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Message 41 of 42
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1. As mentioned before, it is not possible to modify the CPU all-core clock speed in XTU on the HP Z workstations and therefor XTU will only displays  6 cores for the 8 core 1680 v2 CPU. Although I don't have a 1660 v2 CPU, I would expect to see even fewer adjustable cores in XTU if that CPU were installed since the 1660 v2 is a 6 core CPU. i.e. XTU may only display 4 cores for the 1660 v2 CPU. Perhaps BambiBoomZ can confirm this as he has a Z420 with the 1660 v2 CPU installed? Again, I don't know if this limitation is due to it being a Xeon CPU or a limitation of the HP workstation motherboard. i.e. XTU might display 8 cores, (and allow more voltage/timing adjustments), for the 1680 v2 CPU if used on an ASUS motherboard but I can't confirm this.

 

2. Looking at the screenshots you have posted I can see you are running a different version of XTU to myself. I am using version 5.2.0.14 as I found this to be the most stable version of XTU for my 1680 v2/Windows 7 configuration. All I can suggest is you try other versions of XTU to see if an alternative version works better for you. Personally, I found more recent versions of XTU to be unstable on my system.

HP Z620 - Liquid Cooled E5-1680v2 @4.7GHz / 64GB Hynix PC3-14900R 1866MHz / GTX1080Ti FE 11GB / Quadro P2000 5GB / Samsung 256GB PCIe M.2 256GB AHCI / Passmark 9.0 Rating = 7147 / CPU 17461 / 2D 1019 / 3D 14464 / Mem 3153 / Disk 15451 / Single Threaded 2551
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Message 42 of 42
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Will I be able to hit 4Ghz+ on all cores on a E5-1650 V2 in a Z420? I'm kinda confused about all of this

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