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36
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 under Display adapters
Try to disable the following devices first:
•
Network adapters for Ethernet and Wireless LAN (W-LAN)
•
ACPI 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.