"SWCursor" - Request a software cursor (hardware is default)
"SDRAM" - Force the use of SDRAM timings
"SGRAM" - Force the use of SGRAM timings
"SlowRam" - Force the use of slower ram timings
"Dac6Bit" - Force the use of a 6 Bit Dac (8 Bit is the default)
"UsePIO - Force the use of programmed IO (Memory mapped is the default)
Note: the i740 X server should automatically detect whether your
card has SGRAM or SDRAM. Use the "sgram" and "sdram" options
if it is incorrectly detected.