Well, I put in an ECS PT880 and noticed that there was no PCI/AGP lock so I threw in the old 848P-A. While shopping around, I went out to my local CC and purchased 2 new sticks of Kingston PC2700 (which are Hynix D43) and installed everything. Now came the hard part. I went into Bios, locked the PCI/AGP at a constant 33/66 and raised the fsb to 155. Boot into windows and did a few benchmarks perfectly. Bumped it up to 160... Crap. Nothing. So I was using the computer at 2.79 gigs until I dled CPUZ and noticed that the dividers were set to 4:5. The ram was at 20x FSB while the CPU was only at 155 (more or less). Hmm, went into bios and there was no option for a divider but something that I did notice was that the ram was at auto... I changed it to PC2100 (133) and went back into windows and guess what, CPUZ REPORTED 1:1!! WOOHOO. Went into Bios, changed the FSB to 180 and went right into windows. 190, booted fine. 200, nothing... so I dropped it to 195 and man, I'm running stable. 100% CPU usage (burn in software) and it was running like a dream.. I'll be trying to get to 200 soon and I'll probably be the first to get a 1.2 gig o/c on my celeron D using an ECS mobo... BTW, the ram cost me 42$ each with a 20$ rebate. Just thought I'd share my story and would like to say that for all you ECS haters, ECS actually did a 180 degree turn and has actually made a quality motherboard.