Cannot configure RAM to run at 2133 MHz

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bywage

Commendable
Nov 4, 2016
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From what I can see, I've already enabled 2133 MHz in the BIOS. The total memory displays 2133 but just under the DRAM information it displays "DIMM_A1: G-Skill 8192MB 1333MHz" and "DIMM_A2: G-Skill 8192MB 1333MHz". ALSO in Task Manager it's showing 1333 MHz as well.

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I'm using G.SKILL Ripjaws X Series 16GB (2 x 8GB) 240-Pin DDR3 SDRAM DDR3 2133 (PC3 17000).

Link to the RAM: http://www.ebay.com/itm/301958827991?_trksid=p2060353.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
 
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Calvin7

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Feb 19, 2013
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AMD A10-7870K supported memory is DDR3-2133 with no overclock. Memory for OC is DDR3 2400.

A88XM-A supports AMD Memory Profile (AMP) memory, but does not offer XMP (eXtreme Memory Profile) support. You will need to manually set the:
1) Memory Clock
2) DRAM Timings
3) DRAM Voltage

Download motherboard manual. turn to page 2-13.
First, 2.5.1 Change AI Overclock Tuner to [Manual] from [Auto].

Next, 2.5.2 Change Memory Frequency to [DDR3-2133MHz] from [Auto].

Next, page 2-14
2.5.6 DRAM Timing Control
The memory is rated at Tested Latency 10-12-12-31-2N
Set CAS# Latency to 10
set next number to 12
set next number to 12
set next number to 31
set Command Rate to 2 or 2N

Next, page 2-14
Change DRAM Voltage to 1.60v

Save & Exit BIOS. Done!

Memory specifications (see specification tab)
http://www.gskill.com/en/product/f3-2133c10d-16gxm
 
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bywage

Commendable
Nov 4, 2016
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1,510


I've followed your instructions exactly but it still shows that the speed is only 1333 MHz in Task Manager.
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Although in CPU-Z it shows 2133 MHz but only single channel ram. ALSO: Bios recognizes that there is 2 sticks of ram installed but is only using one of them...so instead of showing 16GB like it should it only displays 8GB.
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I can't seem to find the problem.
 
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bywage

Commendable
Nov 4, 2016
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It's already running the latest BIOS. I'm using the correct slots and I've even tried variations.

I'm pretty sure energy saving mode isn't being used. Where would I find that?
 
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Mikel_4

Mikel_4

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Oct 15, 2016
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EPU is asus exclusive feature for balancing wattage consumption without sacrificing performance, what puzzled me is that how win 10 detect 8 instead of 16 GB if you correctly put 16 GB kit on slot_1 and slot_2 or slot_3 and slot_4, and only single channel! even though gskill doesn't enlist A88XM-A on their f3-2133c10d-16gxm QVL neither asus doesn't enlist f3-2133c10d-16gxm on their A88XM-A QVL.
 
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bywage

Commendable
Nov 4, 2016
15
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1,510


I'm just as confused as you are bud.
 
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