1866 is posting at 1333

bowhawk000 · Apr 10, 2016

Hello,

My DDR3 1866 is posting at 1333. I have gone into BIOS and used the XMP to change it, but when I do, I get a failure to boot message and have to go back to 1333. I have also done it manually, but I get the same message. How do I go about correcting this.?

Build
Mobo: http://www.newegg.com/Product/Product.aspx?Item=N82E16813128651
RAM: http://www.newegg.com/Product/Product.aspx?Item=N82E16820231627 32gb
CPU: AMD FX-8320

Dark Lord of Tech · Apr 10, 2016

Are you overclocked at all?

bowhawk000 · Apr 10, 2016

Currently no. Everything running at stock.

Dark Lord of Tech · Apr 10, 2016

http://www.gskill.us/forum/showthread.php?t=11742
From Gskill forums , may help , scroll down to FX.

bowhawk000 · Apr 10, 2016

I tried both methods and, unfortunately, no difference. Still had a failure to boot message. I tried using XMP and changing timings and voltages manually, also changed NB voltage +.05-0.1V from stock. Oddly enough, there is no "enable DOCP/EOCP" option in my BIOS. Should I delve into overclocking my cpu to get the 1866Hz to post?

smorizio · Apr 10, 2016

is the bios on the mb at the newest rev fc?? so it has the newest ram code??

bowhawk000 · Apr 10, 2016

Well, I tried changing the CPU NB frequency to 2800MHz like it said in the guide and now my system won't boot at all. It is in a constant state of turning off and on. With no visual output to my monitors. Did I blow something?

Tradesman1 · Apr 10, 2016

Reset the CMOS, install the DRAM, enable XMP then go to DRAM voltage and raise it to 1.575 and set the CPU/NB voltage to 1.30 and save, exit and see what happens. If no joy may need a bit of an OC on the CPU

bowhawk000 · Apr 10, 2016

Tradesman1 :

Thanks for the CMOS advice, I thought I had really blown a part. Enabling XMP and raising DRAM volatage to 1.58 (did not allow 1.575 value) and NB voltage to 1.3 still gave a failure message. I will just post below some values, maybe something needs to be changed.

CPU speed 3.5 MHz
BCLK Clock Control 200 MHz
CPU NB Frequency 2200 MHz
HT Link Frequency 2400 MHz
CPU Clock Ratio 17.5
System Memory Muliplier 6.67
DDR Voltage 1.50V
VTT Voltage 1.05V
CPU Vcore 1.41250V
NB core 1.2V
DRAM Termination 0.75V
HT Link Voltage 1.2V
NB/PCIe/PLL Voltage 1.8V
CPU PLL Voltage 2.5V
NB Voltage 1.1V

Tradesman1 · Apr 10, 2016

Let's try both VTT and NB voltage to 1.15. If no joy thing we will need a CPU OC. The problem we have is the FX CPUs are rated 'up to' 1866 at 1 stick per channel (and testing to accomplish that was done with 4GB sticks. Then we factor in there are strong 8320s and weak ones to go with the norm, not to mention AMD overinflates capabilities of it's CPUs.

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1866 is posting at 1333

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