X670E Pro RS - crackling, distrortion, lag
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=25029
Printed Date: 03 Aug 2025 at 1:11am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: X670E Pro RS - crackling, distrortion, lag
Posted By: Derezed
Subject: X670E Pro RS - crackling, distrortion, lag
Date Posted: 24 Oct 2022 at 12:13am
I have the following specification:
ASRock X670E Pro RS
AMD Ryzen 7 7700X
ZOTAC GeForce RTX 3070 GAMING Twin Edge LHR 8GB (GPU)
Corsair Vengeance DDR5 2x16GB 5200 C40 (RAM)
Corsair Hydro Series iCUE H115i PRO XT RGB
970 Evo Plus (NVMe M2. SSD)
Corsair RM750x (750W PSU)
OS: Windows 10, x64
All drivers are up to date and BIOS for mobo has been flashed to 1.09 (latest). Nothing is overclocked, I have tried both with XMP and without for the RAM.
RAM is on QVL
I have made sure that the power management is on "Performance" so no throttling that I am aware of.
Temperatures are fine for all components, really low.
Running games I get serious stuttering and distorted sound (sometimes full device slowdown).
To debug I got LatencyMON which confirmed my machine has a DPC latency issue.
Driver that has the highest DPC is nvlddmkm.sys, so my NVIDIA driver. Downgrading it doesn't help, I still get high DPC.
Any advice? Is this just a new platform thing that will probably get solved with BIOS updates or is this an RMA?
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Replies:
Posted By: Derezed
Date Posted: 24 Oct 2022 at 5:31am
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CONCLUSION
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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 or more DPC routines that belong to a driver running in your system appear to be executing for too long. 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 1:26:45 (h:mm:ss) on all processors.
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SYSTEM INFORMATION
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Computer name: DESKTOP-G309L0P
OS version: Windows 10, 10.0, version 2009, build: 19045 (x64)
Hardware: X670E Pro RS, Default string
BIOS: 1.09
CPU: AuthenticAMD AMD Ryzen 7 7700X 8-Core Processor
Logical processors: 16
Processor groups: 1
Processor group size: 16
RAM: 31864 MB total
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CPU SPEED
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Reported CPU speed (WMI): 4501 MHz
Reported CPU speed (registry): 4492 MHz
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.
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MEASURED INTERRUPT TO USER PROCESS LATENCIES
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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 (µs): 4371.10
Average measured interrupt to process latency (µs): 3.833377
Highest measured interrupt to DPC latency (µs): 4369.10
Average measured interrupt to DPC latency (µs): 1.270482
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REPORTED ISRs
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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 (µs): 477.168299
Driver with highest ISR routine execution time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation
Highest reported total ISR routine time (%): 0.000272
Driver with highest ISR total time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation
Total time spent in ISRs (%) 0.000284
ISR count (execution time <250 µs): 40287
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-1000 µs): 1
ISR count (execution time 1000-2000 µs): 0
ISR count (execution time 2000-4000 µs): 0
ISR count (execution time >=4000 µs): 0
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REPORTED DPCs
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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 (µs): 3598.246883
Driver with highest DPC routine execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 522.25 , NVIDIA Corporation
Highest reported total DPC routine time (%): 0.003120
Driver with highest DPC total execution time: nvlddmkm.sys - NVIDIA Windows Kernel Mode Driver, Version 522.25 , NVIDIA Corporation
Total time spent in DPCs (%) 0.010266
DPC count (execution time <250 µs): 1444554
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-10000 µs): 5339
DPC count (execution time 1000-2000 µs): 15
DPC count (execution time 2000-4000 µs): 10
DPC count (execution time >=4000 µs): 0
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REPORTED HARD PAGEFAULTS
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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: msmpeng.exe
Total number of hard pagefaults 42507
Hard pagefault count of hardest hit process: 18219
Number of processes hit: 68
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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 43.769219
CPU 0 ISR highest execution time (µs): 166.516028
CPU 0 ISR total execution time (s): 0.233745
CPU 0 ISR count: 39291
CPU 0 DPC highest execution time (µs): 3598.246883
CPU 0 DPC total execution time (s): 5.163922
CPU 0 DPC count: 1027909
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CPU 1 Interrupt cycle time (s): 6.233358
CPU 1 ISR highest execution time (µs): 477.168299
CPU 1 ISR total execution time (s): 0.002112
CPU 1 ISR count: 209
CPU 1 DPC highest execution time (µs): 169.341051
CPU 1 DPC total execution time (s): 0.005940
CPU 1 DPC count: 725
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CPU 2 Interrupt cycle time (s): 243.741725
CPU 2 ISR highest execution time (µs): 49.027159
CPU 2 ISR total execution time (s): 0.000353
CPU 2 ISR count: 48
CPU 2 DPC highest execution time (µs): 470.085708
CPU 2 DPC total execution time (s): 0.830926
CPU 2 DPC count: 95856
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CPU 3 Interrupt cycle time (s): 170.354950
CPU 3 ISR highest execution time (µs): 0.0
CPU 3 ISR total execution time (s): 0.0
CPU 3 ISR count: 0
CPU 3 DPC highest execution time (µs): 547.292965
CPU 3 DPC total execution time (s): 0.337620
CPU 3 DPC count: 49210
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CPU 4 Interrupt cycle time (s): 5.487494
CPU 4 ISR highest execution time (µs): 0.0
CPU 4 ISR total execution time (s): 0.0
CPU 4 ISR count: 0
CPU 4 DPC highest execution time (µs): 56.730855
CPU 4 DPC total execution time (s): 0.019646
CPU 4 DPC count: 10211
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CPU 5 Interrupt cycle time (s): 5.017559
CPU 5 ISR highest execution time (µs): 0.0
CPU 5 ISR total execution time (s): 0.0
CPU 5 ISR count: 0
CPU 5 DPC highest execution time (µs): 16.940116
CPU 5 DPC total execution time (s): 0.000725
CPU 5 DPC count: 272
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CPU 6 Interrupt cycle time (s): 207.248217
CPU 6 ISR highest execution time (µs): 0.0
CPU 6 ISR total execution time (s): 0.0
CPU 6 ISR count: 0
CPU 6 DPC highest execution time (µs): 435.434105
CPU 6 DPC total execution time (s): 1.060772
CPU 6 DPC count: 126384
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CPU 7 Interrupt cycle time (s): 205.672814
CPU 7 ISR highest execution time (µs): 0.0
CPU 7 ISR total execution time (s): 0.0
CPU 7 ISR count: 0
CPU 7 DPC highest execution time (µs): 1656.034061
CPU 7 DPC total execution time (s): 0.987181
CPU 7 DPC count: 104672
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CPU 8 Interrupt cycle time (s): 4.700555
CPU 8 ISR highest execution time (µs): 0.0
CPU 8 ISR total execution time (s): 0.0
CPU 8 ISR count: 0
CPU 8 DPC highest execution time (µs): 642.902939
CPU 8 DPC total execution time (s): 0.014040
CPU 8 DPC count: 6688
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CPU 9 Interrupt cycle time (s): 4.251002
CPU 9 ISR highest execution time (µs): 0.0
CPU 9 ISR total execution time (s): 0.0
CPU 9 ISR count: 0
CPU 9 DPC highest execution time (µs): 52.152716
CPU 9 DPC total execution time (s): 0.000619
CPU 9 DPC count: 174
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CPU 10 Interrupt cycle time (s): 4.701291
CPU 10 ISR highest execution time (µs): 0.0
CPU 10 ISR total execution time (s): 0.0
CPU 10 ISR count: 0
CPU 10 DPC highest execution time (µs): 616.335708
CPU 10 DPC total execution time (s): 0.007775
CPU 10 DPC count: 3066
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CPU 11 Interrupt cycle time (s): 4.257906
CPU 11 ISR highest execution time (µs): 0.0
CPU 11 ISR total execution time (s): 0.0
CPU 11 ISR count: 0
CPU 11 DPC highest execution time (µs): 24.944346
CPU 11 DPC total execution time (s): 0.000427
CPU 11 DPC count: 120
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CPU 12 Interrupt cycle time (s): 4.083843
CPU 12 ISR highest execution time (µs): 0.811443
CPU 12 ISR total execution time (s): 0.000066
CPU 12 ISR count: 187
CPU 12 DPC highest execution time (µs): 313.016474
CPU 12 DPC total execution time (s): 0.007224
CPU 12 DPC count: 1018
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CPU 13 Interrupt cycle time (s): 3.994307
CPU 13 ISR highest execution time (µs): 0.981745
CPU 13 ISR total execution time (s): 0.000019
CPU 13 ISR count: 49
CPU 13 DPC highest execution time (µs): 41.413624
CPU 13 DPC total execution time (s): 0.001511
CPU 13 DPC count: 457
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CPU 14 Interrupt cycle time (s): 6.341292
CPU 14 ISR highest execution time (µs): 0.971728
CPU 14 ISR total execution time (s): 0.000158
CPU 14 ISR count: 428
CPU 14 DPC highest execution time (µs): 822.532280
CPU 14 DPC total execution time (s): 0.107038
CPU 14 DPC count: 22394
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CPU 15 Interrupt cycle time (s): 14.159168
CPU 15 ISR highest execution time (µs): 0.621104
CPU 15 ISR total execution time (s): 0.000031
CPU 15 ISR count: 76
CPU 15 DPC highest execution time (µs): 300.484194
CPU 15 DPC total execution time (s): 0.005341
CPU 15 DPC count: 762
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Posted By: Derezed
Date Posted: 25 Oct 2022 at 5:27am
Hi there,
Had help from ASRock support...very quick, so thank you.
The issue, however, was me. I had installed my AIO incorrectly so my chip was probably overheating. I can ignore the Latency Mon report and assume all will be well. No issues after relocating my AIO radiator and hooking up the fans correctly...
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