Not possible to run Abit µGuru/OC Guru on a modified Xeon X5450 with LGA 775 board
Not possible to run Abit µGuru/OC Guru on a modified Xeon X5450 with LGA 775 board
Hello everyone.
Until yesterday, I was using an overclocked Core2Duo E6750 with an Abit IP35 pro mainboard (LGA 775, P35 chipset, latest BIOS). I really enjoy my configuration and decided to enhance it by installing a Core2Quad. After reading about the Xeon upgrade, I thought it could be a good fit since it would let me add a LGA 771 Xeon on an LGA 775 board. I verified compatibility on www.delidded.com, ordered a pre-modified Xeon from eBay, removed the socket tabs from the 775 socket, installed the new processor, reset the BIOS, and restarted the system. Everything worked perfectly. My CPU scores doubled, and I was quite satisfied with the outcome.
I kept refining my BIOS settings, but started to observe that adjustments made in the µguru tab were not saved. Even minor tweaks, such as fanEQ control, failed to persist. Each time I modified something in µguru and exited before saving, the computer would restart, then shut down again, only to restart once more—every change in µguru was cleared. However, any BIOS modifications did get recorded.
I searched online but found only a note on www.delidded.com advising me to check my BIOS dump for the Xeon microcode using "intelmicrocodelist.exe". I discovered that my CPUID (10676 for SLANQ) was present in the dump. Despite patching the BIOS file with CBROM195, no updates were made to the microcode list. Therefore, I chose not to flash the modified BIOS file.
(Question: Are there other adjustments made during the microcode addition that I might have missed? Does the microcode merely list supported CPUs, or does it contain additional instructions for the BIOS to handle the processor?)
I attempted to flash a beta BIOS version v20 from https://soggi.org/motherboards/abit.htm using awdflash, but it didn’t work. I would appreciate any advice on this issue.
The Xeon requires Platform ID 44, while the LGA775 is Platform 11. This affects fan and temperature management. I upgraded from a CPUID 1067A Q9505S to a 1067A X5470, and after a BIOS reset, it worked fine. The platform 44 BIOS update helped improve fan control and other settings.
https://www.bios-mods.com/
https://www.overclock.net/forum/5-intel-...ub-97.html
It seems the BIOS is no longer communicating correctly with the CPU.
The Xeon requires Platform ID 44, while the LGA775 is Platform 11. This affects fan and temperature management. I upgraded from a CPUID 1067A Q9505S to a 1067A X5470, and after a BIOS reset, it worked fine. The platform 44 BIOS update helped improve fan control and other settings.
https://www.bios-mods.com/
https://www.overclock.net/forum/5-intel-...ub-97.html
It seems the BIOS is no longer communicating correctly with the CPU.
I told you about trying to flash my BIOS. It worked not just with the beta-img but also with the modified BIOS using the latest microcode list.
AWDflash 8.99 froze with an "invalid op code" at some hex addresses. I used AWDflash after booting with a rufus boot-stick.
I also attempted to flash the original BIOS-file, but got the same outcome. It could be OT, but perhaps someone here understands what I'm doing incorrectly.