Fatal (Hard) Error Types - Digital Equipment MUXserver 100 Reference Manual

Error Type
Program RAM
Data Error
Program ROM
CRC Error
EEPROM
Checksum
Error
Timer Error
JAM Error
LANCE Error
Communications
Processor or
Shared Memory
Error
Communication
Port Error
Table 7-3 Fatal (Hard) Error Types
Description
Any Program RAM data error detected by the dy-
namic memory tests.
Any error detected on a CRC-I6 calculation of
the diagnostic software in Program ROM.
A checksum error in the
ECO/LANCE
revision area
of EEPROM.
Any failure detected by the Refresh or Watchdog Timer
tests.
The test failed to unjam from Program ROM and con-
tinue from Program RAM. Testing must be completed
from Program ROM.
Any error detected during Initialization or on an Internal
Loopback operating test.
If
the communications processor fails any of its
tests or the shared memory interface to the com-
munications processor fails.
If
either of the Composite Communication ports
fails, the server is inoperable.
8 CHAPTER 7 DIAGNOSTICS