How do I disable hyperthreading in BIOS?

[zkirby]

Can someone plz explain to me how I would go about disabling hyperthreading in my BIOS? I have very little experience tweaking mt BIOS so tell me the basics step by step plz. Thx.

zkirby

sys specs:
Manufacture: Alienware
Model: Area-51
Mobo: ASUS P4T533-3
Processor: Intel P4 2.53 533 FSB
RAM 2x256mb sticks of Kingston PC-1066 RDRAM / 2x256mb sticks Samsung PC-1066 RDRAM
GFX Card: ATI RAEDON 9700 PRO 128 DDR
HD: Western Digital 80 GB (recently replaced because last one died)
Sound card: Sound Blaster Audigy w/1394
Network card: Intel PRO/1000 MT GIGABIT Desktop adapter
Plextor Plexwriter 40/12/40 CDR-W
KOOLMAX cooling system