HELP NEEDED: P67 Extreme6 B2 revision BIOS problem
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=3922
Printed Date: 22 Jul 2025 at 5:39am
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Topic: HELP NEEDED: P67 Extreme6 B2 revision BIOS problem
Posted By: leatherm0nkey
Subject: HELP NEEDED: P67 Extreme6 B2 revision BIOS problem
Date Posted: 02 Dec 2016 at 6:25pm
Hi there! (os should I say here  )I have a B2 revision board, not the fixed one B3. I updated BIOS, now running 2.10. Problem: AsRock P67 Extreme 6 B2 revision BIOS update. Problem is I cannot raise the multiplier past 38 anymore. I ran my 2600K for a long time at 4,8GHz by raising only the multiplier, not BCLK, but stupid me I went ahead and updated the BIOS. The original BIOS chip on my board is ver. 1.10. AsRock does not provide any other BIOSes except 2.10 and L2.19 Beta BIOS. I have a strong suspicion that these BIOSes are compatible only with B3 revision boards. How can I flash an older BIOS back in my board and where can I find a ver. 1.10 BIOS? Thanks in advance, I would be most grateful for someone helping me out.
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Replies:
Posted By: parsec
Date Posted: 02 Dec 2016 at 11:50pm
So you have the original P67 chipset board, not the B3 revision. I bet all your SATA ports are still working just fine too, is that right? The "scandal" over the potentially faulty SATA portion of the P67 chipset was no where near as bad as users assumed it would be. The idea that the UEFI/BIOS version you used being "only" compatible with the B3 revision boards is 100% false. The B3 revision was purely a hardware issue, the only difference between the two boards is the original and fixed/improved SATA portion of the P67 chipset. What you are experiencing is the fairly well known Sandy Bridge to Ivy Bridge compatibility UEFI/BIOS update issue, while using a Sandy Bridge processor, but not completing all the required steps of this unique update. Also, the manner in which this update is done can cause problems that are difficult to fix. You can use a Sandy Bridge CPU (your i7-2600K) with this BIOS, but there is more to it than just the BIOS update. Before anything else, DO NOT FLASH YOUR BIOS TO ANY OTHER VERSION! Doing that will only make matters worse, I guarantee! I've dealt with too many people with this problem that have done that, and the only fix is replacing the BIOS chip on the board. Your BIOS chip has either the Ivy Bridge compatible CPU microcode and Intel Management Engine (IME) firmware, or hopefully not, a corrupted IME firmware. Part of this BIOS update is updating the IME firmware that is part of the BIOS. If that goes wrong and cannot be fixed, you have a problem and a new BIOS chip in your future. To review, among a few possible scenarios, what you are experiencing is setting your OC in the BIOS, but it is not seemingly communicated to the board when you are in Windows? Or are you unable to set the core multipliers past 38 in the BIOS itself? That's what you wrote, but we need to know exactly what your situation is. Finally, part of this special UEFI/BIOS update is to install the updated version of the Intel Management Engine software, as described on the download page of this update. So, what version of Windows are you using? Have you installed the IME software required for this UEFI/BIOS update? ------------- http://valid.x86.fr/48rujh" rel="nofollow"> 
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leatherm0nkey wrote:Posted By: leatherm0nkey
Date Posted: 03 Dec 2016 at 3:42am
Thanks for the reply, @parsec I've not used the SATA2 ports, no idea whether they are functional or not. When I started to update the 2.10 BIOS, I got an error message saying that this B2 revision board is not compatible with Ivy Bridge processors so installation will be terminated. That's the reason my suspicions emerged. My problem is that I'm unable to raise the multiplier past 38 in BIOS (or UEFI if you will). I had problems installing the management engine software, gave me an error message and the installation terminated. That might be the reason why I'm experiencing problems. My microcode version is 206A7/25, I couldn't find any info on whether this is the correct one. I'm using Windows 10 Pro 64bit. EDIT: I was able to install the correct version of IME software and AXTU as well. Still, multiplier is locked to max 38. Should I do something else in addition to installing IME software? EDIT 2: After some research I came to the conclusion, that IME firmware is coded on the same chip and memory space as UEFI, but at the beginning of the memory space. Updating UEFI b y normal means does not affect this memory space. Did I get this right? Concluding: What options do I have for rolling back (if not possible, then updating) the IME Firmware version?
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Posted By: leatherm0nkey
Date Posted: 21 Dec 2016 at 3:56pm
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Well then. Found no help anywhere so I ordered a pre-programmed bios chip. Everything works now. NOTE: Motherboards with serial number starting with 0..., 11... and 12... the latest suitable BIOS is version 1.80. This has been confirmed by a BIOS chip salesman who collaborates with AsRock. Newer boards support all BIOS versions.
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