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This issue is pretty wide-spread, and I've had little luck trying to get support on it at the Gigabyte UK forums, and they told me tweaktown has the "official" US support forum.
For some background and other users:
http://www.overclock.net/t/1034724/gigabyte-p67-z68-boot-cycling-problem/590
That thread is going on 62 pages long now. I have this problem, as do numerous other users. Support is aware of the issue as other users have gotten through, but we're not getting updates, or solid fixes. Can we at last know what the internal status on resolution for said problem is?
The thread at Gigabyte UK:
Can we get an official response from Gigabyte regarding Z68 cold boot?
I've linked to all three threads in case we solve the issue.
The Problem/Symptoms:
If you have this problem, please post your system specs, so maybe we can try and figure out some type of resolution.
My specs:
Z68X-UD3H-B3
i5 2500k
Cooler Master Hyper 212
2x 4gb Corsair XMS DDR3 (also tried crucial ballistix)
SATA RAID 0 2x WD raptor 36g
SATA RAID 0 2x Seagate 7200.12 500g
Galaxy GTX 460 SLI 768
Lite-ON DVDRW
Sony Blu Ray
PCP&C 760Watt PSU
What I have personally tried -
I've found that manually setting my memory voltage to 1.65v and QPI/VTT to 1.2v seems to cut down on the boot loop. Doesn't entirely fix it, but does cut down the occurrence.
For some background and other users:
http://www.overclock.net/t/1034724/gigabyte-p67-z68-boot-cycling-problem/590
That thread is going on 62 pages long now. I have this problem, as do numerous other users. Support is aware of the issue as other users have gotten through, but we're not getting updates, or solid fixes. Can we at last know what the internal status on resolution for said problem is?
The thread at Gigabyte UK:
Can we get an official response from Gigabyte regarding Z68 cold boot?
I've linked to all three threads in case we solve the issue.
The Problem/Symptoms:
I've noticed for the past 6 Gigabyte boards I've used in client builds there is a boot cycling problem one way or another. After shutdown and waiting for approx. 10 seconds booting up again results in boot cycling and results in the board reverting to using the backup BIOS which still boot cycles. Even after copying the new BIOS to the backup BIOS boot cycling still continues. I end up flipping the PSU switch and unplugging the power cable and waiting for a few seconds before the board would boot past POST screen.
Has anyone else encounter this with their new Gigabyte P67/Z68 boards?
I've had 3 builds with other makers, 2x MSI and 1x Asus and those board did not exhibit this problem, both boards are P67 boards.
Facts about Boot Loop:
1) On a cold boot your motherboard will POST up to the "Memory Testing" (which is like the first 3 lines on your POST screen) line and then restarts on it's own. It will continue to do this for a infinite number of times, theoretically. If someone actually wants to sit in front of their computer and start a count on how many times it restarts, be my guest.
2) Restarting will not work, as it continues to boot loop. You'll have to hold down the power button for 5 secs (or whatever amount of time) until your PC manually shuts down. Turning it back on immediately after a shutdown continues the boot loop, you must wait at least 20-30 seconds.
3) In order to get the board to boot properly you'll first have to turn off your power supply (the switch on your PSU if you have one) and pull the power cord. Wait approx. 30 seconds, reinsert the power cord, flip the switch and press the power button. This should get your system to boot normally on 80% occasions according to my experience. Some members have stated that the CMOS must be reset, 24-pin mobo plug needs to be unplugged and CMOS battery has to be removed. You are free to try those methods if the pulling of the power cord method does not work.
There have also been reports of disabling certain options in your BIOS that will remedy the boot loop. First off, those people were not experiencing a boot loop, just a hiccup on a old chipset.
This boot loop problem unique to P67/Z68 chipset and so far most relevant on Gigabyte boards.
At the time of this writing all Gigabyte Z68XP version motherboards only have 1 BIOS update to choose from, which isn't really a update at all.
4) No matter what you do, flashing the backup BIOS with the latest BIOS does not solve the issue. Sadly on some of the newer Z68 boards, THERE'S ONLY 1 BIOS!
Edited by AzO - 7/24/11 at 10:52pm
Has anyone else encounter this with their new Gigabyte P67/Z68 boards?
I've had 3 builds with other makers, 2x MSI and 1x Asus and those board did not exhibit this problem, both boards are P67 boards.
Facts about Boot Loop:
1) On a cold boot your motherboard will POST up to the "Memory Testing" (which is like the first 3 lines on your POST screen) line and then restarts on it's own. It will continue to do this for a infinite number of times, theoretically. If someone actually wants to sit in front of their computer and start a count on how many times it restarts, be my guest.
2) Restarting will not work, as it continues to boot loop. You'll have to hold down the power button for 5 secs (or whatever amount of time) until your PC manually shuts down. Turning it back on immediately after a shutdown continues the boot loop, you must wait at least 20-30 seconds.
3) In order to get the board to boot properly you'll first have to turn off your power supply (the switch on your PSU if you have one) and pull the power cord. Wait approx. 30 seconds, reinsert the power cord, flip the switch and press the power button. This should get your system to boot normally on 80% occasions according to my experience. Some members have stated that the CMOS must be reset, 24-pin mobo plug needs to be unplugged and CMOS battery has to be removed. You are free to try those methods if the pulling of the power cord method does not work.
There have also been reports of disabling certain options in your BIOS that will remedy the boot loop. First off, those people were not experiencing a boot loop, just a hiccup on a old chipset.
This boot loop problem unique to P67/Z68 chipset and so far most relevant on Gigabyte boards.
At the time of this writing all Gigabyte Z68XP version motherboards only have 1 BIOS update to choose from, which isn't really a update at all.
4) No matter what you do, flashing the backup BIOS with the latest BIOS does not solve the issue. Sadly on some of the newer Z68 boards, THERE'S ONLY 1 BIOS!
Edited by AzO - 7/24/11 at 10:52pm
My specs:
Z68X-UD3H-B3
i5 2500k
Cooler Master Hyper 212
2x 4gb Corsair XMS DDR3 (also tried crucial ballistix)
SATA RAID 0 2x WD raptor 36g
SATA RAID 0 2x Seagate 7200.12 500g
Galaxy GTX 460 SLI 768
Lite-ON DVDRW
Sony Blu Ray
PCP&C 760Watt PSU
What I have personally tried -
- Every other BIOS listed for this board - nothing fixes it.
- 2 other known working 700+ Watt power supplies
- i3 2100
- different PCI-E video card
- Known working RAM (verified via memtest)
- Different brands / different # sticks of known working RAM
- No RAID / different HD
- Different DVD-Rom
I've found that manually setting my memory voltage to 1.65v and QPI/VTT to 1.2v seems to cut down on the boot loop. Doesn't entirely fix it, but does cut down the occurrence.
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