20 Sun XVR-600 Graphics Accelerator Installation and User’s Guide • May 2004
Avoiding Colormap Flash
When multiple windows are used in an 8-bit window system, the colors can change
as the cursor is moved from window to window. There are two methods for
avoiding colormap flash:
■ Using the -defdepth 24 command option to run the window system in 24-bit
mode, or
■ Use -fake8 enable if you need both 8-bit and 24-bit visuals simultaneously.
The default is 8-bit.
Using the -defdepth 24 Option
1. Using the fbconfig command, type:
2. Log out, then log back in.
Note – 24-bit depth performance can be slower than 8-bit depth mode.
Using the -fake8 Option
1. Using the fbconfig command, type:
Note – 8-bit depth performance is slower in 8+24 (-fake8) mode.
2. Log out, then log back in.
host% fbconfig -dev jfb0 -defdepth 24
host%
fbconfig -dev jfb0 -fake8 enable
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