DDR3 RAM - Quad Channel Supported but not posting.

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Olli399

Olli399

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Apr 19, 2016
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[strike]Mobo: ASRock 980DE3/US3

I have 4 sticks of identical Hyper X Fury DDR3 1866.
(2 bought in Dec '15 and 2 bought May '16)

My Motherboard Supports 32GB according to spec sheet and has 4 slots open.
Booted to windows successfully using 2 of the 4 sticks in slots 1+3 and 2+4. (using all 4) so I know that the individual sticks all work.

However when booting in quad channel with all of the sticks, the computer doesn't even post.
[/strike]

Apparently the Motherboard, despite having 4 slots, only supports Dual Channel RAM.

NICE ONE ASRock! :|

http://www.asrock.com/mb/AMD/980de3u3s3/
 
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bratShone

bratShone

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Apr 20, 2016
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dude if u have 4 slots u must use them all, just restart ur bios with removing battery for 30 secs, if that doesnt work try updating ur bios, and see if u have option in bios for turning on all slots
 
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Rogue Leader

Rogue Leader

It's a trap!
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Dec 22, 2014
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No AMD boards support Quad channel ram, it has to be supported in the chipset. Even Intel Skylake does not support it.

On the consumer side only Intel X99 supports quad channel ram.

As for your problem you should still be able to use all 4 slots there is no reason you cannot. The RAM will work together in dual channel. What is likely your problem is its possible Kingston changed chip vendors in the middle and your new RAM is incompatible with your old ram. It does happen, and is a common issue with Ram that is not all bought together.
 
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faalin

faalin

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Feb 22, 2012
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intel's socket 1366 supports single, dual and triple, and intel's socket 2011 supports single, dual, triple, and quad channel mode. Every other socket 1150, 1151, 1155, 1156, 775 and older for intel AM2, AM2+, AM3, AM3+, F, FM1, FM2 and older from AMD only support dual and single channel ram.
 
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Olli399

Olli399

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Apr 19, 2016
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That's not the case as I can change any of the RAM sticks out for any of the others and it will work

 
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Rogue Leader

Rogue Leader

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Dec 22, 2014
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So you have tried pairing a stick from one set and a stick from the other and it works, in both the same and different channels and it works?
 
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geofelt

geofelt

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Oct 9, 2006
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A motherboard must manage all ram sticks with the same voltage, speed and timings.
It is much harder to do with 4 sticks vs. 2.
That is why ram to be supported must be in a matched kit.

Given that you already have the ram, try increasing the ram voltage in the bios a bit.
 
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Olli399

Olli399

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Apr 19, 2016
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Overclocking the CPU? no

the RAM? yes, it's working as it should like it was before
 
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Rogue Leader

Rogue Leader

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Try setting RAM back to defaults in your BIOS to see if it works. Then start bringing things up. Sometimes AMD processors have issues with running 4 higher Mhz RAM.
 
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Rogue Leader

Rogue Leader

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Dec 22, 2014
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So that right there says setting them back to default will probably run them fine. Then bump them up to 1600.
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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What CPU? As mentioned above, there AMD doesn't have any CPUs that support quad channel. ANd the actually the upper end FX CPUs are rated up to 1866 at 1 DIMM per channel. For 32GB you may well need an OC of the CPU as well as additional voltage to the MC (normally the CPU/NB voltage). Also what's the actual model number of the DRAM, sounds like it's a mix of 2-4 packages of DRAM and mixing DRAM from different packages is never a good idea, even if the same model #
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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Without knowing the CPU no way of getting an idea of what you CAN run or how to set it up. The motherboard plays a part in DRAM, but it's the MC (memory controller) in your CPU that is the defining factor...i.e. wrote an article

http://www.tomshardware.com/reviews/dram-benchmark-fluctuations,4080.html

where I was running sets of 4x8GB 2400 DRAM with an 8370, other 8370s I've played with could only run 32GB at 1866 (on the same mobo)
 
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