Thread: Howto Check SLI
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Old 08-22-06, 06:47 PM   #1
dersepperl
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Join Date: Aug 2006
Posts: 2
Default Howto Check SLI

Hi,

I installed 2x GeForce 7600 GT (both form ASUS and execat the same type) on my M2N32-SLI mainboard (Athlon 64 X2), and after a few trys I got SLI working.
Xorg.0.log:
--snip---
(**) NVIDIA(0): Option "SLI" "on"
(**) NVIDIA(0): NVIDIA SLI enabled; using auto-selected rendering method.
--snap---

looks good.

But I have no idea how to test it. I want to improve my World-of-Warcraft running with CEDEGA, but it has exact no ettect.
With only one card installed in my system I got about 40 FPS, with 2 cards and SLI enabled I got about 40 FPS, and the same happens with tuxracer etc. So I'd like to know howto use the advantage of SLI with Linux. Is there any possible test etc.

With the nvidia-settigs tool I am not able to find any information about SLI, e.g. the temperature of both GPU.

So that are my questions

Greetings

Robert



Here some of my configuration:
lspci |grep -i vga
0000:02:00.0 VGA compatible controller: nVidia Corporation G70 [GeForce 7600 GT] (rev a1)
0000:07:00.0 VGA compatible controller: nVidia Corporation G70 [GeForce 7600 GT] (rev a1)

lspci -vt
-[00]-+-00.0 nVidia Corporation C51 Host Bridge
+-00.1 nVidia Corporation C51 Memory Controller 0
+-00.2 nVidia Corporation C51 Memory Controller 1
+-00.3 nVidia Corporation C51 Memory Controller 5
+-00.4 nVidia Corporation C51 Memory Controller 4
+-00.5 nVidia Corporation C51 Host Bridge
+-00.6 nVidia Corporation C51 Memory Controller 3
+-00.7 nVidia Corporation C51 Memory Controller 2
+-03.0-[01]--
+-04.0-[02]----00.0 nVidia Corporation G70 [GeForce 7600 GT]
+-08.0 nVidia Corporation MCP55 Memory Controller
+-09.0 nVidia Corporation MCP55 LPC Bridge
+-09.1 nVidia Corporation MCP55 SMBus
+-09.2 nVidia Corporation MCP55 Memory Controller
+-0a.0 nVidia Corporation MCP55 USB Controller
+-0a.1 nVidia Corporation MCP55 USB Controller
+-0c.0 nVidia Corporation MCP55 IDE
+-0d.0 nVidia Corporation MCP55 SATA Controller
+-0d.1 nVidia Corporation MCP55 SATA Controller
+-0d.2 nVidia Corporation MCP55 SATA Controller
+-0e.0-[03]----0b.0 Texas Instruments TSB43AB22/A IEEE-1394a-2000 Controller (PHY/Link)
+-0e.1 nVidia Corporation MCP55 High Definition Audio
+-10.0 nVidia Corporation MCP55 Ethernet
+-11.0 nVidia Corporation MCP55 Ethernet
+-12.0-[04]--
+-14.0-[05]--
+-16.0-[06]----00.0 Silicon Image, Inc. SiI 3132 Serial ATA Raid II Controller
+-17.0-[07]----00.0 nVidia Corporation G70 [GeForce 7600 GT]
+-18.0 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
+-18.1 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
+-18.2 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
\-18.3 Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control

part of xorg.conf

Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
EndSection

Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "TwinView" "False"
Option "SLI" "on"
SubSection "Display"
Depth 24
Modes "1600x1200" "1280x1024" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
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