Try this. Open REGEDIT and open HKEY_LOCAL_MACHINE\Enum. Delete the ENUM key. Unplug all external devices and reboot.

We can try disabling ACPI later.

Bill

: I did all that and still no luck... I even removed all devices previously attached to my usb such as mouse and printer.: Forget about manually setting IRQs. Windows won't allow it. You need to go to Safe Mode and remove the Root Hubs, Host Controllers and NIC from Device Manager. Now reboot to BIOS setup and *immediately* reset ESCD/Configuration Data/NVRAM.: Bill: : Ok, I figured it out and did what u said and this is the result... They are still sharing same IRQ:: : : : 0 System timer: : 1 Standard 101/102-Key or Microsoft Natural Keyboard: : 2 Programmable interrupt controller: : 3 (free): : 4 (free): : 5 SCI IRQ used by ACPI bus: : 6 Standard Floppy Disk Controller: : 7 Creative SB Live! Value: : 7 ACPI IRQ Holder for PCI IRQ Steering: : 8 System CMOS/real time clock: : 9 ACPI IRQ Holder for PCI IRQ Steering: : 10 Linksys LNE100TX Fast Ethernet Adapter(LNE100TX v4): : 10 AMI MegaRAID IDE 100 Controller: : 10 VIA Tech 3038 PCI to USB Universal Host Controller: : 10 VIA Tech 3038 PCI to USB Universal Host Controller: : 10 ACPI IRQ Holder for PCI IRQ Steering: : 11 RADEON 7200/RADEON : : 11 ACPI IRQ Holder for PCI IRQ Steering: : 12 PS/2 Compatible Mouse Port: : 13 Numeric data processor: : 14 Primary IDE controller (dual fifo): : 14 VIA Bus Master PCI IDE Controller: : 15 Secondary IDE controller (dual fifo): : 15 VIA Bus Master PCI IDE Controller