my viewperf10 on 4850 result:
FirePro8.54 driver == 8-10_xp32_dd_69561 driver
softmod no working on 4xxx with the firepro driver.
no any changes with performance even you got a firepro shown in CCC.
depends on FirePro_8.54_WinXP32_69689 released on 10/22:
"ATI FirePro V8700 (FireGL)" = ati2mtag_R7XGL, PCI\VEN_1002&DEV_9456
so V8700 should be...