vnf4ultra said:It supports the 400fsb, and I think there are 2.8ghz p4 400fsb cpus still around.
I think powerleap might have some.(yeah, they still do, I checked, $190)
http://www.powerleap.com/Processors.jsp
Also, it may support pentium m 400fsb chips, but I can't say for sure.
http://www.newegg.com/Product/Product.asp?Item=N82E16819111165
The older celeron(not celeron d) cpus were 400fsb, but they weren't very fast.