i´ve installed the CPUdisabler.kext but after updating to 10.5.5 i have the AppleIntelCPUPowermangement.kext in the extensions-folder. is that normal? i delete this manually as the updating process.

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Motherboard Name: Asus M4A77D
CPU Typ: AMD Phenom II X4 955
RAM: 4096 MB (DDR2-800 DDR2 SDRAM)
USB Controller: ATI SB710 - OHCI USB Controller
Sound: VIA 7.1 Audio (VT1708S) - High Definition Audio Controller
Video: NVIDIA GeForce 9600 GT (512 MB)
Network: Realtek RTL8139 PCI Fast Ethernet Adapter PCI