SCS.1d - Stanton

Appendix - DPC (Windows XP-Vista)
For example, a typical problem is shown in the next figure. Red bars indicate excessive DPC latency. (Figure A.2)
Figure A.2
So let’s open Device Manager to find out the driver that causes the excessive DPC latencies. On your desktop, right click
My Computer icon and click Properties. In the System Properties window, click the Hardware tab, and then click the
Device Manager button. In the next page, please check Figure A.3.
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