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CMK32GX4M2A2400C shown as 2133 MHz in BIOS and Windows


sos_hk

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Greetings!

I recently bought a new desktop

 

Asus Prime Z270-K

Core i7-7700

Vengeance LPX CMK32GX4M2A2400C14R

 

Somehow, during first bootup, the BIOS detected the RAM to be 2133 by default, I had to manually set the DRAM frequency to be 2400

 

But after installing Windows 10 x64, and installing the AI Suite from Asus, ASUS AI Suite still shows the RAM to be running at 2133

 

I don't plan to overclock, but I want the RAM to be running at its full capacity.

 

Anyone know how to "correctly" setup the RAM?

 

Thanks in advance.

20170507-SystemInfo-RAM.thumb.jpg.3b4c7cd4b6455b614da6a6081bddbfaf.jpg

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AI Suite reports "DRAM Frequency 2399.2 MHz" so I expect the clock is 1200 MHz and the data rate 2400 MHz and all is OK.

 

The screen is only showing the JEDEC SPD timings and the XMP information is absent. There are many utilities that will report the XMP information. Obviously I would use my SIV utility which reported as below for CMK32GX4M2A2400C14, but your DIMMs may be a different revision and report different information.

 

Note you should totally closedown AI Suite before running any other monitoring software (AIDA64+CPUZ+HWiNFO+SIV) as it's poorly engineered and fails to use the Global\Access_SMBUS.HTP.Method Mutex to interlock SMBus access.

 

attachment.php?attachmentid=28891&stc=1&d=1494139272

445329947_CMK32GX4M2A2400C14SPD.thumb.png.12ced5ec7462f6b8734f427ed5460324.png

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Thanks for the prompt reply

I can't take screen shot of bios screen, but I manually set the RAM frequency to be 2400 in XMP

Plus, yes, I overlooked the small font RAM frequency in my screenshot, seems that they are running at around 2400

Does it mean I setup correctly already? Even the system information page shows the correct RAM name(CMK32GX4M2A2400C14R) but at 2133MHertz?

 

Thank you very much

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It's about what I would expect, but you would need to post the SIV initial screen + [sPD Summary] screen for me to be able to confirm the actual DIMM timings matched the XMP timings.

 

As I said your DIMMs may be different. The raw data is as below and there is no trailing "R", further there is to trailing "R".

 

Dump of DIMM #0 SPD Data @ SMBus 1_50
  Offset  Hex  00  01  02  03  04  05  06  07  08  09  0A  0B  0C  0D  0E  0F        ASCII
      0.  000  23  10  0C  02  85  21  00  08  00  00  00  03  09  03  00  00  "#____!__________"
     16.  010  00  00  08  0C  FC  03  00  00  6C  6C  6C  11  08  74  F0  0A  "________lll__t__"
     32.  020  20  08  00  05  00  B8  1E  2B  2B  00  00  00  00  00  00  00  " ______++_______"
     48.  030  00  00  00  00  00  00  00  00  00  00  00  00  16  36  16  36  "_____________6_6"
     64.  040  16  36  16  36  00  00  2B  0C  2B  0C  2B  0C  2B  0C  00  00  "_6_6__+_+_+_+___"
     80.  050  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
     96.  060  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    112.  070  00  00  00  00  00  ED  B5  CF  00  00  00  00  00  C2  7D  54  "______________}T"
    128.  080  11  11  01  01  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    144.  090  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    160.  0A0  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    176.  0B0  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    192.  0C0  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    208.  0D0  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    224.  0E0  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    240.  0F0  00  00  00  00  00  00  00  00  00  00  00  00  00  00  DE  27  "_______________'"
    256.  100  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    272.  110  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    288.  120  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    304.  130  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    320.  140  02  9E  00  00  00  00  00  00  00  43  4D  4B  33  32  47  58  "_________CMK32GX"
    336.  150  34  4D  32  41  32  34  30  30  43  31  34  20  20  00  80  2C  "4M2A2400C14  __,"
    352.  160  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    368.  170  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    384.  180  0C  4A  01  20  00  00  00  00  00  94  00  00  07  FC  3F  04  "_J_ __________?_"
    400.  190  00  5E  6B  6B  10  CE  3A  F0  0A  20  08  00  05  00  B0  22  "_^kk__:__ _____""
    416.  1A0  2F  00  00  00  00  00  00  00  00  C9  A6  92  C9  C9  9C  D6  "/_______________"
    432.  1B0  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    448.  1C0  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    464.  1D0  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    480.  1E0  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"
    496.  1F0  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  "________________"

 

attachment.php?attachmentid=28894&stc=1&d=1494149530

1934211156_CMK32GX4M2A2400C14thereisnoR.thumb.png.35a153bce4147a4361bdf287b6117dd8.png

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Hi, Thanks for the help

 

I just checked the bios

If i try the "load default/optimized" choice

The RAM would be running at 2133,

 

The photos are the some pages of the BIOS

How should I do it?

20170507-AsusAISuite-SystemInfo.thumb.jpg.e09c596b7ee77f934e66f4e17a470776.jpg

252792167_2017-05-0720_30_31.thumb.jpg.e443c73925a68b00c71b16bff90d98df.jpg

488036923_2017-05-0720_32_05.thumb.jpg.d846a2f28d698cd8b762ff5101c121e8.jpg

41538630_2017-05-0720_34_23.thumb.jpg.5cdc0c831a27b72664f8661266fffaa8.jpg

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Dear Friend,

 

Although I didn't get the mainboard to fine tune automatically for me, I somehow got the RAM to run at desired setting

2400MHz

14-16-16-31-47

 

Thanks for the help

20170507-SPD.thumb.jpg.b81b5f592680884ee0ed49287f113c61.jpg

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