Basics:

[Bios Screenshots nForce2]

[Bios Screenshots nForce3]

Before installing the operating system, please take a look into the Bios.
There are some options who do provide resources savings for a faster Windows
operating system. 

In the case of hard disks drives the principle question positions themselves here 
for the first time, "do I need S-ATA-Raid " 
If I have no S-ATA-Raid disk in use, thes mainboard controller could be disabled. 
Advantage: The boot activity becomes shorter, due to your PC does not search
S-ATA-Raid disk, which are not excisting. 
SATA Raid Bios screenshot, whow to disbale this controller.

If our PC disposes of a disk drive S-ATA, but only one disk drive IDE, you could
disbale the 2nd IDE controller 2 into the Bios.
A PC without floppy disk drive, does not need to the floppy drive controller, 
and can be minimized by he following Bios attitudes:
- Standard setup CMOS: Drive A and B, entry: "None"
- Intergrated Peripherals: Onboard controller FDC, entry "disabled"
Other possibilities PC resources savings, if the appropriate hardware is not applied:
-COM Ports 1 und 2 
-Game Port if you using USB for game devices
-Midi Port, which is only a support for Midi devices 
-LPT printer-LPT connection, if printer used with USB connection
-2nd MAC Lan connection if existing and not in use

With nForce 2 was to be cleared before installing the operating system whether 
my system will be APIC or non ACPI conformal. 
Newer nForce 2 Mainboards have with the procedure of APIC mostly no more 
problem.
If you want to play safe on number, install Windows without APIC. 
Of the appropriate Bios entry looks so: APIC Bios configuration screenshot

They renounce some internal interfaces IRQ, however, the IRQ Share runs off a
little bit cleaner and as a rule smoother.
Possible perhaps problems in the use of APIC: Audio sound snaps, distortions, high
extent of utilization CPU by certain applications, hardware conflict with incorrect 
IRQ share. Link on the subject: planet3dnow APIC Mode [German Language]

On nForce 3 problems with APIC are not known, the question "yes or no", you must 
not ask yourselves.
Often nForce3 Mainboards also have no disable function for APIC.

Memory allocation and binary dual channel enterprise operation on nForce2.
Is often asked, but has nothing do with the Bios himself. For help, this Page [Link]
explains the subject and what is to do.

Links to topic:
Memory configuation, whow to use Dual Channel mode on nForce 2
Help page to topic
Award Bios Post Beep and Error Codes as PDF File 
View Bios error messages.

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