How to get SSE Boost?

Hi chaps,

I've seen plenty of posts of how to keep SSE Boost but I can't seem to get it at all in the first place.

I've set the appropriate flags thus:

# Windows Graphical Edition ###################################################
###############################################################################

Folding@home Client Version 3.25

http://foldingathome.stanford.edu
email:help@foldingathome.stanford.edu

###############################################################################
###############################################################################

Arguments: -advmethods -forceasm

[12:32:45] - Ask before connecting: No
[12:32:45] - User name: Crypto (Team 93)
[12:32:45] - User ID = 5AB913AE2265F48E
[12:32:45] - Machine ID: 1

but I only get:

[12:40:05] Protein: p340_gnra_nat
[12:40:05]
[12:40:05] Writing local files
[12:40:56] Completed 472943 out of 500000 steps (94)
[12:40:56] Extra 3DNow boost OK.
[12:49:21] Writing local files
[12:49:21] Completed 475000 out of 500000 steps (95)
[13:09:19] Writing local files

Have I missed something?

Is it because I'm running lowly TBird CPU's? (800 & 1200)

Cheers

Crypto