AFL-W19A/17D/W15A-N270 Panel PCPage vi3.3.7.1 USB Mass Storage Device Configuration................................................. 713.4 PCI/PNP................................................................................................................... 723.5 BOOT ........................................................................................................................ 753.5.1 Boot Settings Configuration............................................................................. 753.5.2 Boot Device Priority ........................................................................................ 783.5.3 Hard Disk Drives ............................................................................................. 793.5.4 Removable Drives ............................................................................................ 793.5.5 CD/DVD Drives ............................................................................................... 803.6 SECURITY ................................................................................................................. 813.7 CHIPSET ................................................................................................................... 823.7.1 Northbridge Configuration .............................................................................. 833.7.2 Southbridge Configuration .............................................................................. 853.8 EXIT ......................................................................................................................... 864 SYSTEM MAINTENANCE ....................................................................................... 884.1 SYSTEM M AINTENANCE I NTRODUCTION .................................................................. 894.2 M OTHERBOARD REPLACEMENT ............................................................................... 894.3 COVER REMOVAL ..................................................................................................... 894.4 M EMORY M ODULE REPLACEMENT ........................................................................... 90A SAFETY PRECAUTIONS ......................................................................................... 92A.1 SAFETY PRECAUTIONS ............................................................................................ 93A.1.1 General Safety Precautions ............................................................................. 93A.1.2 Anti-static Precautions .................................................................................... 94A.1.3 Product Disposal ............................................................................................. 95A.2 M AINTENANCE AND CLEANING P RECAUTIONS ........................................................ 95A.2.1 Maintenance and Cleaning.............................................................................. 95A.2.2 Cleaning Tools ................................................................................................. 96B ALC892 DIGITAL MICROPHONE CONFIGURATION.............................................. 97B.1 ALC892 DIGITAL M ICROPHONE CONFIGURATION ................................................... 98C BIOS OPTIONS ........................................................................................................ 101D TERMINOLOGY ..................................................................................................... 105E WATCHDOG TIMER............................................................................................... 109