My poor video card cirrus logic5430

My video card is cirrus logic 5430 pci with 1mb dram.
i have installed the redhat4.2 but when i finish install
i found that i can only use 256 color and 800x600 under xfree86,and i have tried the command Xconfigurator , it is no useful, what can i do:( i have read doc README.cirrus but get nothing.
stormerAsked:
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bjacobsCommented:
stormer,
Use startx -- -bpp 16 to get 16 bit color but this will reduce your resolution. You need to add memory to your card or get a new card to get a higher resolution and more colors.
Bob
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