Asus CROSSHAIR IV FORMULA 890FX and RAM problem

[andrew1982]

Hi all,

This is my first post. I recently bought an Asus CROSSHAIR IV FORMULA 890FX Socket AM3 8 Channel Audio ATX Motherboard brandnew from Ebuyer. All works fine until I tried to add an extra 4gb of Corsair Dominator Ram. It will only boot up with 4gb. Could both of the empty ram slots be faulty? Any ideas? I have tried all 4 sticks of ram and they work fine.

Andrew

 

[oldbrave]

First of all you need to look for a memory setting in the BIOS "memory hole remapping" and make sure that is enabled. Second are you running a 32 bit or a 64 bit version of windows, if it's a 32 bit ver then 4Gb is all it will see and you'll need to move up to a 64 bit version to use all 8 Gb of ram.

 

[andrew1982]

Memory hole remapping is enabled and I have installed Windows 7 64bit version.

 

[I.M.O.G.]

Are all the sticks matched? Or are 2 sticks different than the other 2 sticks? The board may be having trouble figuring out the correct SPD settings once the additional 2 sticks are added in.

 

[andrew1982]

All matched and work in the 1st 2 ram slots fine.

 

[I.M.O.G.]

reset BIOS to failsafe defaults and get the same thing? after that, I would start talking to asus support. if they are all matched sticks and any mixture of sticks works in the first 2 slots but not with all 4, it sounds like its support time and possible rma.

 

[F-U-B-A-R]

Make sure the ram is secure & pushed in tight on the side that doesn't lock in. I had the same issue your having when I used to have that board. Push the ram down tight & try again.
good luck.

 

[andrew1982]

I've just found out why they wont work:

http://dlcdnet.asus.com/pub/ASUS/mb/socketAM3/Crosshair_IV_Formula/C4F_Memory_QVL20100726.pdf

Not impressed.

CMP8GX3M4A1600C8 Corsair Dominator - Memory - 8 GB : 4 x 2 GB - DIMM 240-pin - DDR3 - 1600 MHz / PC3-12800 - CL8 - 1.65 V - unbuffered - non-ECC

 

[redduc900]

Just because your RAM isn't on the memory QVL doesn't necessarily mean it won't work w/ your particular board. And we don't allow items for sale outside of the Classifieds, so as soon as you reach 100 posts you can post your RAM for sale there.

 

[andrew1982]

If you look it is on there thats why it won't work. I will have to buy 2 x 4gb sticks or Corseair RAM.

 

[redduc900]

If your RAM is listed in the QVL, then it was tested by Asus and qualified to work w/ your board.

 

[SCORN153]

Read the manual for the Mother board...Installing new Ram. You need to push a button on the mother board somewhere to configure and accept the RAM.

 

[Mandrake4565]

Bring out your dead!

 

[LoganG]

 

[oldbrave]

If you look on Corsair's page for that memory:
http://www.corsair.com/us/cmp8gx3m4a1600c8.html
in the overview section it states :
"Guaranteed to work on all dual channel Intel platforms"
and there is no mention of the memory working on AMD systems.
I would take that as saying that this memory is NOT recommended for AMD systems !