pc133 running at 100 ??

[Accord Man]

I used to roll with 128m of pc133 sdram..
Last week I got myself a stick of pc133 256m sdram
Now I run both (256 in 1st slot, and 128 in 2nd.)

For some reason, when I check the speed of my ram (with Sisoft Sandra), it says 100.

both sticks are pc 133 (it says CL3 upto 133, for sticks).. whatever that means..

So can anyone help me?

Where/how can I make it all run at 133 ??

Here's my setup
Abit KT7
Duron 800
RIVA TNT 2 32MEG VIDEO CARD
SBLIVE SOUND CARD


thanks,
JP