Figure A.3
Now, before you start finding out which device could be the cause of the excessive DPC latency, please follow these suggestions:
You should not disable:
•any device listed in Device Manager under System devices or Computer
•the hard disk that contains the system partition
•the IDE/ATAPI or SATA controller this hard disk is connected to
•the system keyboard
•the mouse, track point or touch pad device
•the USB controller external keyboard and/or mouse devices are connected to
•the display controller listed und er Display adapters
Try to disable the following devices first:
•Network adapters for Ethernet and Wireless LAN (W‐LAN)
•ACP I Power Management
•Internal modems
•Internal sound devices (on‐board sound systems)
•Any PCI or PCI Express add‐on card, any PCCard or ExpressCard, e.g., TV tuner cards, ISDN or DSL adapters, modems, etc.
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