I've got a GA-EP45-UD3P v1.6 with latest beta bios FDa. Board & windows is completely stable, verified with Prime95, LinX, and y-cruncher. I run 400 fsb with the 2.00D mch latch. 4 x 2gb kingston hyperX pc2-1066 sticks. Memtest86+ 4.0 ran 5 passes w/ no errors. I have read lots about problems with Sleep (S3) on these boards but even after all my readings I couldn't find any response from official Gigabyte rep. WHY do these boards refuse to sleep proper when FSB>400 ?? This problem seems really old, been around for at least a year or more and seems to affect all the entire series of EP45-UD3* boards.
On my system, it enters S3 sleep but the power LED does not blink like it normally should when in S3, and when I use the keyboard to wake up the system, it enters a reboot loop:
1) power up
2) system fans come on
3) cd drives are briefly accessed
4) ~4 seconds later, powers off again
5) pause 1 second and repeats from step 1
the only way to break out of this is to kill the mains power by yanking the plug out from the PSU. Of course after this, all unsaved work is lost. Yeah I know "sleep mode" may not be the most important thing for overclockers but hey these days it costs $$$$$ to keep your comp running all the time, and I do like being able to sleep it when I go to bed etc. The point is this *should* work -- why hasn't gigabyte addressed this problem?? They should at the very least ACKNOWLEDGE it and post a status/FAQ about it and whether they will fix it.
Also, I found I cannot HIBERNATE my system either. I enabled hibernation with admin prompt -> powercfg -h ON and then the Hibernate option does appear in Win7 but when I choose hibernate, the system kind of sleeps right away (screen goes dark almost immediately, many USB devices shut down including kbd, mouse, ipod, etc) but the fans keep running and the system never powers down. Once it gets into this state, there is NO way to wake it up, the only way is again, to hold down the power button for 4 secs or to yank the power plug.
So there is resally no way to do any kind of sleeping, hibernating, hybrid sleep or any energy savings at all with this board which really sucks. I want to hear from others if they have found any solutions or anybody with inside connection to GIGABYTE -- are they ever going to fix this ???
On my system, it enters S3 sleep but the power LED does not blink like it normally should when in S3, and when I use the keyboard to wake up the system, it enters a reboot loop:
1) power up
2) system fans come on
3) cd drives are briefly accessed
4) ~4 seconds later, powers off again
5) pause 1 second and repeats from step 1
the only way to break out of this is to kill the mains power by yanking the plug out from the PSU. Of course after this, all unsaved work is lost. Yeah I know "sleep mode" may not be the most important thing for overclockers but hey these days it costs $$$$$ to keep your comp running all the time, and I do like being able to sleep it when I go to bed etc. The point is this *should* work -- why hasn't gigabyte addressed this problem?? They should at the very least ACKNOWLEDGE it and post a status/FAQ about it and whether they will fix it.
Also, I found I cannot HIBERNATE my system either. I enabled hibernation with admin prompt -> powercfg -h ON and then the Hibernate option does appear in Win7 but when I choose hibernate, the system kind of sleeps right away (screen goes dark almost immediately, many USB devices shut down including kbd, mouse, ipod, etc) but the fans keep running and the system never powers down. Once it gets into this state, there is NO way to wake it up, the only way is again, to hold down the power button for 4 secs or to yank the power plug.
So there is resally no way to do any kind of sleeping, hibernating, hybrid sleep or any energy savings at all with this board which really sucks. I want to hear from others if they have found any solutions or anybody with inside connection to GIGABYTE -- are they ever going to fix this ???
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