Selfmade CPU - Slot1 Coppermine with soldered Pentium 3EB SL5SN aka Xbox CPU on it, Re-strap: remove R23 , R22 , R19 , R13 , solder R15 , R14 ,R20 (or short). Turbopll-d board with separeted powers - VCore 1.9v , V-IO 3.8v , V-PLL 4.3v. Cpu have bunch of compatibility problems , bios isnt save any cpu settings on bh6/bf6 , works fine on P3B-F , freezes at post Abit SH6. More details about mods on board at ref freq valid