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6GB w/ 4.00 Useable - Why is this so?

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May 6, 2012 5:47:11 PM

http://gyazo.com/c8eaecf566946cf9caf323dd4eb7a74c.png?1...

Above I have posted an image from Windows. I have no clue as to why I only have 4.00GB usable.

More about : 6gb useable

a b } Memory
May 6, 2012 5:56:14 PM

What's your specification ?
May 6, 2012 6:06:06 PM


2.67 gigahertz Intel Core i7 920
64 kilobyte primary memory cache
256 kilobyte secondary memory cache
8192 kilobyte tertiary memory cache
64-bit ready
Multi-core (4 total)
Hyper-threaded (8 total)

Board: Gigabyte Technology Co., Ltd. EX58-UD3R
Bus Clock: 133 megahertz

4120.72 Gigabytes Usable Hard Drive Capacity
2319.41 Gigabytes Hard Drive Free Space

ASUS DRW-24B1ST ATA Device [Optical drive]
MagicISO Virtual DVD-ROM0000 [Optical drive]

OCZ-VERTEX3 [Hard drive] (120.03 GB) -- drive 2, s/n OCZ-1SSO22RB024NHDQU, SMART Status: Healthy
SAMSUNG HD204UI [Hard drive] (2000.40 GB) -- drive 0, s/n S2H7J1CZ919901, rev 1AQ10001, SMART Status: Healthy
WDC WD20EARS-00MVWB0 [Hard drive] (2000.39 GB) -- drive 1, s/n WD-WMAZA0278223, rev 50.0AB50, SMART Status: Healthy

ASUS DRW-24B1ST ATA Device [Optical drive]
MagicISO Virtual DVD-ROM0000 [Optical drive]

OCZ-VERTEX3 [Hard drive] (120.03 GB) -- drive 2, s/n OCZ-1SSO22RB024NHDQU, SMART Status: Healthy
SAMSUNG HD204UI [Hard drive] (2000.40 GB) -- drive 0, s/n S2H7J1CZ919901, rev 1AQ10001, SMART Status: Healthy
WDC WD20EARS-00MVWB0 [Hard drive] (2000.39 GB) -- drive 1, s/n WD-WMAZA0278223, rev 50.0AB50, SMART Status: Healthy

4096 Megabytes Usable Installed Memory

Slot 'A0' has 2048 MB
Slot 'A1' has 2048 MB
Slot 'A2' has 2048 MB
Slot 'A3' is Empty

ATI HDMI Audio
AVerMedia H727 PCIe Hybrid DVBT HDMI Capture Device
Realtek High Definition Audio
VideoMate TV SAA7133/35, Hybrid Capture Device

ATI Radeon HD 5700 Series [Display adapter]
Samsung SyncMaster [Monitor] (21.0"vis, s/n MY22H9DS310171, March 2009)
SyncMaster 2243WM(Analog) [Monitor]

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a b } Memory
May 6, 2012 6:21:04 PM

[ Before updagrade BIOS take back up of BIOS then upgrade ]
May 6, 2012 6:35:18 PM

How on earth do I do that?
a b } Memory
May 6, 2012 6:37:23 PM

What happend ?
a b } Memory
May 6, 2012 6:38:13 PM

Whats wrong ?
May 6, 2012 10:35:28 PM

Yes you are.

You have 4 slots therefore you should have dual channel sticks not random array of sticks.

What memory do you have? It is more than likely a set of triple channel RAM, or just 3 random modules.

What you can do now is take out each stick and use only one at a time in different slots just to make sure one of the slots aren't dead or dying.

Something similar happened to me where my PC only read 8 or my 12GB of RAM, my middle slot ended up being dead.

So check your stuff, and either use 2 sticks of RAM or get a new set.
a c 149 } Memory
May 6, 2012 11:54:34 PM

Razec69 said:
Yes you are.

You have 4 slots therefore you should have dual channel sticks not random array of sticks.

What memory do you have? It is more than likely a set of triple channel RAM, or just 3 random modules.

What you can do now is take out each stick and use only one at a time in different slots just to make sure one of the slots aren't dead or dying.

Something similar happened to me where my PC only read 8 or my 12GB of RAM, my middle slot ended up being dead.

So check your stuff, and either use 2 sticks of RAM or get a new set.



Incorrect. He has an LGA 1366 build so it's triple channel.

Try this. Start > Run > Msconfig > Boot > Advanced Options > Make sure maximum memory is unchecked.

To operate correctly in triple channel mode I believe your RAM needs to be in the white slots as stated above.

May 8, 2012 12:43:48 PM

anort3 said:
Incorrect. He has an LGA 1366 build so it's triple channel.

Try this. Start > Run > Msconfig > Boot > Advanced Options > Make sure maximum memory is unchecked.

To operate correctly in triple channel mode I believe your RAM needs to be in the white slots as stated above.



Why on earth does he have a mobo with 4 RAM slots?

I didn't read he had a 920 as I just skimmed through, but it's weird. Unless he has 6 slots total and didn't say that.

And yes putting the ram in a different config, as every other slot will do the trick. IDK It was 2 AM for me and I just skimmed through it.

After glancing through the manual. Some pictures show 4 slots, I have never seen this on a LGA1366, which I have as well.

But here is your solution

When enabling 3 Channel mode with three or four modules, it is recommended that memory of the
same capacity, brand, speed, and chips be used.
Wh e n e n a b l i n g 3 Ch a n n e l mo d e wi t h t h r e e memo r y mo d u l e s , b e s u r e t o i n s t a l l t h em i n t h e
DDR3_1, DDR3_2 and DDR3_4 sockets.
a b } Memory
May 8, 2012 2:15:51 PM

imo he did already correct but having problem to using complete 6GB :)  not the 3 channels
a b } Memory
May 8, 2012 2:18:36 PM

Razec69 said:
Why on earth does he have a mobo with 4 RAM slots?

I didn't read he had a 920 as I just skimmed through, but it's weird. Unless he has 6 slots total and didn't say that.

And yes putting the ram in a different config, as every other slot will do the trick. IDK It was 2 AM for me and I just skimmed through it.

After glancing through the manual. Some pictures show 4 slots, I have never seen this on a LGA1366, which I have as well.

But here is your solution

When enabling 3 Channel mode with three or four modules, it is recommended that memory of the
same capacity, brand, speed, and chips be used.
Wh e n e n a b l i n g 3 Ch a n n e l mo d e wi t h t h r e e memo r y mo d u l e s , b e s u r e t o i n s t a l l t h em i n t h e
DDR3_1, DDR3_2 and DDR3_4 sockets.


as color's your right +1
!