Lexika BIOS PostCodes AMI-UEFI Aptio 4.x BIOS PostCodes Phoenix 24/7 Operation Mode Checkpoints & Beep Codes for Debugging Document Revision 1.11Revision Date: December 31, 2009 Public DocumentCopyright ©2009American Megatrends, Inc.5555 Oakbrook ParkwaySuite 200Norcross, GA 30093