Service manual

Error Logs 5-5
5.1.3 Error Log Events
Several different events are logged by OpenVMS and DIGITAL UNIX. Windows
NT does not log errors in this fashion.
Table 5-1 Types of Error Log Events
Error Log Event Description
MCHK 670 Processor machine checks.These are synchronous
errors that inform precisely what happened at the time
the error occurred. They are detected inside the CPU
chip and are fatal errors.
MCHK 660 System machine checks. These are asynchronous
errors that are recorded after the error has occurred.
Data on exactly what was going on in the machine at
the time of the error may not be known. They are
fatal errors.
MCHK 630 Processor correctable errors
MCHK 620 System correctable errors
Last fail Used to collect system bus registers prior to crashing
I/O error interrupt IOD error interrupts
System environment Used to provide status on power, fans, and
temperature
Configuration Used to provide system configuration information