5 - 25 - 25 - 25 - 25 - 2 C h a p t e r 5 : B I O S s e t u pC h a p t e r 5 : B I O S s e t u pC h a p t e r 5 : B I O S s e t u pC h a p t e r 5 : B I O S s e t u pC h a p t e r 5 : B I O S s e t u p5.1 Managing and updating your BIOSThe following utilities allow you to manage and update the motherboardBasic Input/Output System (BIOS) setup.1. A S U S A F U D O SA S U S A F U D O SA S U S A F U D O SA S U S A F U D O SA S U S A F U D O S (Updates the BIOS in DOS mode using a bootablefloppy disk.)2. A S U S C r a s h F r e e B I O S 2A S U S C r a s h F r e e B I O S 2A S U S C r a s h F r e e B I O S 2A S U S C r a s h F r e e B I O S 2A S U S C r a s h F r e e B I O S 2 (Updates the BIOS using a bootablefloppy disk or the motherboard support CD when the BIOS file fails orgets corrupted.)3. A S U S U p d a t eA S U S U p d a t eA S U S U p d a t eA S U S U p d a t eA S U S U p d a t e (Updates the BIOS in Windows ® environment.)Refer to the corresponding sections for details on these utilities.5.1.15.1.15.1.15.1.15.1.1 Creating a bootable floppy diskCreating a bootable floppy diskCreating a bootable floppy diskCreating a bootable floppy diskCreating a bootable floppy disk1. Do either one of the following to create a bootable floppy disk.DOS environmenta. Insert a 1.44MB floppy disk into the drive.b. At the DOS prompt, type format A:/S then press .Windows ® XP and Server 2003 environmenta. Insert a 1.44 MB floppy disk to the floppy disk drive.b. Click S t a r tS t a r tS t a r tS t a r tS t a r t from the Windows® desktop, then select M yM yM yM yM yC o m p u t e rC o m p u t e rC o m p u t e rC o m p u t e rC o m p u t e r.c. Select the 3 1/2 Floppy Drive icon.d. Click F i l eF i l eF i l eF i l eF i l e from the menu, then select F o r m a tF o r m a tF o r m a tF o r m a tF o r m a t. A F o r m a t 3 1 / 2F o r m a t 3 1 / 2F o r m a t 3 1 / 2F o r m a t 3 1 / 2F o r m a t 3 1 / 2F l o p p y D i s kF l o p p y D i s kF l o p p y D i s kF l o p p y D i s kF l o p p y D i s k window appears.e. Select C r e a t e a n M S - D O S s t a r t u p d i s kC r e a t e a n M S - D O S s t a r t u p d i s kC r e a t e a n M S - D O S s t a r t u p d i s kC r e a t e a n M S - D O S s t a r t u p d i s kC r e a t e a n M S - D O S s t a r t u p d i s k from the formatoptions field, then click S t a r tS t a r tS t a r tS t a r tS t a r t.2. Copy the original or the latest motherboard BIOS file to the bootablefloppy disk.Save a copy of the original motherboard BIOS file to a bootable floppy diskin case you need to restore the BIOS in the future. Copy the originalmotherboard BIOS using the ASUS Update or AFUDOS utilities.