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New motherboard P5N-T and strange freezes

DratatooDratatoo Registered User regular
edited January 2008 in Help / Advice Forum
Hello, I recently bought a new machine/components. After assembling it, it starts fine apparently, unless I enter the BIOS.

Ok first my specs:

Asus P5N-T deluxe mainboard
Intel Core 2 Quad 6700 (2,66 Ghz)
4GB g.skill RAM (F2-6400CL5D-2GBNQ)
Western Digital 500GB SATA drive
Geforce 7800GTX 768MB vRAM
Enermax Liberty 500W PSU
CD/DVD-ROM/Writer isn't connected

Problem description:
If I try to enter the BIOS it will often freeze with the "entering setup" message, or if I am able to navigate within the BIOS it will freeze after a few seconds.
I also notice the PC wont get past the Post (CPU detection) if I connected a USB peripheral (USB-Keyboard etc.)
Usually a reset (pushing the reset button) won't work because it would hang every time after the CPU detection. I have to shut it down completely and start it again before I can do anything with it in this case.

Solutions I tried:

- Remove the RAM and use only one bar. It changes the behavior slightly, either increase or decrease the time till the freeze. I also tried different combinations of RAM modules and slots. No change, the system hangs at one point or another during boot or within the BIOS.
- Removed the graphic card and replaced it with a S3 PCI card from the stone age. The behavior didn't change.
- Removed the HD, also no change in behavior.
- Looked at the "PC Health stats". Temperature of the CPU is at 30 - 37 degrees C. Doesn't look bad, I used stock Intel fan.
- Entered the timing of the RAM manually. (although the RAM and timing of the system was detected correctly when everything was set to auto) Behavior of the system got better, now I could use USB device and boot from my 2test USB stick" (DOS). Still random freezes within the BIOS or at startup.
- I also cleared/reset the CMOS.

Has anybody else made similar experience? Is it possible to change the settings in the BIOS to improve the condition? Its the first time I experienced something like this. Usually systems with faulty RAM wouldn't boot at all or show signs if you tried to use "a higher function" like booting an OS. I have never experienced a freeze within the BIOS - so I am afraid that the board or something else I can't replace right now (RAM is not the problem) is damaged.

fake edit: currently I have no access to a second set of DDR RAM. I am going to visit a friend now and borrow his RAM modules. Stay tuned, for great resolution of "Do have to chuck my new 1500 EUR system out of the window now?"

edit2: Stupid question: The Intel cooler has a termal pad, or? I am pretty sure it has but I just want to be 100% clear.

Dratatoo on
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