Intel S5500BCR - Table 9. BMC POST Error Beep Codes

Troubleshooting
Intel
®
Server Board S5520HC, S5520HCT, and S5500HCV Service Guide 41
Table 9. BMC POST Error Beep Codes
Number of Beeps Reason for the Beeps and Action to Take
1-5-2-1 No CPUs installed or first CPU socket is empty.
1-5-4-2 Power fault: DC power unexpectedly lost (power good dropout).
1-5-4-4 Power control fault (power good assertion timeout).