Motherboard or CPU problem ????

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Joined
29 Apr 2008
Posts
4
Initial specs.
MoBo Asus P5N32-E SLI Bios 1403
CPU Intel Core 2 Duo 2.4 E6600
2 x 1 GB Crucial DDR2 667 Dual channel
PSU Seasonic 600 watts sli ready
Nvidia Geforce 7950GT 512MB
2 x 200GB Maxtor Sata 2 HDD in Raid 0
Windows Vista Ultimate - 32 bit

The system was stable and I could overclock by 20% using AI Booster. I could not go any further.

I wanted to use Flight simulator FSX but I was getting very poor frame rates so I decided to try to improve things.

My first purchase was an Intel core 2 Quad Q6600 Go Stepping and I increase the Ram to 2 x 2GB. Because of the RAM quantity problem with Vista-32 bit, I changed to Vista - 64 Bit

I started to get problems particularly when trying to overclock.
Again I use AI Booster but could not get beyond 10%. Going over this, the system freezes or automatically restarting.
Then the system would not POST. It would not post for 3 attempts the it would complete post and not load the operating system. Then it would.

I changed to RAM to 2 x 2 GB and 2 x 1 Gb Crucial Ballastix they are in the correct Dimm sockets for Dual channel.

I purchased a second Nvidia Geforce 7950GT 512 MB graphics card and using SLI

Still the same problem with the overclocking, nothing more than 10% otherwise crashing.

I changed the PSU to Cooler Master M850 watts thinking it might have been a power problem.

Still there is no change I and unable to get above 10% using AI Booster.

I have been running at the basic 2.4 GHz speed since changing the PSU yesterday and everything is stable. However when I turned the system on this morning this is the sequence:
I checked the seating of the CPU and fan before starting.

1. Swiched on - Fans and Drives power up and running - nothing on the screen and no POST

2. Pressed reset button - same result

3. Pressed reset button - POST and "warning system post failure" press F1 to continue or Del to enter the Bios setup. I pressed F1 and the operating system loaded. This is where I am now.

I am pretty certain there is an issue with the MoBo and as it is only 13 months old it is still under warranty.

I have tried both Bios updates 1403 and 1404 with no difference.
Your comments would be greatly appreciated.

Malcolm
 
Goto the BIOS, reset back to the defaults and then read up on how to overclock via the BIOS. As kearney said, the overclocking software won't give you a very stable o/c compared to doing it through the BIOS.
 
Thanks for the replies.

BTW I am now not able to overclock using AI booster. It shuts down and reboots and again it took half a dozen attempt to Post etc.

Everything is set back to default settings in the Bios.

I have removed AI Booster from my PC and I will try to overclock within the Bios.

I have noted some settings in other posts so I will gently try it.

Malcolm
 
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