Technical data

Troubleshooting
4-13
DIGITAL Server 5220
POST OCP Messages
For the processor, the following table lists the messages, both normal and error, that
will display on the server’s OCP panel during POST and any beeps that might sound
when an error occurs.
NOTE:
To disable the speaker, press the middle button located
below the OCP once after a beep sounds. To enable it, press the
button again.
POST/Boot Codes for the Processor Module
POST
Code Descriptions
Count
Down
Code
(1)
Normal OCP
Display
OCP Error
Display
Beep
Codes
BIOS ROM checksum 1-2-2-3
Test DRAM refresh 1-3-1-1
Test 8742 keyboard
controller
1-3-1-3
RAM failure on
address line xxxx
1-3-4-1
RAM failure on data
bits xxxx of low byte of
memory bus
1-3-4-3
RAM failure on data
bits xxxx of high byte
of memory bus
1-4-1-1
Check ROM copyright
notice
2-1-2-3
Unexpected interrupts
test
230 Unexpected int 2-2-3-1
(1)
Count down codes are displayed on the server’s monitor.
continued