Don't use 1.22 bios unless needed.
I updated my card from 1.06 to 1.22 - got AGP speed reduced
to 2x from 4x and Quake 3 freezes everytime. Also Viewperf
is slower. Looks like its known bug at dual Athlon MP 
motherboards, but been solved only at Fire GL 2/4
(see readme from latest drivers).