Z170 Extreme7+ and 64GB RAM
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=3342
Printed Date: 01 Mar 2025 at 5:19pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Z170 Extreme7+ and 64GB RAM
Posted By: Miklos
Subject: Z170 Extreme7+ and 64GB RAM
Date Posted: 31 Aug 2016 at 3:36am
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I just picked up 2x Extreme7+ board with ì7-6700K, 3x NVMe in each as well as 64GB memory kits from Kingston (4x 16GB). If I plug in 2 sticks the machine works fine, but if I plug in all 4 it hangs during POST with error code 53. Do I need to do anything special to use 64GB memory on this board? Memory specs: http://www.kingston.com/dataSheets/HX421C14FBK4_64.pdf When I get the 64GB to work, this board makes for an amazing FreeBSD workstation as FreeBSD 11 + NVMe in ZFS + 2x Intel gigabit nics is just plain awesome, can't wait to use them properly :)
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Replies:
Posted By: parsec
Date Posted: 31 Aug 2016 at 11:12am
Are you running your memory at 2133, or a higher speed? Did you clear the UEFI/CMOS when you put all four DIMMs in the board? In the UEFI, OC Tweaker, DRAM Configuration screen, way at the bottom look for the MRC Fast Boot option. Set it to disabled, which will cause memory training to occur, which helps with memory stability. Have you tested every DIMM you have, meaning trying the two DIMMs you added for a total of four, but just by themselves? ------------- http://valid.x86.fr/48rujh" rel="nofollow"> 
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Miklos wrote: