What motherboard/chipset? My asus cuv4x-e w/via apollo pro133a and tnt 2 ultra bsod almost immediatly when using the 21.81 drivers.

it works okay with my tnt2 16mb non-ultra but i think its optimized more for the geforce cards
 
celeron 600 on abit bh6

Intel Pentium III 700MMX SSE
Motherboard: VIA APPELLO 133
128mb SDRAM(PC-100)
Floppy Drive 1.44mb
Maxtor 6GB(5400 rpm)Hard Drive
Nvidia TNT2 Ultra Diamond Monstor 2d/3d card( running Det 4 21.81 drivers)
Audio PCI 128 bit Sound Card(running XP final drivers from final release)
Samsung 32x cd-rom
LG 8042b 4x4x24x cd burner
regular keyboard
Genius mouse
56k V.90 internal fax modem PCI GVC9(running latest XP drivers from final release)
Relisys 17" monitor
OS: Windows XP PRO 5.1.2600 final

Detonator 21.81 works well with my 32 meg Diamond Viper V770 TNT2 Ultra.
 
I am running it on an Abit KT7A-Raid with AMD Athlon TBird,
512meg of ram and WinXP Pro 5.1 (2600) final