Digital Equipment 3100R Series, Service Maintenance Manual

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Troubleshooting
4-12
POST Messages
The following table lists the messages, both normal and error, that will display on the
server’s monitor during POST and any beeps that might sound when an error occurs.
POST/Boot Codes
POST Code Descriptions Count Down Code(1) Beep Codes
BIOS ROM checksum 1-2-2-3
Test 8742 keyboard controller 1-3-1-3
Auto size DRAM 1-3-3-1
RAM failure on address line(s) 1-3-4-1
RAM failure on data line(s) 1-3-4-3
RAM failure on data bits xxxx of high byte of memory
bus 1-4-1-1
Shadow system ROM 1-4-3-1
Unexpected interrupts test 230 2-2-3-1
Shadow miscellaneous ROMs 220
Test refresh 512K to 640K DRAM 210
Extended memory test 200
Set cache registers 190
Cache configuration 180
Real-time clock test 170 1-4-2-1
Keyboard test 160
Initial hardware interrupt 150
Co-processor test 140
Serial ports test 130
Parallel ports test 120
(1)
Count down codes are displayed on the server’s monitor.
continued