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Chapter 2 NAS Head 2-27
2.6.2 POST Error Beep Codes
The tables in this section list the POST error beep codes. Prior to system video
initialization, the BIOS and BMC use these beep codes to notify users of error
conditions.
8305 Hotswap controller failed to function Yes
8420 Intelligent System Monitoring chassis opened Yes
84F1 Intelligent System Monitoring forced shutdown Yes
84F2 Server Management Interface failed Yes
84F3 BMC in update mode Yes
84F4 Sensor Data Record (SDR) empty Yes
84FF System event log full No
8500 Bad or missing memory in slot 3A Yes
8501 Bad or missing memory in slot 2A Yes
8502 Bad or missing memory in slot 1A Yes
8504 Bad or missing memory in slot 3B Yes
8505 Bad or missing memory in slot 2B Yes
8506 Bad or missing memory in slot 1B Yes
8601 All memory marked as fail: forcing minimum back online Yes
TABLE 2-11 BMC-Generated POST Beep Codes
Beep Code
1
Description
1 One short beep before boot (normal, not an error)
1-2 Search for option ROMs. One long beep and two short beeps on checksum
failure.
1-2-2-3 BIOS ROM checksum
1-3-1-1 Test DRAM refresh
1-3-1-3 Test 8742 keyboard controller
1-3-3-1 Auto size DRAM. System BIOS stops execution here if the BIOS does not
detect any usable memory DIMMs.
1-3-4-1 Base RAM failure. BIOS stops execution here if entire memory is bad.
TABLE 2-10 Extended POST Error Messages and Codes (Continued)
Error Code Error Message Pause On Boot