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i don't have any clue how to solve this wired problm!!!
1. pc restart itself
2. after shatdown within 4sec pc starts again. all fans, dvdrw got power except the display!!!

i got this problem once one month a' back than after installing windows it solved for while. but i guess this is not the answer that everytime i'll install all software

Intel mobo DP35DP
Intel core2duo E6850
4gb ram Transcend(2gb*2)1.8v
2*Seagate 320Gb HD
Thermaltake 750W Power supply(Toughpower)
Nvidia Gforce 8500GT
M-audio USB keyboard
Scope pulsar 2
DVDRW
Duel Display
850w UPS for only to use with 750w powersupply.
windows xp_sp2

thanks

I've the same mainboard working since less than a month, but I haven't had that problem.
I'm quite sure it isn't OS related, however.
You should have a look at the BIOS settings, although any kind of wake up is disabled as default, if I remember right.

I have that problem with the Asus P5GDC. [ADDED] But it goes to re-boot at all [/ADDED]

It happens if there's an active ethernet connection (although any kind of wake up is disabled in the BIOS) and with some USB periferals....

yep, it's not necessarily the sign of a problem.

Indeed the P5GDC is still working fine.
Just it bother. Hadn't been aware in time it was restarting, it happened I shut it down during XP startup....and the system was angry for that
Looks like even the BIOS can lose its settings by a forced shut down during a specific moment of the boot...

unplugging the power supply for a minute or two resets the power management.

i didn't design it!

Cochise wrote:It happens if there's an active ethernet connection (although any kind of wake up is disabled in the BIOS) and with some USB periferals....

yeah, i disable all those boot up options first thing.

thanks a lot... lets do it now....

i hade the same thing happening!!!
it helped when i unplugged my usb keyboard, and plugged in a normal ps2 keyboard...
once i had stuff installed, and i put my usb stuff back in, there were no problems!

the19thbear wrote:i hade the same thing happening!!!
it helped when i unplugged my usb keyboard, and plugged in a normal ps2 keyboard...

not helpful, if you have one of the new boards without ps/2. the famous DP35DP is one of these...

-greetings, markus-

garyb wrote:

Cochise wrote:

i didn't design it!

That's was laconic, but I was beyond the issue. Wondering how much the BIOS settings can be overridden by the OS...

kylie wrote:

the19thbear wrote:i hade the same thing happening!!!
it helped when i unplugged my usb keyboard, and plugged in a normal ps2 keyboard...

not helpful, if you have one of the new boards without ps/2. the famous DP35DP is one of these...

-greetings, markus-

I'm working with wireless keyboard/mouse connected by a single USB plug, and there are no restart issues with the DP35DP. I've also tried LAN functionality and it's OK.

I noticed restart issues with the P5GDC having a USB pendrive connected to rear USB port, but looks like this happens with that specific pendrive only and not with different ones....

Cochise wrote:I'm working with wireless keyboard/mouse connected by a single USB plug, and there are no restart issues with the DP35DP. I've also tried LAN functionality and it's OK.

I just wanted to point out that the trick with "just use a ps/2 keyboard during install" would not work...
I expect a ps/2 keyboard connected with a ps/2 to usb adapter to cause the same trouble, if usb is the cause at all.
I for one intend to use one, since I cannot part with my heavyweight compaq keyboard. I'm so used to it, having a huge space key not being squeezed by some windows keys...

-greetings, markus-

The same Logitech keyboard/mouse set doesn't bring any restart, USB plugged to the P5GDC.... It has 'native' USB plug, no adapter...

the only adapter I have for my Logitech Cordless Mouse is PS/2 to DB9 serial...

ok after 5months problem remains...
so im going to update bios. here is the file that i'd download from intel DPP3510J.86A.0497.EB...
than i'll format c again than will see..

this setup was so cool except this wired restart prob

Not sure this could be a solution, but... do you have any chance to try with a different PSU?
Did you tried without UPS?

yes, the psu could cause that problem.

is psu is power supply unit?
i'd changed ups but result is same.