Thanks for the link. I will definitely check it out.
I tried setting the fsb to auto, save & exit and unplugged before reboot completed.
I got weird 8x266 nonsense. FSB in the bios shows as "auto" but for some reason this mb set the FSB to 266. The post message showed my E6750...
German forum? Wow. Can you read German or are you auto-translating?
Is there enough information to recommend readers look there as well?
Thanks for the suggestions. I did try these but I could have done something differently.
Can you be specific?
Unplug after setting the new FSB...
I've tried F10, am running F8 now and have gone back to F4 for giggles. Most my attempts were with F8 or F10.
Got anything newer? I'll go right now and check gigabyte's site....
Nope. Nothing newer there. I know my e6750 was first supported in F4 so that is as early as I went...
I'd bet if the USB devices you have plugged in went to a powered usb hub, you may get different results. My guess is that the devices are drawing just enough juice at startup to tip the scales. The bios sees just too little power and the door slams shut on overclocking.
I've seen devices...
Ok, found another working power supply. With everything unplugged and the older syle pci video card in place ('cause the other power supply didn't have the connector for the 8800 GT), I tried again. The corsair 620HX was not the culprit.
The clunk was a combo of fans and hard drives...
The clunk is the power going off in a not-so-normal way. I believe it is the hard drives effectively being unplugged. It is consistent, repeatable and not much more than the normal power click.
If I go into the bios, change nothing, save and exit, it reboots without this sound.
If I change...
I tried ukhazard's idea. I left it without bios power for an afternoon. When powered back up, it detected the frequencies of the E6750 wrong but once in XP, it was back to business as usual - default speeds.
Old Hippie: I wasn't singling Gigabyte out for trying to repair, just for the...
Reading the history of Gigabyte's RMA procedures, I am more afraid to send it back. They don't replace with new as often as they repair or send refurbs. With the frequency (no pun intended) of failures, I feel my problem is better than the odds I face on an RMA.
That said, I am hopeful...
Final test:
Swapped out Ballistiks memory for another brand 1gb single ddrII-6400(800). Older PCI video card, not my normal PCI express video card. No hard drives at all. Nothing plugged into any SATA ports or USB ports. Just my motherboard, cpu, one memory stick and a low end video card...
FYI - Gigabyte's support response:
"If there are no issue operating at default specs there are no issue with the board. We only offer warranty service where you can send in the board first, if you wish to do so go ahead and submit your rma request"
The CIE, EIST, No Execute Protect and Thermal Monitor all seem to have no effect on the FSB problem. They kick down the multiplier but not the FSB as far as I can tell.
I tried with EVERYTHING disabled and no change. Virtualization, USB legacy support, etc.
OK, more info:
Set 300mhz...
Old Hippie: my point exactly.
mrfatboy: I used that link as my guide when things didn't go as I expected. I'll go through again and exactly copy the initial poster's setup.
New symptoms to add:
If I clear the CMOS and restore "Optimized defaults", my E6750 leads the bios to set 8x...
Get this: Gigabyte support "doesn't guarantee overclocking". OK, that is valid. They can't guarantee I'll get the best overclock, but they say they won't guarantee the ability overclock. Even their own tool "Easy Tune 5" won't adjust this board (grayed out buttons).
If it works on the...
I don't have another power supply handy so I will have to arrange that. I did unplug the other drives before doing any of the tests so I doubt I am taxing the 620w supply. These are very popular components. There should be a lot more folks in this boat were this a compatability issue.
The...
OK, so I've read about a lot of folks having problems with gigabyte boards similar to what I am seeing but none exact. Anyone out there got any ideas?
GA-P35C-DS3R v1.1 with E6750 cpu, Corsair HX620 power, 2GB (2x1GB) DDRII 6400 memory in XP pro. F10 bios. Everything works fine at stock...
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