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z170 Extreme 4+ G.Skill 2800 No Dual Channel

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Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
Printed Date: 16 Jun 2024 at 11:18am
Software Version: Web Wiz Forums 12.04 -

Topic: z170 Extreme 4+ G.Skill 2800 No Dual Channel
Posted By: Akela
Subject: z170 Extreme 4+ G.Skill 2800 No Dual Channel
Date Posted: 09 Oct 2015 at 4:26am
is something wrong with this RAM or is the board really not supporting this chips ?
I can only run these things in singlechannel.

2x 8GB G-Skill RipJaws F4-2800C16D-16GRR
Tested A2+B2 and A1+B1
Both Modules are running in A1+A2 singlechannel

BIOS 1.50
I5 6600K

Dr.Debug loops with 00 19 4C
CMOS was cleared.
With Bios 1.0, fresh from the BOX i had Post-code 55 in A2+B2

Thx for help

Posted By: ASRock_TSD
Date Posted: 16 Oct 2015 at 7:31pm
Dear customer,
Thank you for the query.

We provide some suggestions for try:
1. Due to the memory controller is located in CPU,  please reinstall the CPU and check whether there's any bent or broken pins in CPU socket.
2. If possible, please use another CPU or memory to verify.
3. If possible, please install the memory to another motherboard to verify.

Kindest regards,
ASRock TSD  

Posted By: excaliburn92
Date Posted: 16 Oct 2015 at 9:51pm
If they don't run in dual channel even after trying all the slots and they work fine in single channel mode , then it's probably the RAM. See if you can get a replacement.

Posted By: Akela
Date Posted: 19 Oct 2015 at 2:39pm

i've send all back to the dealer. (mindfactory) They said, CPU and RAM seems to be ok, got a new board.
will see

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