This document describe how to configure a Solaris machine with a 24-bit Creator 3D graphics card to use 24-bit color depth.
Examine the 'Root Visual Depth' within the 'Default Visual' parameter. You will need to modify the file /usr/dt/config/Xservers to adjust this setting to 24-bit color depth.
-dev /dev/fb defdepth 24 defclass TrueColor
Root Visual Depth should report a 24-bit color depth.
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