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My CMX8GX3M2A1600C9 memory broken?


Orgazme

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Hi

 

Test results below.

 

Memory settings: Everything in BIOS @ auto - 1330MHz (665MHz), FSB:DRAM 1:5, 9-9-9-24 2T. 1.488v.

 

Windows 7 Memory Diagnostics Tool

Extended test, default setting for cache. Stuck @ 21%. Waited 15 minutes, still @ 21%. Stopped test.

 

HCI Memtest v4.0

4 instances testing 1000MB of memory each. Stopped at 300% coverage with 0 errors.

 

Memtest86 v4.1.0

Standard test (option 1). 12 seconds pass and at 1% of test 3 (4% of total test), 31956 errors.

Memtest86+ v4.20

Standard test (option 1) complete. 0 errors.

 

Super PI Mod v1.8.0 WP

16K to 32M test. 0 errors.

 

*****************

 

Memory settings: 1596MHz (798MHz), FSB:DRAM 1:6, 9-9-9-24 1T. 1.648v

 

Windows 7 Memory Diagnostics Tool

Extended test, default setting for cache. Stuck @ 21%. Waited 15 minutes, still @ 21%. Stopped test.

 

HCI Memtest v4.0

4 instances testing 1500MB of memory each. Results below.

[3652] 1189.6% Coverage, 31 Errors

[3616] 1175.2% Coverage, 24 Errors

[3608] 1185.3% Coverage, 16 Errors

[3628] 1200.4% Coverage, 24 Errors

 

Prime95 v27.7 build 2

Will run a test over night and update here when finished.

 

Memtest86 v4.1.0

Standard test (option 1). 11 seconds pass and at 1% of test 3 (4% of total test), 29430 errors.

 

Memtest86+ v4.20

Standard test (option 1) complete. 0 errors.

 

Super PI Mod v1.8.0 WP

Passed 16K to 32M test. 0 errors.

 

 

Shouldn't these modules be able to run at 1600MHz? Are mine broken? My system is not overclocked and I get no BSODs/crashes. I'd greatly appreciate some input.

 

I would also like to "bump" for more input on my two posts regarding my AX760i PSU over at Power Supplies. If that's not ok, I apologize.

 

If I posted this in the wrong part of the forum, I'm sorry!

 

Thanks in advance.

 

Best regards

Jimmie

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Yes, they should be able to run at 1600mhz.

 

Is your BIOS up to date?

 

Are you using XMP? If not please reset your BIOS and just enable XMP. It will adjust the timings frequency and other system necessary voltages. From what it looks like is you need more DIMM voltage. Those are a 1.65v kit at 1600mhz so leaving them at 1.5v is probably why it's failing most tests. Setting XMP should take care of that though.

 

And have to tested each module individually?

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Is your BIOS up to date?

 

Yes.

 

Are you using XMP?

 

No. I will try that.

 

...leaving them at 1.5v is probably why it's failing most tests.

 

When I tested them at 1600MHz I was not running them at 1.5v. I ran them at 1.648v (the same voltage as AUTO).

 

And have to tested each module individually?

 

No. I will try that.

 

 

Best regards

Jimmie

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Quote:

...leaving them at 1.5v is probably why it's failing most tests.

When I tested them at 1600MHz I was not running them at 1.5v. I ran them at 1.648v (the same voltage as AUTO).

Auto will not set them to 1.65v. It will use the default of 1.5v. So you would have had to change that manually or let XMP change it for you.

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So you would have had to change that manually or let XMP change it for you.

 

Sorry for not being clear. I did change the voltage manually to 1.648v on the 1600MHz test. That was as close as I could get without passing 1.65v.

 

I have now tested both ram modules individually. 2000MB to 1000% in HCI memtest. 0 errors.

 

Conclusion from testing my modules (ver5.11).

 

Pair: 1600MHz 2T, works. 1600MHz 1T, fails.

Individually: 1600MHz 1T, works.

 

I want to remember reading that these modules should be able to handle 1600MHz at 9-9-9-24 1T. Can/should they?

 

I probably misunderstood. If so, I appreciate your input and sincerely apologize for have taken up your time with this nonsense.

 

Best regards

Jimmie

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I want to remember reading that these modules should be able to handle 1600MHz at 9-9-9-24 1T. Can/should they?

No , corsair recommends 2t for all of their memory for best stability, but if you can get them to run at 1t thats fine too. But if they are stable at 2t then they are fine.

 

CR is more of a MB setting than it is a memory setting anyway and will not have any noticeable effect on performance.

I probably misunderstood. If so, I appreciate your input and sincerely apologize for have taken up your time with this nonsense.

No worries! Glad to help out!

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