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New PC build. Memory Errors... what do they mean?

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  • New PC build. Memory Errors... what do they mean?

    Hi... I just built a PC a couple weeks ago. I've been getting memory_management crashes when I'm running certain games, that aren't too labor intensive. I ran the MemTest86 and got back the below results. I don't really know what any of it means... could someone help me out with this? Thanks

    System Information


    EFI Specifications 2.70
    System
    Manufacturer To Be Filled By O.E.M.
    Product Name To Be Filled By O.E.M.
    Version To Be Filled By O.E.M.
    Serial Number To Be Filled By O.E.M.
    BIOS
    Vendor American Megatrends Inc.
    Version P3.60
    Release Date 07/31/2019
    Baseboard
    Manufacturer ASRock
    Product Name B450M Pro4
    Version
    Serial Number M80-C9016001887
    CPU Type AMD Ryzen 5 2600X Six-Core
    CPU Clock 3894 MHz [Turbo: 3893.8 MHz]
    # Logical Processors 12
    L1 Cache 12 x 96K (89838 MB/s)
    L2 Cache 12 x 512K (81017 MB/s)
    L3 Cache 1 x 16384K (33377 MB/s)
    Memory 16326M (18990 MB/s)
    DIMM Slot #0 8GB DDR4 XMP PC4-25600
    G Skill Intl / F4-3200C16-8GVKB
    16-18-18-38 / 3200 MHz / 1.350V
    DIMM Slot #1 8GB DDR4 XMP PC4-25600
    G Skill Intl / F4-3200C16-8GVKB
    16-18-18-38 / 3200 MHz / 1.350V
    Result summary

    Test Start Time 2020-03-29 16:18:56
    Elapsed Time 0:44:16
    Memory Range Tested 0x0 - 41F380000 (16883MB)
    CPU Selection Mode Parallel (All CPUs)
    ECC Polling Enabled
    # Tests Passed 8/16 (50%)
    Lowest Error Address 0x1200ADCB4 (4608MB)
    Highest Error Address 0x139D49DB4 (5021MB)
    Bits in Error Mask 0000000000000010
    Bits in Error 1
    Max Contiguous Errors 1
    Test # Tests Passed Errors
    Test 0 [Address test, walking ones, 1 CPU] 2/2 (100%) 0
    Test 1 [Address test, own address, 1 CPU] 2/2 (100%) 0
    Test 2 [Address test, own address] 2/2 (100%) 0
    Test 3 [Moving inversions, ones & zeroes] 0/2 (0%) 3
    Test 4 [Moving inversions, 8-bit pattern] 0/1 (0%) 34
    Test 5 [Moving inversions, random pattern] 0/1 (0%) 15
    Test 6 [Block move, 64-byte blocks] 0/1 (0%) 25
    Test 7 [Moving inversions, 32-bit pattern] 0/1 (0%) 118
    Test 8 [Random number sequence] 0/1 (0%) 24
    Test 9 [Modulo 20, ones & zeros] 0/1 (0%) 4
    Test 10 [Bit fade test, 2 patterns, 1 CPU] 1/1 (100%) 0
    Test 13 [Hammer test] 1/1 (100%) 0
    Last 10 Errors
    2020-03-29 17:02:17 - [Data Error] Test: 4, CPU: 1, Address: 13235DCB4, Expected: F7F7F7F7, Actual: F7F7F7E7
    2020-03-29 17:02:17 - [Data Error] Test: 4, CPU: 3, Address: 139D49DB4, Expected: 10101010, Actual: 10101000
    2020-03-29 17:02:13 - [Data Error] Test: 4, CPU: 10, Address: 127CD1DB4, Expected: FEFEFEFE, Actual: FEFEFEEE
    2020-03-29 17:02:12 - [Data Error] Test: 4, CPU: 0, Address: 12CCFDDB4, Expected: 02020202, Actual: 02020212
    2020-03-29 17:02:12 - [Data Error] Test: 4, CPU: 11, Address: 128BA1DB4, Expected: FDFDFDFD, Actual: FDFDFDED
    2020-03-29 17:02:11 - [Data Error] Test: 4, CPU: 11, Address: 12A561DB4, Expected: FBFBFBFB, Actual: FBFBFBEB
    2020-03-29 17:02:11 - [Data Error] Test: 4, CPU: 9, Address: 122749CB4, Expected: FEFEFEFE, Actual: FEFEFEEE
    2020-03-29 17:02:11 - [Data Error] Test: 4, CPU: 11, Address: 12BDE5DB4, Expected: 04040404, Actual: 04040414
    2020-03-29 17:02:10 - [Data Error] Test: 4, CPU: 0, Address: 12CF51CB4, Expected: 10101010, Actual: 10101000
    2020-03-29 17:02:10 - [Data Error] Test: 4, CPU: 10, Address: 125F85DB4, Expected: F7F7F7F7, Actual: F7F7F7E7

  • #2
    Looks like the RAM is bad.
    See this post to start with
    https://www.memtest86.com/troubleshooting.htm

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