Oh yeah, I'm very sure.
Futuremark thinks my e8400 ran to 4.5 Ghz because it assumes I kept the stock multiplier bu I ran 8 X 500 front side bus.
Operating system Microsoft Windows XP
System type 32-bit
Motherboard manufacturer ASUSTeK Computer INC.
Motherboard model P5Q SE PLUS
Hard drive model SAMSUNG HD321KJ
Memory 3328 MB
Module 1 2048 MB
Module 2 2048 MB
Processor information
Processor Intel Core 2 Duo Processor E8400
Processor clock 4500 MHz
Physical / logical processors 1 / 2
Multicore 2 Processor Cores
FSB 502 MHz
This is my 3DMark06 score validated @
http://service.futuremark.com/results/showSingleResult.action?resultId=10779061&resultType=14
If the link doesn't work the Project ID ## is 10779061