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RAM Issues

Ray_Jay1971
Level 7
In my BIOS it is only reading 8GB and in my System Properties it tells me that there is... Installed memory (RAM): 16.0GB (7.95GB unusable). And by the way when I use 2 x 4GB sticks it only reading 4GB instead of 8GB. I have tried every combination but, still no luck.

I am using the following componants:
    ASUS Crosshair V Formula Motherboard,
    ASUS Radeon HD7970 DirectCU II TOP 3GB,
    16GB (4 x 4GB) of Corsair Dominator GT 2133MHz DDR3 RAM,
    AMD FX-8120 8-Core Processor, and
    Corsair AX750 Gold Power Supply.


Any ideas why this is???
:cool: My Gaming Machine :cool:
Corsair Obsidian 650D Case,
AMD FX-8150 8-Core Processor,
ASUS Radeon HD7970 DirectCU II TOP 3GB,
4 x Western Digital WD Red 2TB WD20EFRX (RAID 5),
2 x Corsair Force Series GT 240GB SSD (RAID 0),
Corsair Vengeance K60 Keyboard,
Corsair Dominator GT 2133 DDR3 RAM (4x4GB),
Corsair Vengeance M60 Mouse,
ASUS Crosshair V Formula-Z Motherboard,
Corsair AX860i Power Supply,
ASUS ROG Xonar Phoebus Sound Card, and
Corsair SP-2500Speakers.
12,988 Views
15 REPLIES 15

bikeman
Level 7
You can be enabled "Memory Hole Remapping" in the bios.

Where can that be done???
:cool: My Gaming Machine :cool:
Corsair Obsidian 650D Case,
AMD FX-8150 8-Core Processor,
ASUS Radeon HD7970 DirectCU II TOP 3GB,
4 x Western Digital WD Red 2TB WD20EFRX (RAID 5),
2 x Corsair Force Series GT 240GB SSD (RAID 0),
Corsair Vengeance K60 Keyboard,
Corsair Dominator GT 2133 DDR3 RAM (4x4GB),
Corsair Vengeance M60 Mouse,
ASUS Crosshair V Formula-Z Motherboard,
Corsair AX860i Power Supply,
ASUS ROG Xonar Phoebus Sound Card, and
Corsair SP-2500Speakers.

Just out of curiosity, are you using 32 bit Windows or 64 bit? 32 bit Windows will not recognize more than 4 GB of RAM.

sectionate
Level 12
^- as he said about 32 bit windows - If you are using 64 bit windows here is a listing of max of different builds - 8/home basic 64bit - 16/home premium 64bit - 192/Professional/Enterprise/Ultimate 64bit
Crosshair IV 1090T 4093.7 - Crosshair V FX - 8350 Batch # 1243PGT 4.422MHz - 4816.08 MHz 1.5v - GSKILL F3-14900CL9D-8GBSR(x2)1087.6 11-12-10 1.5volts - ViewSonic VX2439wm - Acer GD235HZ - SyncMaster P2350 - PowerColor Red Devil RX 480 8GBD5-3DH/OC - Current Mode: 5760 x 1080 - (retired) ASUS GTX660DC2O2GD5 - Nvidia 3D Vision Wired - HAF 932 - Corsair HX850 - Corsair H100i - latest quakelive.com - Day thirteen 60fps - as always I'm powered by Futurelooks.com

rnealj62
Level 7
I had a very simular problem with my 16gig of RAM showing up just like yours. I found that the RAM sticks were no seated COMPLETELY in the board. Sometimes you must use a little force to make sure they are firmly seated
FX 8150 4.6ghz
Crossair V Formula
Corsair VENGANCE DDR3 2133 16gig
2x EVGA GTX 680 HYDRA COPER in SLI
2x Samsung SSD 128 in RAID 0
WD V Raptor 300gig
2x Samsung 1tb in RAID 0
Thermaltake 1050w 80 + Gold
Thermaltake Level 10 GT Snow edition/custom water cooled
STRIKE - X fan controler.
ASUS VE278 27" monitor
ACER S20 1HL 20" monitor
Logitech Z906 THX Cert 5.1
Pioneer BD optical drive

HiVizMan
Level 40
Please do check and see that your ram is correctly seated. All to often we are fooled by the single click, there needs to be even downward pressure when we fit the memory.

If that does not resolve your problem, please just test each stick in the same slot and see if any of your sticks are not being picked up, then pop one working stick of ram into each of the ram slots in turn. That way you will know if your board is picking up the sticks correctly.
To help us help you - please provide as much information about your system and the problem as possible.

Thanks for all your tips etc... I am running a 64bit system, the RAM is seated correctly, it is definitely NOT the RAM at fault as I have tested it in another PC and it reads as 16GB.

I am now waiting for a reply back from where I bought it from, so I can get a refund. :rolleyes:

Might have to go with another motherboard brand :mad: I wish Corsair would bring out motherboard, I've no issues with anything Corsair branded. :cool:
:cool: My Gaming Machine :cool:
Corsair Obsidian 650D Case,
AMD FX-8150 8-Core Processor,
ASUS Radeon HD7970 DirectCU II TOP 3GB,
4 x Western Digital WD Red 2TB WD20EFRX (RAID 5),
2 x Corsair Force Series GT 240GB SSD (RAID 0),
Corsair Vengeance K60 Keyboard,
Corsair Dominator GT 2133 DDR3 RAM (4x4GB),
Corsair Vengeance M60 Mouse,
ASUS Crosshair V Formula-Z Motherboard,
Corsair AX860i Power Supply,
ASUS ROG Xonar Phoebus Sound Card, and
Corsair SP-2500Speakers.

Ray Jay1971 wrote:
Thanks for all your tips etc... I am running a 64bit system, the RAM is seated correctly, it is definitely NOT the RAM at fault as I have tested it in another PC and it reads as 16GB.

I am now waiting for a reply back from where I bought it from, so I can get a refund. :rolleyes:

Might have to go with another motherboard brand :mad: I wish Corsair would bring out motherboard, I've no issues with anything Corsair branded. :cool:


Have you ensured the RAM is running at the correct voltage? if it is, maybe you should bump it up a notch or two...or bring the Frequency down from 2133 to 1866...just to see what happens.

Ray Jay1971 wrote:

Might have to go with another motherboard brand :mad: I wish Corsair would bring out motherboard, I've no issues with anything Corsair branded. :cool:


My friend you go with what works for you. This time round a ROG board did not.

Oh and you are one lucky dude - I have spent way to many hours trying to sort out issues with corsair products on this forum.

Good luck. 🙂
To help us help you - please provide as much information about your system and the problem as possible.