A-1
Appendix A: BIOS POST Messages
Appendix
A
BIOS POST Messages and LE1/LE2 Indicators
During the Power-On Self-Test (POST), the BIOS will check for problems. If a prob-
lem is found, the BIOS will activate an alarm or display a message. The following is
a list of such BIOS messages.
A-1 BIOS POST Beep Codes
Beeps
Error
Messages
1 repetitive long beep
Memory Modules Errors
1 long beep+2 short beeps
VGA Errors
A-2 LE1/LE2 Indicators
State
LE1 Indicator
LE2 Indicator
PWR-ON to
POST
Green On Yellow On
ECC Memory
Testing
Green Flash Yellow Flash
PCI Bus
Initializing
Green On Yellow Flash
VGA
Initializing
Green Flash Yellow On
System
Normal (After
POST)
Off N/A
Off N/A
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