 2010, 04:55 PM||#1|
[Solve] nVidia and 10.6.4 Graphics Performance - Read This !
10.6.4 will severely decrease NVIDIA GPU performance by causing it's three clocks to always run at level 0 low power mode.
1. Edit the AppleGraphicsPowerManagement.kext/Contents/Info.plist's
MacPro4,1 section and change
Vendor10deDevice05e2 to Vendor10deDevice05e3
The 05e3 part is for a GTX 285,
see http://dl.dropbox.com/u/6372548/OSX8...a%20Device.txt for others.
This is to allow the GPU to have power management; level 2 high power when stressed, and down clocking to level 0 when not stressed (~10C lower).
The GPU clock will be at level 0 after sleep and wake, but the shader and memory clocks will temporarily be stuck at level 2.
However, if load is applied and then reduced, shader and memory will return to level 0.
2. Other Mac machines
Use the AppleGraphicsPowerManagement.kext from 10.6.0/10.6.2/10.6.3
Temperatures and clock speeds can be seen with nvclock, and for lower temperatures it's recommended to set fanspeed mode to auto with `nvclock -F auto -f', which needs to be set again after sleep and wake
Correct settings :
use OpenGL Extensions: Viewer 3.32
use Multisample: full (x4)
use Anisotropy : full (16x)
back to the game
FULL SPEED - SCII 1920x1200 Ultra non lag !!
Mac Pro # 2,66 GHz # 12 GB RAM # 2 x 1 TB HDD # nVidia GTX 285 1 GB # Dell U3011
intuos3-A5 # WD Book Studio II 4GB RAID 0 # Synology DS713+
|Sep 8, 2010, 07:03 PM||#2|
You already posted this in the thread (Here). No need to make a whole new thread with just an answer, though it is helpful.
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