RAM displaying different CAS in each slot?

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  1. Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       #11

    Very interesting. I like Dwarft's method. I have never had that happened with matched ram.
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  2. Posts : 25
    Windows 7 Home Premium SP1 64bit
    Thread Starter
       #12

    Thanks for the feedback guys.

    Dwarf, I reset the BIOS / CMOS via your steps so everything went back to default settings. I tried Memtest with the individual sticks and I get the same results as mentioned before. Then I tried ionbasa's suggestions with both XMP profile and manually changing the CAS latencies but they still appear as 6-6-6-20 on the test. Perhaps this is normal for those two slots to read my memory that way? When I Dual Channel, Memtest and the BIOS will read it as 9-9-9-24.

    And yes, my BIOS firmware is up to date.
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  3. Posts : 9,582
    Windows 8.1 Pro RTM x64
       #13

    That is certainly not normal. What timings are displayed by the SPD tab of CPU-Z? Are the timings you are reporting mentioned on this tab?

    RAM displaying different CAS in each slot?-capture.png
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  4. Posts : 25
    Windows 7 Home Premium SP1 64bit
    Thread Starter
       #14

    Dwarf, here is what CPU-Z is reporting for both slots (Dual Channelling right now).

    Unless you wanted me to see what CPU-Z reports if I'm running with 1 module in Slot 1 or Slot 3?
    Attached Thumbnails Attached Thumbnails RAM displaying different CAS in each slot?-slot1.jpg   RAM displaying different CAS in each slot?-slot2.jpg  
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  5. Posts : 9,582
    Windows 8.1 Pro RTM x64
       #15

    Yes please, since those are the slots that are giving you those timing figures. I see no mention of those figures on your SPD snips though, which leads me to believe that your board could be faulty.
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  6. Posts : 25
    Windows 7 Home Premium SP1 64bit
    Thread Starter
       #16

    Alright here's the results and a pic I got from doing Memtest single channel earlier.

    RAM displaying different CAS in each slot?-slot1-single.jpgRAM displaying different CAS in each slot?-slot3-single.jpg

    RAM displaying different CAS in each slot?-slot1-memtest-single.jpg
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  7. Posts : 9,582
    Windows 8.1 Pro RTM x64
       #17

    What timings are shown on the Memory tab of CPU-Z? It would be helpful to use just a single stick of RAM (the same one) and show what you get on this tab for each slot. The SPD tab shows you the available timings as stored in the module's SPD chip, whereas the Memory tab shows you the actual timings currently in use.
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  8. Posts : 25
    Windows 7 Home Premium SP1 64bit
    Thread Starter
       #18

    The CPU-Z reports in post #16 are from using single sticks. I used the same stick in Slot 1, took the screenshot, and then turned off computer to insert it in Slot 3 and took that screenshot. Running on 4GB (1 stick) right now in Slot 3 as we speak.

    EDIT: Sorry, just re-read your post... let me grab the Memory tab.
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  9. Posts : 9,582
    Windows 8.1 Pro RTM x64
       #19

    I'm just about to hit the sack as I'm at work early in the morning. I'll be back later. :)
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  10. Posts : 25
    Windows 7 Home Premium SP1 64bit
    Thread Starter
       #20

    Okay, here is the Memory tabs for the same stick in Slot 1 (top) and Slot 3 (bottom).

    RAM displaying different CAS in each slot?-slot-1-single-memory.jpg

    RAM displaying different CAS in each slot?-slot-3-single-memory.jpg

    EDIT: alright mate, I appreciate your help. Will continue to do research on the BSOD thread XD.
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