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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.