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RAM frequency is lower than what it should be


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#1 GasT

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Posted 11 June 2015 - 04:23 PM

I was checking the ram installed on my laptop for an upgrade with CPU-Z and noticed that it list it as working with a DRAM frequency of 399.0 MHz witch would amount to only 800 MHz being a DDR3 RAM, it should say 667.0 MHz for the correct frequency of 1333 MHz.

 

CPU-Z on the SPD tab says:

 

DDR3

Module size: 2048 MB

Max bandwidth PC3-10700 (667 MHz)

 

Memory tab:

Type: DDR3

Size: 2GBytes

 

DRAM Frequency: 399.0 Mhz

FSB:DRAM: 1:2

CAS# Latency (CL): 6.0 clocks

RAS# to CAS# delay (tRCD): 6 clocks

RAS# Precharge (tRP): 6 clocks

Cycle Time (tRAS): 15 clocks

 

Mainboard tab:

Mother:

Manufacturer: Gateway

Model: SJV52_MV V1.14

Chipset Intel GL40 Rev. 09

Southbrige Intel 82801 IM (ICH9-M) Rev.03

 

BIOS:

Brand: Gateway.

Version: V1.14

Date: 07/26/2011

 

I will attach screen captures from the tabs of CPU-Z

 

Is this ok or is my laptop ram underutilized?

Attached Files



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#2 dc3

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Posted 12 June 2015 - 01:53 PM

Please download and install Speccy to provide us with information about your computer.  Clicking on this link will automatically initiate the download. 
 
When Speccy opens you will see a screen similar to the one below.
 
speccy9_zps2d9cdedc.png
 
Click on File which is outlined in red in the screen above, and then click on Publish Snapshot.
 
The following screen will appear, click on Yes.
 
speccy7_zpsfa02105f.png
 
The following screen will appear, click on Copy to Clipboard.
 
speccy3_zps1791b093.png
 
In your next post right click inside the Reply to Topic box, then click on Paste.  This will load a link to the Speccy log.

Family and loved ones will always be a priority in my daily life.  You never know when one will leave you.

 

 

 

 


#3 GasT

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Posted 13 June 2015 - 09:40 AM

http://speccy.piriform.com/results/fBhhP2I7VqBgPxsWkRWedCy

 

Sorry for taking so long to answer.



#4 GasT

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Posted 18 June 2015 - 04:01 PM

Did I miss something?



#5 dc3

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Posted 20 June 2015 - 08:31 AM

Have you tried changing the RAM frequency in the BIOS?


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#6 GasT

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Posted 21 June 2015 - 03:53 PM

My current BIOS doesn't allow me to change the RAM settings and I cant find a way to enable the option.



#7 technonymous

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Posted 21 June 2015 - 11:01 PM

Not sure what model Gateway this is. That cpu is socket 478 dual core, rated bus speed @800mhz fsb. There are 2GB DDR2 667Mhz. I am not sure why says DDR3 667mhz sodimm. Must be a speccy error. It's running at the bus speed it's supposed to. The notches on DDR, DDR2, DDR3 are all different.



#8 Platypus

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Posted 22 June 2015 - 03:44 AM

As techonymous says, the memory is being run at the correct speed in that board, although it is DDR3 from the part number.

 

The Intel specs for the GL40 MCH do specify 800MHz FSB:

 

"800 MHZ FSB; up to 4GB 667/800 MHz DDR2 or 800 MHz DDR3 system memory"

 

http://www.intel.com.au/content/dam/doc/product-brief/mobile-gm45-intel-gs45-gl40-express-chipsets-brief.pdf

 

If the board had a GS45 or GM45 chipset it could run at 533MHz as PC3-8500 as per the memory's JEDEC #3 timing.


Edited by Platypus, 22 June 2015 - 03:45 AM.

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#9 GasT

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Posted 22 June 2015 - 08:57 AM

So then I assume that I could buy any kind of DDR3 memory to expand and it would still be lower bound by that unless I change the chipset?

 

Well at lest I can save money on not buyin a monster RAM to then just use it at half power :P. Thank you for the comprehensive replies.



#10 Platypus

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Posted 22 June 2015 - 09:08 AM

Yes, since it's not feasible to alter the chipset used, whichever spec memory you use will be limited to the lower speed.


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#11 GasT

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Posted 22 June 2015 - 11:01 AM

OK, thanks for clearing every thing out






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