Hi, > I tried upgrading the driver yesterday to the 270.41.06 version but it didn't > make any difference, still only 100 Hz. Are you using Windows or Linux? > We're using the 64-bit Linux driver.
We had the same problem initially with the Asus VG236 until we went into nvidia-settings and turned off Force Full GPU Scaling for the monitor under the GPU settings. Usually this option is unchecked for standard 60 - 75Hz LCDs but I found this was checked for some reason, unchecked it and then the monitor went blank momentarily and came back. Then the refresh rate increased from 99.99Hz to 119.98Hz. The information menu in the monitor itself also showed 120Hz. This has to be applied for every user or you can copy ~/.nvidia-settings.rc to other users' directories. The system is currently using the 260.19.26 linux 64 bit driver running CentOS5. Here's the xorg.conf : # nvidia-settings: X configuration file generated by nvidia-settings # nvidia-settings: version 260.19.26 (buildmeis...@swio-display-x86-rhel47-07.nvidia.com) Mon Nov 29 01:13:18 PST 2010 Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" 0 0 InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" Option "Xinerama" "0" EndSection Section "Files" FontPath "unix/:7100" EndSection Section "Module" Load "dbe" Load "extmod" Load "type1" Load "freetype" Load "glx" EndSection Section "InputDevice" # generated from default Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/input/mice" Option "Emulate3Buttons" "no" Option "ZAxisMapping" "4 5" EndSection Section "InputDevice" # generated from data in "/etc/sysconfig/keyboard" Identifier "Keyboard0" Driver "kbd" Option "XkbLayout" "us" Option "XkbModel" "pc105" EndSection Section "Monitor" # HorizSync source: edid, VertRefresh source: edid Identifier "Monitor0" VendorName "Unknown" ModelName "Ancor Communications Inc ASUS VG236" HorizSync 24.0 - 140.0 VertRefresh 50.0 - 122.0 #Option "ExactModeTimingsDVI" "TRUE" # 1920x1080 @ 120.00 Hz (GTF) hsync: 138.84 kHz; pclk: 368.76 MHz Modeline "1920x1080_120" 368.76 1920 2072 2288 2656 1080 1081 1084 1157 -HSync +Vsync # 1920x1080 @ 110.00 Hz (GTF) hsync: 126.61 kHz; pclk: 336.28 MHz Modeline "1920x1080_110" 336.28 1920 2072 2288 2656 1080 1081 1084 1151 -HSync +Vsync # 1920x1080 @ 100.00 Hz (GTF) hsync: 114.40 kHz; pclk: 302.02 MHz Modeline "1920x1080_100" 302.02 1920 2072 2280 2640 1080 1081 1084 1144 -HSync +Vsync # Monitor preferred modeline (60.0 Hz vsync, 67.5 kHz hsync, ratio 16/9, 95 dpi) #ModeLine "1920x1080" 148.5 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync ModeLine "1920x1080" 148.500 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync Option "DPMS" EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "Quadro FX 3700" Option "Stereo" "10" EndSection Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 Option "TwinView" "0" Option "metamodes" "1920x1080_120 +0+0; 1920x1080_110 +0+0; 1920x1080_100 +0+0" SubSection "Display" Depth 24 EndSubSection EndSection Section "Extensions" Option "Composite" "disable" EndSection ### I don't know if the modelines are actually necessary. The nvidia driver usually recognizes metamodes such as 1920x1080_120. HTH, Sabuj Pattanayek