You shouldn't need to do this unless:
1. Your computer vendor provided you with a custom HAL (Hardware Abstraction Layer).
2. Windows 2000 setup didn't recognize your hardware.
When setup starts, you will see:
Setup is inspecting your computer's hardware.
Press the F5 key.
Select the proper HAL from the list:
ACPI Multiprocessor PC ACPI Uniprocessor PC Advanced Configuration and Power Interface (ACPI) PC Compaq SystemPro Multiprocessor or 100% Compatible MPS Uniprocessor PC MPS Multiprocessor PC Standard PC Standard PC with C-Step i486 OtherIf you have a custom HAL, select Other.
Continue the installation.