Intel Motherboards - old z77 extreme4 cpu multiplier locked

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old z77 extreme4 cpu multiplier locked

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=9563
Printed Date: 08 Aug 2025 at 3:38pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com

Topic: old z77 extreme4 cpu multiplier locked

Posted By: Ray
Subject: old z77 extreme4 cpu multiplier locked
Date Posted: 29 Aug 2018 at 11:41pm

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Hi there,

i'm a new user and i hope anyone can help me with my problem.

i have an old pc build than i decide to try to overclock my cpu over 3.8ghz but it's impossible at the moment.

The multiplier just go from x16 (min) to x38 (max).

I've tryed to clear cmos -> not resolve

I've tryed to pull off the battery of m/b -> not resolve

I've tryed to update my bios version -> not resolve

i've searched this problem on google ad some people talk about Management Engine of m/b was corrupted. How can i resolve this problem?

PC SPECS:

i5 3570k

asrock z77 extreme4

ram ddr3 1600mhz 8gb

thanks in advance and sorry for my english :D