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  1. #1

    [7SP1 x64] High DPC Latency

    Hi, I've been having very high DPC latency for about a month, I just don`t know what to do anymore, I followed a few step on some previus steps here on the forum and didn`t worked, I ran the LatencyMon and it shows:

    CONCLUSION
    _________________________________________________________________________________________________________
    Your system appears to be having trouble handling real-time audio and other tasks. You are likely to experience buffer underruns appearing as drop outs, clicks or pops. One problem may be related to power management, disable CPU throttling settings in Control Panel and BIOS setup. Check for BIOS updates.
    LatencyMon has been analyzing your system for 0:20:39 (h:mm:ss) on all processors.




    _________________________________________________________________________________________________________
    SYSTEM INFORMATION
    _________________________________________________________________________________________________________
    Computer name: VITOR-PC
    OS version: Windows 7 Service Pack 1, 6.1, build: 7601 (x64)
    Hardware: MS-7972, MSI, B150M MORTAR (MS-7972)
    CPU: GenuineIntel Intel(R) Core(TM) i5-7500 CPU @ 3.40GHz
    Logical processors: 4
    Processor groups: 1
    RAM: 8139 MB total




    _________________________________________________________________________________________________________
    CPU SPEED
    _________________________________________________________________________________________________________
    Reported CPU speed: 3408 MHz
    Measured CPU speed: 1 MHz (approx.)


    Note: reported execution times may be calculated based on a fixed reported CPU speed. Disable variable speed settings like Intel Speed Step and AMD Cool N Quiet in the BIOS setup for more accurate results.


    WARNING: the CPU speed that was measured is only a fraction of the CPU speed reported. Your CPUs may be throttled back due to variable speed settings and thermal issues. It is suggested that you run a utility which reports your actual CPU frequency and temperature.






    _________________________________________________________________________________________________________
    MEASURED INTERRUPT TO USER PROCESS LATENCIES
    _________________________________________________________________________________________________________
    The interrupt to process latency reflects the measured interval that a usermode process needed to respond to a hardware request from the moment the interrupt service routine started execution. This includes the scheduling and execution of a DPC routine, the signaling of an event and the waking up of a usermode thread from an idle wait state in response to that event.


    Highest measured interrupt to process latency (s): 13250,713792
    Average measured interrupt to process latency (s): 2,280507


    Highest measured interrupt to DPC latency (s): 1983,566026
    Average measured interrupt to DPC latency (s): 0,548052




    _________________________________________________________________________________________________________
    REPORTED ISRs
    _________________________________________________________________________________________________________
    Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.


    Highest ISR routine execution time (s): 170,413732
    Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation


    Highest reported total ISR routine time (%): 0,194334
    Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation


    Total time spent in ISRs (%) 0,233285


    ISR count (execution time <250 s): 2300680
    ISR count (execution time 250-500 s): 0
    ISR count (execution time 500-999 s): 0
    ISR count (execution time 1000-1999 s): 0
    ISR count (execution time 2000-3999 s): 0
    ISR count (execution time >=4000 s): 0




    _________________________________________________________________________________________________________
    REPORTED DPCs
    _________________________________________________________________________________________________________
    DPC routines are part of the interrupt servicing dispatch mechanism and disable the possibility for a process to utilize the CPU while it is interrupted until the DPC has finished execution.


    Highest DPC routine execution time (s): 534,412559
    Driver with highest DPC routine execution time: storport.sys - Microsoft Storage Port Driver, Microsoft Corporation


    Highest reported total DPC routine time (%): 0,060981
    Driver with highest DPC total execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation


    Total time spent in DPCs (%) 0,344368


    DPC count (execution time <250 s): 9527439
    DPC count (execution time 250-500 s): 0
    DPC count (execution time 500-999 s): 1
    DPC count (execution time 1000-1999 s): 0
    DPC count (execution time 2000-3999 s): 0
    DPC count (execution time >=4000 s): 0




    _________________________________________________________________________________________________________
    REPORTED HARD PAGEFAULTS
    _________________________________________________________________________________________________________
    Hard pagefaults are events that get triggered by making use of virtual memory that is not resident in RAM but backed by a memory mapped file on disk. The process of resolving the hard pagefault requires reading in the memory from disk while the process is interrupted and blocked from execution.


    NOTE: some processes were hit by hard pagefaults. If these were programs producing audio, they are likely to interrupt the audio stream resulting in dropouts, clicks and pops. Check the Processes tab to see which programs were hit.


    Process with highest pagefault count: svchost.exe


    Total number of hard pagefaults 8488
    Hard pagefault count of hardest hit process: 1978
    Highest hard pagefault resolution time (s): 1517374,270246
    Total time spent in hard pagefaults (%): 1,755713
    Number of processes hit: 41




    _________________________________________________________________________________________________________
    PER CPU DATA
    _________________________________________________________________________________________________________
    CPU 0 Interrupt cycle time (s): 41,772858
    CPU 0 ISR highest execution time (s): 170,413732
    CPU 0 ISR total execution time (s): 11,563136
    CPU 0 ISR count: 2300680
    CPU 0 DPC highest execution time (s): 219,480634
    CPU 0 DPC total execution time (s): 13,607473
    CPU 0 DPC count: 9081357
    _________________________________________________________________________________________________________
    CPU 1 Interrupt cycle time (s): 13,337886
    CPU 1 ISR highest execution time (s): 0,0
    CPU 1 ISR total execution time (s): 0,0
    CPU 1 ISR count: 0
    CPU 1 DPC highest execution time (s): 200,512911
    CPU 1 DPC total execution time (s): 1,053677
    CPU 1 DPC count: 113227
    _________________________________________________________________________________________________________
    CPU 2 Interrupt cycle time (s): 4,628605
    CPU 2 ISR highest execution time (s): 0,0
    CPU 2 ISR total execution time (s): 0,0
    CPU 2 ISR count: 0
    CPU 2 DPC highest execution time (s): 534,412559
    CPU 2 DPC total execution time (s): 0,285988
    CPU 2 DPC count: 74545
    _________________________________________________________________________________________________________
    CPU 3 Interrupt cycle time (s): 14,609245
    CPU 3 ISR highest execution time (s): 0,0
    CPU 3 ISR total execution time (s): 0,0
    CPU 3 ISR count: 0
    CPU 3 DPC highest execution time (s): 242,228873
    CPU 3 DPC total execution time (s): 2,122005
    CPU 3 DPC count: 258311
    _________________________________________________________________________________________________________

    System Manufacturer? No, I ordered the pc on the internet
    Laptop or Desktop? desktop
    Exact model number (if laptop, check label on bottom)
    OS ? (Windows 10, 8.1, 8, 7, Vista) windows 7 home premium
    x86 (32bit) or x64 (64bit)? x64
    Service pack? service pack 1
    What was original installed OS on system? came with windows 10
    Is the OS an OEM version (came pre-installed on system) or full retail version (YOU purchased it from retailer)? full retail (both win 10 and win 7)
    Age of system? (hardware) about 6 to 7 months
    Age of OS installation? about a week
    Have you re-installed the OS? yes, it came with win 10, and then i restored to win 7
    CPU intel core i5-7500
    RAM (brand, model, which slots are you using?) patriot memory ddr4 8gb single slot
    Video Card geoforce gtx 1070
    MotherBoard - (if NOT a laptop) msi b150i mortar (MS 7279)
    Power Supply - brand & wattage (if laptop, skip this one) Thermaltake Smart Series 600W
    What security software are you using? (Firewall, antivirus, antimalware, antispyware, and so forth) only Malwarebytes
    Are you using proxy, vpn, ipfilters or similar software? no
    Are you using Disk Image tools? (like daemon tools, alcohol 52% or 120%, virtual CloneDrive, roxio software) no
    Are you currently under/overclocking? Are there overclocking software installed on your system? If there is any it came from the store where I bought

    What i've done so far:
    Updated all the drivers using snappy driver installer
    updated the latest bios driver
    did dism /online /cleanup-image /checkhealth (and gave me an erro 87)
    Advanced disk cleanup with cleanmgr
    sfc /scannow (the result was ok)
    Check you system partition:

    Event [0]:
    Log Name: Application
    Source: Microsoft-Windows-Wininit
    Date: 2018-01-11T23: 17: 01,000
    Event ID: 1001
    Task: N / A
    Level: Information
    Opcode: N / A
    Keyword: Classic
    User: N / A
    User Name: N / A
    Computer: Vitor-PC
    Description:




    Checking the file system in C:
    The file system type is NTFS.


    A disk check has been scheduled.
    Windows will now check the disk.


    CHKDSK is checking files (stage 1 of 5) ...
    194816 records of processed files.


    File verification completed.
    377 records of large files processed.


    0 invalid file records processed.


    0 EA records processed.


    84 records of new analyzes processed.


    CHKDSK is verifying indexes (stage 2 of 5) ...
    249024 entries of indexes processed.


    Index check completed.
    0 checked non-indexed files.


    0 recovered non-indexed files.


    CHKDSK is checking the security descriptors (stage 3 of 5) ...
    194816 SDs / SIDs of processed files.


    Clearing 275 file index $ SII unused index entries 0x9.
    Clearing 275 file index $ SDH 0x9 unused index entries.
    Clearing 275 unused security descriptors.
    Security descriptor verification completed.
    27105 processed data files.


    CHKDSK is checking the USN diary ...
    33950992 USN bytes processed.


    Completed USN Journal Check.
    CHKDSK is verifying the file data (step 4 of 5) ...
    194800 files processed.


    Completed file data verification.
    CHKDSK is checking for free space (stage 5 of 5) ...
    200912217 Free processed clusters.


    Free space verification completed.
    CHKDSK found free space marked as allocated in the
    of the master file table (MFT).
    CHKDSK has found free space marked as allocated in the volume bitmap.
    Windows has made fixes to the file system.


    976527359 KB of total disk space.
    172441452 KB and 155029 files.
    112344 KB in 27106 indexes.
    0 KB in bad sectors.
    324691 KB in use by system.
    65536 KB occupied by log file.
    803648872 KB available on disk.


    4096 bytes in each allocation unit.
    Total of 244131839 allocation units on disk.
    200912218 allocation units available on disk.


    Internal information:
    00 f9 02 00 82 c7 02 00 28 67 05 00 00 00 00 00 ........ (g ......
    c4 00 00 00 54 00 00 00 00 00 00 00 00 00 00 00 .... T ...........
    00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 ................


    Windows has finished checking the disk.
    Wait while the computer restarts.

    if someone could help me, Thanks for the help!


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  2. #2
    xilolee's Avatar
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    • specs System Specs
      • Manufacturer:
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        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [7SP1 x64] High DPC Latency

    Hi vtr0706.

    Please, read POSTING INSTRUCTIONS for DPC/ISR latency, stuttering, cracks/pops. (click) (and provide the logs).

    This is the link for The Windows Assessment and Deployment Kit - Windows ADK (click) you must use instead of the link for windows 10 sdk.

  3. #3

    Re: [7SP1 x64] High DPC Latency

    Quote Originally Posted by xilolee View Post
    Hi vtr0706.

    Please, read POSTING INSTRUCTIONS for DPC/ISR latency, stuttering, cracks/pops. (click) (and provide the logs).

    This is the link for The Windows Assessment and Deployment Kit - Windows ADK (click) you must use instead of the link for windows 10 sdk.
    trace.etl :: Free File Hosting - File Dropper: File Host for Mp3, Videos, Music, Documents.

  4. #4
    xilolee's Avatar
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    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [7SP1 x64] High DPC Latency

    msinfo32, dxdiag and speccy are missing.

  5. #5

  6. #6
    xilolee's Avatar
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    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [7SP1 x64] High DPC Latency

    Post also dumo free portable (click) results here (menu action, export, text file).

  7. #7

    Re: [7SP1 x64] High DPC Latency

    Quote Originally Posted by xilolee View Post
    Post also dumo free portable (click) results here (menu action, export, text file).
    export..txt :: Free File Hosting - File Dropper: File Host for Mp3, Videos, Music, Documents.

  8. #8
    xilolee's Avatar
    Join Date
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    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [7SP1 x64] High DPC Latency

    Read More:

    For the four intel drivers listed, try right-click, update driver (directly from windows device manager).
    Realtek PCIe GBE Family Controller RTL8111H (click) (second global link, the one for windows 7)
    Realtek audio drivers R2.82 (click) (second or fourth global link)

  9. #9

    Re: [7SP1 x64] High DPC Latency

    Quote Originally Posted by xilolee View Post
    Read More:

    For the four intel drivers listed, try right-click, update driver (directly from windows device manager).
    Realtek PCIe GBE Family Controller RTL8111H (click) (second global link, the one for windows 7)
    Realtek audio drivers R2.82 (click) (second or fourth global link)

    The RAM model is DDR4 Patriot Viper 4 SeriesPV48G240C5 8GB 2400MHz
    GPU model is ASUS Dual series GeForce GTX 1070 OC edition 8GB GDDR5

    I tried to update the intel drivers dirctly from windows device manager, it says that was alredy updated, then I checked the version it shows 10.1.1.40. There's a newer version 10.1.1.42, I found on the intel driver download page, after the instalation, gives me this message:


    and I installed both Realtek drivers and still on the same previus drivers versions. Should I install windows 10 again?

  10. #10
    xilolee's Avatar
    Join Date
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    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [7SP1 x64] High DPC Latency

    Quote Originally Posted by vtr0706 View Post
    Should I install windows 10 again?
    Not sure why you removed it.
    Did you install intel raid drivers?
    Or were they installed by another software?
    I can't find the word RAID in your MB support page (specs and drivers).

    It seems there weren't fixes for the intel chipset device software:
    Features Added in Build 10.1.1.42: Intel(R) Xeon(R) processor P family/Core i7 (Skylake-E) removed from public package
    Issues Resolved in Build 10.1.1.42: None
    Known Issues in Build 10.1.1.42: None
    Last edited by xilolee; 01-14-2018 at 04:30 PM.

  11. #11

    Re: [7SP1 x64] High DPC Latency

    Quote Originally Posted by xilolee View Post
    Quote Originally Posted by vtr0706 View Post
    Should I install windows 10 again?
    Not sure why you removed it.
    Did you install intel raid drivers?
    Or were they installed by another software?
    I can't find the word RAID in your MB support page (specs and drivers).

    It seems there weren't fixes for the intel chipset device software:
    Features Added in Build 10.1.1.42: Intel(R) Xeon(R) processor P family/Core i7 (Skylake-E) removed from public package
    Issues Resolved in Build 10.1.1.42: None
    Known Issues in Build 10.1.1.42: None
    I removed win 10 because at that time I didn't know what was causing the problem, I thought that could be something related with win 10, since the dpc latency started after windows update in december (I restored my pc two times, the first one I kept with win 10 the problem persisted, the second one I decided to install win 7) . I don't really know if I installed intel RAID driver, I used snappy driver installer to update all drivers.

  12. #12
    xilolee's Avatar
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    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [7SP1 x64] High DPC Latency

    Check if any intel RAID software is present in Control Panel\Programs\Programs and Features.

  13. #13

    Re: [7SP1 x64] High DPC Latency

    Quote Originally Posted by xilolee View Post
    Check if any intel RAID software is present in Control Panel\Programs\Programs and Features.
    No, I don't have any intel RAID installed

  14. #14
    xilolee's Avatar
    Join Date
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    Posts
    2,261
    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [7SP1 x64] High DPC Latency

    Do you know what setting is enabled in your bios? IDE/AHCI/RAID?

  15. #15

    Re: [7SP1 x64] High DPC Latency

    searching in my bio setup I found SATA Mode AHCI Mode, I guess that's what you're asking.

    Imgur: The magic of the Internet
    Attached Thumbnails Attached Thumbnails [7SP1 x64] High DPC Latency-msi_snapshot-bmp  

  16. #16
    xilolee's Avatar
    Join Date
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    Posts
    2,261
    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [7SP1 x64] High DPC Latency

    Try this procedure (at your own risk!): Crucial Forum - Replacing Manufacturer AHCI drivers with standard Microsoft SATA drivers (click)

    I didn't try that procedure, but I have that driver in device manager (I didn't have choice: I searched but not found the AMD AHCI driver):

    [7SP1 x64] High DPC Latency-ahci-jpg

  17. #17

    Re: [7SP1 x64] High DPC Latency

    Quote Originally Posted by xilolee View Post
    Try this procedure (at your own risk!): Crucial Forum - Replacing Manufacturer AHCI drivers with standard Microsoft SATA drivers (click)

    I didn't try that procedure, but I have that driver in device manager (I didn't have choice: I searched but not found the AMD AHCI driver):

    [7SP1 x64] High DPC Latency-ahci-jpg
    Ok, done!

    [7SP1 x64] High DPC Latency-capturar-png

  18. #18
    xilolee's Avatar
    Join Date
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    2,261
    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [7SP1 x64] High DPC Latency

    Any changes?

  19. #19

    Re: [7SP1 x64] High DPC Latency

    Quote Originally Posted by xilolee View Post
    Any changes?
    Unfortunately no, I ran LatencyMon for 27 minutes, played cs go and gta v to test, here the results:

    [7SP1 x64] High DPC Latency-capturar2-png

    [7SP1 x64] High DPC Latency-capturar3-png

  20. #20
    xilolee's Avatar
    Join Date
    Dec 2013
    Location
    World, Europe, Italy
    Posts
    2,261
    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: [7SP1 x64] High DPC Latency

    Try a clean boot:
    • Start, searchbox, type msconfig, press enter.
    • In the new msconfig window, in General tab (default opened tab), click Selective startup and untick/deselect Load startup items.
      Only that one should be unticked, the other two must be ticked.
    • Go to Msconfig Services tab, tick/select Hide all Microsoft services (don't forget to hide them!).
      Disable the remaining NON-windows services.
      (i.e., DON'T disable windows services)
    • Click ok, reboot

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