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Hi
I'm experiencing some problem when using MSI X99S Gaming 9 ACK motherboard and 4096MBX8 memory modules of GSKILL F4-3000C15Q2-32GRBB (DDR4 3000 PC4-24000 -- CL 15-16-16-35 1.35v)
I've been in contact with MSI support and they are going to repro my tests - meanwhile I thought perhaps you can give me some advice.
I experienced some problems when enabling XMP in MSI MB bios to reach 3000MHz.
First: I enabled XMP in BIOS and started 64bit Win 8.1 Pro. As soon as it ends loading it, it restarted itself.
Then, inserting a USB key it started rebooing endlessly and now, if XMP is enabled, Win8.1 asks to be restored. Obviously, this is a no-sense message because as soon as I disable XMP the system restarts and works without any problem.
Therefore, I cleared cmos, leave the latest bios available installed in the MB an I started a thoroughly memory check: first using Win 8.1 memory check tool. Then, I made a deep test using MEMTEST tool. No problems were detected by both tools. Reading some similar problematic found in this forum, I run memory @ 2666MHz to see if the DIMMs would have caused any problem.
At that speed I didn't encounter any problem, anyway.
But it does not mean anything as their SPD speed are 2133MHz.
Setting them to 2133, I didn't have any problem, too.
But when enabling 3000MHz through XMP the already reported problems happens again. I'm currently using bios v.2.4.
So I made some other few tests, suggested by MSI, loading less modules and then increasing the number of them.
Test A. I tested 2modules (Dimm1 & Dimm5) in Dual-Channel mode (as by MB manual, pag.EN-15) with XMP enabled and set to 3000MHz (even if the BIOS stated 3001 for some strange reason). In this configuration Win 8.1 starts regularly. So I made some tests with OCCT 4.4.1 and HeavyLoad, performing also some other tests (copying files, usb key inserting and so on). Results: I didn't experience any problem.
Test B. I added 2 modules (so configuration now is Dimm 1 & Dimm 3, Dimm 5 & Dimm 7) in Quad-Channel mode with XMP enabled as the previous step. Win 8.1 started regularly. Then I run tests as in previous step and everything went fine.
Test C. I added 2 other modules as by MB manual (pag.EN-16), still in Quad-Channel mode (this time the memory banks occupied are 6, then: Dimm1,2,3 & Dimm5,6,7). Win 8.1 started regularly, but OCCT made my computer restart without any error flagged. Second time computer froze. Tests with HeavyLoad causes same problem: computer froze. Strange thing is that starting Win 8.1 again no errors were reported and it starts regularly.
Test D. I made another test: I left the 6 modules in previous DIMM configuration but this time XMP was DISABLED and Ram frequency was set to 2666MHz. Then I made same tests with OCCT and HeavyLoad and no problem arose. Everything went fine. As I know memory module are not corrupted due to previous tests I made, I'm wandering what is happening in here.
For the moment I set speed ro 2133 with Auto option.
Thanks, jj702
I'm experiencing some problem when using MSI X99S Gaming 9 ACK motherboard and 4096MBX8 memory modules of GSKILL F4-3000C15Q2-32GRBB (DDR4 3000 PC4-24000 -- CL 15-16-16-35 1.35v)
I've been in contact with MSI support and they are going to repro my tests - meanwhile I thought perhaps you can give me some advice.
I experienced some problems when enabling XMP in MSI MB bios to reach 3000MHz.
First: I enabled XMP in BIOS and started 64bit Win 8.1 Pro. As soon as it ends loading it, it restarted itself.
Then, inserting a USB key it started rebooing endlessly and now, if XMP is enabled, Win8.1 asks to be restored. Obviously, this is a no-sense message because as soon as I disable XMP the system restarts and works without any problem.
Therefore, I cleared cmos, leave the latest bios available installed in the MB an I started a thoroughly memory check: first using Win 8.1 memory check tool. Then, I made a deep test using MEMTEST tool. No problems were detected by both tools. Reading some similar problematic found in this forum, I run memory @ 2666MHz to see if the DIMMs would have caused any problem.
At that speed I didn't encounter any problem, anyway.
But it does not mean anything as their SPD speed are 2133MHz.
Setting them to 2133, I didn't have any problem, too.
But when enabling 3000MHz through XMP the already reported problems happens again. I'm currently using bios v.2.4.
So I made some other few tests, suggested by MSI, loading less modules and then increasing the number of them.
Test A. I tested 2modules (Dimm1 & Dimm5) in Dual-Channel mode (as by MB manual, pag.EN-15) with XMP enabled and set to 3000MHz (even if the BIOS stated 3001 for some strange reason). In this configuration Win 8.1 starts regularly. So I made some tests with OCCT 4.4.1 and HeavyLoad, performing also some other tests (copying files, usb key inserting and so on). Results: I didn't experience any problem.
Test B. I added 2 modules (so configuration now is Dimm 1 & Dimm 3, Dimm 5 & Dimm 7) in Quad-Channel mode with XMP enabled as the previous step. Win 8.1 started regularly. Then I run tests as in previous step and everything went fine.
Test C. I added 2 other modules as by MB manual (pag.EN-16), still in Quad-Channel mode (this time the memory banks occupied are 6, then: Dimm1,2,3 & Dimm5,6,7). Win 8.1 started regularly, but OCCT made my computer restart without any error flagged. Second time computer froze. Tests with HeavyLoad causes same problem: computer froze. Strange thing is that starting Win 8.1 again no errors were reported and it starts regularly.
Test D. I made another test: I left the 6 modules in previous DIMM configuration but this time XMP was DISABLED and Ram frequency was set to 2666MHz. Then I made same tests with OCCT and HeavyLoad and no problem arose. Everything went fine. As I know memory module are not corrupted due to previous tests I made, I'm wandering what is happening in here.
For the moment I set speed ro 2133 with Auto option.
Thanks, jj702
I was wrong 
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