Wanted: Advice on performing 68040 upgrade for Q605 — #21 "johnklos", _You can not make it work without the help of PLL chip in any way_! (PLL stands for Phase Locked Loop, check Google or Wiki how it works, in caseYou don't know.)In all… 68kMLA Troubleshooting by johnklos Sun, 7 Feb 2010 - 01:33