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8gbs of ram only showing 3.98 usable


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#1 Choober

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Posted 23 March 2015 - 01:45 PM

I want to use all my 8gbs of ram (obviously) I did msconfig and unchecked "maximum memory" and I also updated my BIOS and its still showing 

3.98 usable.

here are my specs http://valid.x86.fr/51sfen

http://i.gyazo.com/798cb26a3506ffd868793695e1a57759.png


Edited by Choober, 23 March 2015 - 01:54 PM.


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#2 illestrate

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Posted 23 March 2015 - 06:41 PM

Check to make sure all ram is seated properly, and if each individual ram stick works.  If not confirm if the proper channels are working, just do this by playing around with the ram sticks (Test 1 at a time, test in one bank at a time A1/B1, Test the 2nd bank A2/B2, clean contacts).  What you want to do is make sure that the BIOS is seeing all 4 sticks, not in Windows so get into your BIOS/CMOS settings and confirm it it can see all the ram sticks in each slot. 


Edited by illestrate, 23 March 2015 - 06:44 PM.


#3 hamluis

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Posted 24 March 2015 - 12:53 PM

From where...does this "usable" statistic come, what are you looking at?

 

Louis



#4 Choober

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Posted 24 March 2015 - 05:01 PM

From where...does this "usable" statistic come, what are you looking at?

 

Louis

I posted a screen shot of where it was located at.

 

:edit: it must have got removed here is another

http://gyazo.com/056b85aaeb8cfe9d9baecd57a5e21e1d

 

also here is a screen shot of the resource monitor 

http://gyazo.com/762335e65e79872495f289c5feaa154b


Edited by Choober, 24 March 2015 - 05:06 PM.


#5 JohnC_21

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Posted 24 March 2015 - 05:25 PM

It could be a bad RAM module. Have you tried reseating the modules? I am sure you have done this but make sure they are also installed in the same colored slots.

 

Another thing to check. Open msconfig. Under the boot tab select Advanced Settings and make sure Max Memory is unchecked.

 

Some additional things to check. Pay attention to the BIOS memory remapping setting if you have it.



#6 Choober

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Posted 26 March 2015 - 02:29 PM

I've tried everything above and still no fix yet.



#7 Avalon60

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Posted 26 March 2015 - 03:09 PM

Have you tried checking the box in Msconfig Boot tab, Advanced button? Use Maximum memory. Tick it to bring up all your ram, then untick it, and reboot



#8 cmptrgy

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Posted 26 March 2015 - 03:17 PM

Do you have a desktop or a laptop? Can you let us know the make/model of your computer?

--- Is this something new?

--- What I'm wondering about is whether or not you originally had 4GB of Ram and you have added another 4GB of RAM

and that there is the possibility of mismatched memory sticks

--- Do you have 2 slots and each one has a 4GB memory stick and are they exact matching memory sticks from the same manufacturer

 

What does your BIOS report?

 

Another thing is are all 8 cores running?

--- Someone else with more knowledge than me in this area might be able to provide some insight on the purpose of my question

--- So does it matter whether or not all 8 cores are running?



#9 cmptrgy

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Posted 27 March 2015 - 07:41 AM

http://www.cpuid.com/softwares/cpu-z.html

CPU-Z is a freeware that gathers information on some of the main devices of your system :

Processor name and number, codename, process, package, cache levels.

Mainboard and chipset.

Memory type, size, timings, and module specifications (SPD).

Real time measurement of each core's internal frequency, memory frequency



#10 Choober

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Posted 27 March 2015 - 12:36 PM

Do you have a desktop or a laptop? Can you let us know the make/model of your computer?

--- Is this something new?

--- What I'm wondering about is whether or not you originally had 4GB of Ram and you have added another 4GB of RAM

and that there is the possibility of mismatched memory sticks

--- Do you have 2 slots and each one has a 4GB memory stick and are they exact matching memory sticks from the same manufacturer

 

What does your BIOS report?

 

Another thing is are all 8 cores running?

--- Someone else with more knowledge than me in this area might be able to provide some insight on the purpose of my question

--- So does it matter whether or not all 8 cores are running?

All 8 cores are working

I'm using a gigabyte GA-970-UD3 motherboard and they have different slot colors but the ram is all the same kind and it looks the same with no different colors or numbers

I ran a mem test and it came back with nothing wrong

 

also I don't know how to change to dual channel 

http://gyazo.com/8fb6f72e2c870922c262afb668da08f9

 

also looking at my ram when I first order the parts it says

"8gb (2gbx4) ddr3/1600mhz dual channel memory (corsair or major brand)"


Edited by Choober, 27 March 2015 - 01:51 PM.


#11 JohnC_21

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Posted 27 March 2015 - 04:19 PM

According to the manual if you have two modules they need to be in slots 1 and 2 which should be the white slots.



#12 cmptrgy

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Posted 27 March 2015 - 05:04 PM

Did memtest also report single channel?

 

Is this your motherboard?

http://www.gigabyte.com/products/product-page.aspx?pid=4396#ov

Since you have 8GB RAM, you are probably using only two of them

That said it looks like your memory chips need to be installed as ganged

Install your memory chips into the blue slots

Let us know the results

 

I tried to find the manual but it was in English for only the first few pages 



#13 JohnC_21

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Posted 27 March 2015 - 05:17 PM

cmptrgy, that was the quick installation guide. Here is the full manual. According to the manual, two sticks need to be in slots 1 and 2 which according to the picture are the white ones but I could be wrong.

 

Also shown here.



#14 cmptrgy

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Posted 27 March 2015 - 06:31 PM

Great find John. I do not think you are wrong and I believe we are on the same page for matching up correct memory chips installation. Choober please refer to John's links. The second link takes you directly to the memory section



#15 Choober

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Posted 27 March 2015 - 07:17 PM

cmptrgy, that was the quick installation guide. Here is the full manual. According to the manual, two sticks need to be in slots 1 and 2 which according to the picture are the white ones but I could be wrong.

 

Also shown here.

I have tried this but my ram shows no different in serial or anything they all look Identical so It's hard for me to know which one goes where

I also have 4 sticks of ram 2GBx4

 

thanks for helping me guys


Edited by Choober, 27 March 2015 - 07:41 PM.





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