Ik heb nog niet geformatteerd. Ik heb wel naar wat over het Apic gebeuren gelezen. Het wordt dus afgeraden als je een multiprocessor systeem hebt. Weet niet echt hoe dat dan met mijn systeem zit, aangezien ik een 3,0Ghz hyperthreading processor heb. Die ziet dus 2 processors, dan heb ik dus eigenlijk een "multiprocessor" systeem en wordt het afgeraden om APIC uit te zetten.
Hier wat meer info.
"APIC Function
Common Options : Enabled, Disabled
Details
The APIC Function BIOS feature is used to enable or disable the motherboard's APIC (Advanced Programmable Interrupt Controller). The APIC is a new distributed set of devices that make up an interrupt controller. In current implementations, it consists of three parts - a local APIC, an I/O APIC and an APIC bus.
The local APIC delivers interrupts to a specific processor so each processor in a system has to have its own local APIC. Therefore, a dual processor system must have two local APICs. Because a local APIC has been integrated into every processor since the debut of the original Intel Pentium P54C processor, there's no need to worry about the number of local APICs.
The I/O APIC is the replacement for the old chained 8259 PIC (Programmable Interrupt Controller) still in use in many motherboards. It collects interrupt signals from I/O devices and send messages to the local APICs via the APIC bus which connects it to the local APICs.
There can be up to eight I/O APICs in a system, each supporting anywhere from 24 (usually) to 64 interrupt lines. As you can see, this allows a lot more IRQs than is currently possible with the 8259 PIC. Note that without at least one I/O APIC, the local APIC is useless and the system functions as if it's based on the 8259 PIC.
To sum it all up, APIC provides multiprocessor support, more IRQs and faster interrupt handling which are not possible with the old 8259 PIC. Although they can be used in single-processor boards, you are more likely to find them in multi-processor motherboards. This is because APIC is only supported in Windows NT, 2000 and XP. It is not supported in operating systems that are required to support MS-DOS device drivers, i.e. Windows 95/98. But as users transition to Windows XP, you can expect more manufacturers to ship single-processor boards with I/O APICs.
If your single-processor motherboard supports APIC and you are using a Win32 operating system (Windows NT, 2000 and XP), it's recommended that you enable this feature to allow faster and better IRQ handling. If you are using a multiprocessor motherboard, you must enable this feature because it's required for IRQ handling in multiprocessor systems.
However, if you are running Windows 95/98 or a DOS-based operating system on a single-processor motherboard, you must disable this feature. This is because MS-DOS drivers assume they can write directly to the 8259 PIC (APIC did not exist yet in those days!) and its associated IDT entries. Disabling this feature forces the APIC to revert to the legacy 8259 PIC mode."
Bron: Adrian's Rojaks pot The Definitive BIOS Optimization GuideYou should not normally need to do this. ACPI is a modern standard for computer resource and power management and disabling this may lead to uncertain results and reduced functionality. None of the newer BIOS versions support the disabling of ACPI through the BIOS, as this functionality has been hidden. This is because this is a prerequisite for any mainboard submitted for Microsoft WHQL approval. However, if you are desperate for this option, then it is in fact still available with the BIOS releases, but you must use a utility called modbin6 to modify the BIOS options to unhide this feature. This is a simple exercise. Needless to say, you risk corrupting your system by modifying a BIOS file yourself and flashing the machine. You therefore do this at your own risk. Note that after disabling ACPI in the BIOS, you may need to reinstall Windows. To enable this option, do the following:
Copy the BIOS file you wish to modify (eg. UZ103b1.bin) and modbin6 to a temporary directory
Type "modbin6" to start program
Select the filename you wish to modify, and hit return. It will load the BIOS.
Go to "Edit setup screen" on the option list and hit return
Scroll down the option "tree" to "Power Manage" then use the right-arrow key to select the "ACPI function" item (which should be in black).
Press return to bring up options, and use up/down arrow key to select "Normal" and then hit the spacebar to select. (It was originally on "Disable").
Press Esc twice to return to main menu
Select "File" then "Save BIOS". Enter a filename and hit return.
Hit Esc twice to Abort then Quit
You've finished! Flash your new BIOS!
Under Windows 2000/XP you can disable ACPI from within Windows as follows:
Go to Device Manager and select Computer -> Properties of ACPI PC
Click the driver Tab and choose Update Driver
When the wizard gets to the "What do you want the wizard to do?" page select "Display a list of the known drivers..."
Then "Show all hardware of this device class"
Then select "Standard PC"
Reboot the machine
When Windows restarts it will redetect most of the hardware in your machine again and reassign IRQ's to them, turning off ACPI.
Bron: Sudhian Media's KX7 FAQ
Misschien dat ik HT nog uitschakel en het dan uitprobeer. Hopelijk komt er nog iemand langs die dit heeft uitgeprobeerd met z'n Nforce2 bord of probeer het zelf
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