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      • 135. Re: NUC6i3SYH Random freezes
        kts

        OK, so I bought the 2x8GB Kingston HX421S13IBK2/16 and it seems to be working just fine with this RAM.

         

        The Avexir RAM which is included for free on the newegg deal and does not work with the NUC uses SK Hynix chips.

        • 136. Re: NUC6i3SYH Random freezes
          tbjers

          That's excellent news, kts! I'm waiting for my 2x4 Kingston sticks, they should arrive tomorrow or the day after. I'll update the thread as well when I've installed them and tested things out. What OS are you testing with? I was hoping to use either Fedora 23 or Ubuntu 15...

          • 137. Re: NUC6i3SYH Random freezes
            kts

            I'm dual booting Windows 10 & Gentoo.

            • 138. Re: NUC6i3SYH Random freezes
              cvare

              Any chance you tried turning off Roundtrip Latency Optimization in the BIOS when using the Avexir RAM?

              • 139. Re: NUC6i3SYH Random freezes
                tbjers

                I tried turning off Roundtrip Latency Optimization and it didn't seem to have much of an impact on how long it took the machine to freeze up with the Avexir stick.

                • 140. Re: NUC6i3SYH Random freezes
                  jtenman

                  I tried turning it off. It didn't have any effect. Still freezing up after a minute of turning the system on.

                  • 141. Re: NUC6i3SYH Random freezes
                    kts

                    No, I didn't try. I saw in some documentation that you had to make sure to turn it on. I checked and it was already turned on by default after the BIOS upgrade.

                    • 142. Re: NUC6i3SYH Random freezes
                      Topix

                      @kts

                       

                      Hi, welcome to the "ram beta tester users group" for the 6th gen NUC's    as I reported here  Round Trip Latency Optimization on BIOS 036 was first suggested ON then now suggested OFF what's happen??  first was suggested to made sure to turn it on, then to made sure to turn it off.

                       

                      @cvare

                      Any chance to have some more technical info about what this Roundtrip Latency Optimization option actually does on the system except just try ON or OFF?

                      • 143. Re: NUC6i3SYH Random freezes
                        cvare

                        You are correct Topix, that was my mistake, I misunderstood how the option worked. 

                         

                        Round Trip Latency Optimization optimizes the effectiveness of the memory by reducing the latency.  However, on early DDR4 modules that had die problems, turning the option off allowed the module to be usable.  I hope that makes sense.

                        • 144. Re: NUC6i3SYH Random freezes
                          tbjers

                          I guess that's how it was SUPPOSED to work, but from what I've seen in this thread and elsewhere on the net, toggling that checkbox doesn't really help at all in the majority of cases. I'm starting to wonder if it could be related to certain 8GB modules? Or, maybe just single modules in lower slot? That seems to be where most of the issues are coming from. So, we'll see if my NUC works when my double 4GB Kingston sticks arrive. I'm looking forward to testing this out!

                          • 145. Re: NUC6i3SYH Random freezes
                            cvare

                            Hi all, just want to let you know, we’re compiling a FAQ for the NUC6i3SYK/H and NUC6i5SYK/H NUCs.  It will be a continually evolving list based on what we learn, and can be found here: https://communities.intel.com/docs/DOC-110236

                            We are starting to get units in for failure analysis and we will have an update as soon as possible.  Thanks again for your patience.

                            • 146. Re: NUC6i3SYH Random freezes
                              tbjers

                              Good news, cvare, I am currently running Windows 10 Home x64 on my NUC. I overnighted double 4GB Crucial sticks that seem to be working! The Kingston HyperX sticks also just arrived, so if anything happens with the Crucials I will swap them for Kingstons and see what happens. Maybe dual sticks are more stable?

                               

                              UPDATE (at least 10 hours later):

                               

                              I am using Crucial 8GB Kit (4GBx2) DDR4 2133 MT/s (PC4-17000) SODIMM 260-Pin Memory - CT2K4G4SFS8213.

                              And a SAMSUNG Spinpoint M9T ST2000LM003 2TB 5400 RPM 32MB Cache SATA 6.0Gb/s 2.5" Internal.

                               

                              Windows seems to be working, so far? The only thing I've noticed is a hang or something with the HDMI where if screen has been powered off, it won't restore, but machine seems to keep running in the background. What kind of debug/logging information can I give you guys for that?

                               

                              So, update on Linux...

                               

                              I can't get Linux to install at all any longer. Not even sure how I got lucky enough to get Fedora on it the first time with RAM problems, this time no RAM problems, but for some reason it looks like they're all having disk issues, probably something to do with the newer architecture? I want to run Fedora Server, if possible. So, no luck with either Fedora 23 or Ubuntu 15.10.

                               

                              UPDATE (30 hours later):

                               

                              NUC is still up and running with Windows 10 and Crucial modules. It's purring like a kitten!

                               

                              However, somehow the graphics get screwed up via HDMI when I shut receiver/TV off or change input on receiver to another source. I remotely connected to the machine to confirm it was still running and not frozen. Then I went into the Intel graphics properties where it shows 1920x1080 @ 0Hz. If I could just figure out how to lock the resolution to 1920x1080 @ 60Hz that would be sweet. Basically I want to prevent it from "auto-detecting" my display. Don't you try to plug-and-play yourself into a black screen again, NUC!

                              • 147. Re: NUC6i3SYH Random freezes
                                kts

                                tbjers, I have had the machine on since Sunday (4 days), mostly using Linux. Windows 10 works, I think I couldn't get the bluetooth or ir drivers to completely install but haven't spent much time on it. I didn't notice any of the HDMI issues you have but I did update the graphics drivers.

                                 

                                Regarding the linux install, I think that since the hardware is relatively new most issues you encounter will be with using a install image with a new enough kernel & support for the critical devices. I had some trouble with a few install images but ended up using an Ubuntu liveusb image and installing Gentoo through there. I'm using the Samsung 850 evo m.2 ssd and the ubuntu image had no problems with it.

                                 

                                I'm happy with how this is working with the Kingston RAM. I'm just waiting to see if I get the WHEA error. Hopefully not, the machine is running cool with the temp only around 35-40C.

                                • 148. Re: NUC6i3SYH Random freezes
                                  rado77

                                  kts , same like me. I'm writing this (also downloading movie + g-mail opened) and temp is 33-34.C . I'm waiting for WHEA devil too 

                                  • 149. Re: NUC6i3SYH Random freezes
                                    tbjers

                                    I switched to the Kingston modules and they appear to perform great, maybe even a tad better than the Crucial modules, which worked great for Windows.

                                     

                                    My latest experiment involved Linux. I installed Fedora Server Rawhide (25) with the Kingston modules installed. Worked like a charm. Will try with Crucial modules tonight or tomorrow. Any current release of Fedora or Ubuntu failed disk checks of media before installation, across the board, with Crucial modules. Could it be the older kernel?