UD5 takes ages to turn on.

JonJ678 · 12 Oct 2009 at 18:25

I've not timed it accurately, but the delay between hitting on and the board posting is long enough to worry me. Perhaps ten seconds, perhaps eight. Only occurs from a cold start, reboots don't have the same effect.

It seems to be running fine. It's stable at 4ghz and has been folding for a couple of days. However I am worried about this. does it suggest the psu is inadequate? It's an 860W pc p&c so shouldn't be. It takes a lot less time until post at stock settings, but still a couple of seconds.

Anyone notice something similar?

Simon D · 12 Oct 2009 at 18:56

Yes I see the same effect, I believe it is running it power/sensors /temperature check on the CPU, NB, DDR (voltage & phase) as all the LED lights are lighting up on the board.

Plec · 12 Oct 2009 at 18:59

Hey Jon

It may not be a board specific problem but rather a clocking phenomenon - as my system has started to do this again now winter has kicked in and it only does it under a heavy clock. This sometimes turns into a cold boot issue – but the cure is the same…

I've had to up the vCore a couple of increments (and sometimes other settings, dependent on the clock) and have found that it cures both symptoms - although i occasionally still endure a long 'Gigabye Display' boot screen.

It may not be related but a upping the vCore a couple of increments (or at least having play with some other settings) is a quick and simple test and ‘may’ yield results.

Good luck with it.

EDIT:

Simon D said:
Yes I see the same effect, I believe it is running it power/sensors /temperature check on the CPU, NB, DDR (voltage & phase) as all the LED lights are lighting up on the board.

Having posted the above - it looks like it may be board specific

RJC · 12 Oct 2009 at 19:00

Mine goes through various start-up procedure which takes quite a few seconds, but never timmed it though going to have to check.

McstylisT · 12 Oct 2009 at 19:13

I have similar happenings on my DFI JR T3H6 x58 1366 mobo.

It can power up flash the hard drive lights but not post straight away. Might take 3 attempts before i see a post.

I believe it has something to do the overclock of my system. At stock this does not happen and it post pretty much immediately after power on checks are done. However i do not feel its anything to worry about. Just the system possibly stabilizing the clock and voltages

McT

setter · 12 Oct 2009 at 19:38

My previous q9550/p5q combo at 3.8ghz was also a slow booting system, current p6t/i7 is also a bit slow (stock) but thats probably down to express gate, no cpu fan warning, hit F1 and other odds and sods that i still have to disable.

JonJ678 · 12 Oct 2009 at 19:48

I'm not too fussed about post taking a long time; post took longer than windows took to load on my last system. It's the fans spinning with nothing on the screen for ages before post starts that worries me. I'll time it when it next reboots.

Thanks plec, more vcore may well resolve this. There's about 0.15V left to go before I hit dodgy voltages so all should be well. It's actually stable at the moment, so I'm going to leave it running until the current work unit finishes before I change anything in the bios.

Cheers all

Simon D · 12 Oct 2009 at 19:58

JonJ678 said:
I'm not too fussed about post taking a long time; post took longer than windows took to load on my last system. It's the fans spinning with nothing on the screen for ages before post starts that worries me. I'll time it when it next reboots.

Thanks plec, more vcore may well resolve this. There's about 0.15V left to go before I hit dodgy voltages so all should be well. It's actually stable at the moment, so I'm going to leave it running until the current work unit finishes before I change anything in the bios.

Cheers all

What are the dodgy voltages on the i7 920 I should be aware of?

I am running with these setting

Load-Line Calibration - Enabled
CPU Vcore - 1.32500v
QPI/Vtt Voltage - 1.295v
IOH Core - 1.160v
DRAM Voltage - 1.60v

Hotwired · 12 Oct 2009 at 20:06

My new system also takes longer to boot windows than my last.

i5 750 @ 3.5 vs ye olde P4 @ 3.0.

Even at fresh installation before OC.

The irony.

Still, once booted it shows its colours somewhat more.

Just goes to show, time to boot windows means jack.

setter · 12 Oct 2009 at 20:07

Heres a list i found on an oc guide for max voltages.

vcore, 1.4
pll, 1.88
vdimm, 1.65
qpi/uncore, (vtt), 1.35
ioh, less than 1.3
ich, less than 1.3

Link to guide.

http://www.overclock.net/intel-cpus/538439-guide-overclocking-core-i7-920-4-a.html

Simon D · 12 Oct 2009 at 21:02

setter said:
Heres a list i found on an oc guide for max voltages.

vcore, 1.4
pll, 1.88
vdimm, 1.65
qpi/uncore, (vtt), 1.35
ioh, less than 1.3
ich, less than 1.3

Link to guide.

http://www.overclock.net/intel-cpus/538439-guide-overclocking-core-i7-920-4-a.html

Thanks

I notice that in the guide that it talks about enabling power saving functions (CPU Enhanced Halt (C1E), CPU Thermal Monitor, CPU EIST Function and Bi-Directional PROCHOT) once you have determine your OC is stable.

Are people using the power saving functions?

I have enabled them and my OC seems to work still, does not drop the Vcore as I am not using the auto setting in the bios.

I may leave them in place for the extra protection, just in case the CPU over heats.

setter · 12 Oct 2009 at 21:42

I always enabled them on my previous rigs (q6600 at 3.8ghz, q9550 at 3.8ghz) as long as the oc is proven stable, no need for high speed when doing something like web browsing, probly helps with the leccy bill a bit as well.

Reality|Bites · 12 Oct 2009 at 22:31

not helpful but I read the title and instantly thought of the reply of

Dress in sexy underwear and talk dirty to it.

Anyway it's due to the way Gigabyte tell their boards how to detect storage devices, read it on one of their forums or bios update info pages.