User Manual
ASUS Pro WS C621-64L SAGE Series
3-1
Chapter 3
BIOS setup
3
Chapter 3: BIOS Setup
3.1 Managing and updating your BIOS
The following utilities allow you to manage and update the motherboard Basic Input/Output
System (BIOS) setup:
1. ASUS CrashFree BIOS 3
TorecovertheBIOSusingabootableUSBashdiskdrivewhentheBIOSlefailsor
gets corrupted.
2. ASUS EzFlash
UpdatestheBIOSusingaUSBashdisk.
3. BUPDATER
UpdatestheBIOSinDOSmodeusingabootableUSBashdiskdrive.
Refer to the corresponding sections for details on these utilities.
SaveacopyoftheoriginalmotherboardBIOSletoabootableUSBashdiskdrivein
case you need to restore the BIOS in the future. Copy the original motherboard BIOS
using the BUPDATER utility.
3.1.1 ASUS CrashFree BIOS 3 utility
The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS
lewhenitfailsorgetscorruptedduringtheupdatingprocess.Youcanupdateacorrupted
BIOSleusingaUSBashdrivethatcontainstheupdatedBIOSle.
PrepareaUSBashdrivecontainingtheupdatedmotherboardBIOSbeforeusingthis
utility.
Recovering the BIOS from a USB flash drive
TorecovertheBIOSfromaUSBashdrive:
1. InserttheUSBashdrivewiththeoriginalorupdatedBIOSletooneUSBporton
the system.
2. The utility will automatically recover the BIOS. It resets the system when the BIOS
recoverynished.
DO NOT shut down or reset the system while recovering the BIOS! Doing so would cause
system boot failure!
The recovered BIOS may not be the latest BIOS version for this motherboard. Visit the
ASUSwebsiteatwww.asus.comtodownloadthelatestBIOSle.