Hi.
Microsystem. 2.8ghz was before the BSEL mod using 255fsb *11 (e4500) with 2* 1gig Geil 800 ram running as 533 3,3,3,9 2t .
Anything over 260fsb was unstable.
A GOOD power supply is essential.
Quote from another user here for the BSEL mod.
Also, here's how the 200Mhz to...