Service manual

Appendix C
EEPROM Mismatches and the UPDATE
Command
Table C–1 shows the results of trying to update processor modules from
primary processors that have different ROM revisions from the secondary
being updated.
Table C–1: UPDATE Results on EEPROM Mismatches
Primary
ROM
Revision
Secondary
ROM
Revision Results after UPDATE issued
<REFERENCE>(xrp)
ROM Revisions
1.0 2.0 Processor EEPROM corrupted, but still powers up.
1.0 3.0 Processor EEPROM corrupted, but still powers up.
2.0 1.0 Use EVUCA for updates to secondary EEPROM.
Update not allowed.
2.0 3.0 Use EVUCA for updates to secondary EEPROM.
Update not allowed.
3.0 1.0 Use EVUCA for updates to secondary EEPROM.
Update not allowed.
3.0 2.0 Use EVUCA for updates to secondary EEPROM.
Update not allowed.
<REFERENCE>(xyp)
ROM Revisions
4.1 6.0 Processor updated.
Power-up tests broken.
Processor will not be recognized.
6.0 4.1 Use EVUCA for updates to secondary EEPROM.
Update not allowed.
EEPROM Mismatches and the UPDATE Command C–1