Nvidia QUADRO G-SYNC II User Manual page 51

NVIDIA Quadro G-Sync II User Guide
1. Query the enabled displays on the Quadros.
nvidia-settings -q myserver:0[gpu:0]/EnabledDisplays
nvidia-settings -q myserver:0[gpu:1]/EnabledDisplays
nvidia-settings -q myslave1:0[gpu:0]/EnabledDisplays
nvidia-settings -q myslave1:0[gpu:1]/EnabledDisplays
3. Check the refresh rate is the same for all displays.
nvidia-settings -q myserver:0[gpu:0]/RefreshRate
nvidia-settings -q myserver:0[gpu:1]/RefreshRate
nvidia-settings -q myslave1:0[gpu:0]/RefreshRate
nvidia-settings -q myslave1:0[gpu:1]/RefreshRate
4. Make sure the display device we want as master is masterable
nvidia-settings -q myserver:0[gpu:0]/
FrameLockMasterable
5. Set the master display device (CRT-0).
nvidia-settings -a myserver:0[gpu:0]/
FrameLockMaster=0x00000001
6. Disable the house sync signal on the master device.
nvidia-settings -a myserver:0[framelock:0]/
FrameLockUseHouseSync=0
7. Set the slave display devices.
nvidia-settings -a myserver:0[gpu:1]/
FrameLockSlaves=0x00000001
nvidia-settings -a myslave1:0[gpu:0]/
FrameLockSlaves=0x00000001
nvidia-settings -a myslave1:0[gpu:1]/
FrameLockSlaves=0x00000001
8. Enable frame lock on server.
nvidia-settings -a myserver:0[gpu:0]/FrameLockEnable=1
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