Originally Posted by gagarin77
I sold X5482 to a guy with Asus MAXIMUS II FORMULA
This Xeon was running fine on my P5Q3 Deluxe (all AUTO with C1E and SpeedStep Enabled), but he told me that he is experiencing BSODs and it is unstable. Any ideas? So far I told him to turn off C1E and SpeedStep and I'm waiting for his response. Ofc, bios patched with microcodes.
As Arxontas said memory is more likely the culprit.
Tell him to run memtest86+ for at least 10 cycles. There`s a bootable USB stick version in the memtest86+ download section.
There are a few more.
Tell him to write down the bios settings, especially SATA configured as AHCI/RAID/IDE, first boot device, disabled onboard devices, etc.
Then load setup defaults, save and exit.
Then and without having got into windows, immediately as soon as mobo POSTs, go into bios and set SATA configured as AHCI/RAID/IDE, first boot device and he makes sure he enables the ACPI 2.0 Support that is disabled by default.
Having upgrading to a bios does not mean the motherboard runs at fresh settings. Always do a load setup defaults. Preferably before changing the cpu and right afterwards.
Then there is the thermal paste / heatsink. Especially if he uses a stock Intel heatsink the locking rods may not have locked. Or he has not used new thermal paste or uses a 45nm Dual Core heatsink.
He makes sure he has plugged the EPS+12V 4pin.
Windows XP and windows Vista users should go to the device manager, uninstall all processors then reboot. Of course the OS must be updated.
He must try a Linux Live DVD so he makes sure his windows installation is in good shape and is not making the problem.
If still fails then he must check the socket tabs, may not be clear enough and/or for bent socket pins.