i AM GIVING MY MATE A HAND UPGRADING HIS VERY OLD INTEL PENTIUM 11. CPU STANDARD FOR IT IS 266 MHZ BUT, HE PURCHASED A 45O MHZ,512 KB CACHE CHIP RECENTLY, REPLACED IT WITH THE OLD ONE AND LOADED UP THE COMPUTER. hE SAYS WHEN HE GOES INTO THE COMPAQ DIAGNOSTICS PAGE AT BOOT UP IT STILL STATES THE CPU IS 266 MHZ. ANY SUGGESTIONS WHY THIS IS AND IS THERE SOMETHING HE HAS MISSED I.E updating the BIOS MAYBE ?? I'M NOT SURE SO, OPEN TO SUGGESTIONS. THANKS