LevelOne ViewCon KVM-0850 - Manual (Page 20)

KVM-0850/1650 IP KVM switch
MAC OS X
We recommend using the Single Mouse Mode.
4.1.3.7 Video Modes
The KVM-0850/1650 recognizes a limited number of common video modes. When running
X11 on the host system, please do not use any custom mode lines with special video modes.
If you do, the KVM-0850/1650 may not be able to detect them. We recommend using any of
the standard VESA video modes, instead
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