Compaq AlphaServer ES45 Service Manual page 190

Table 5–3 Machine Checks/Interrupts (Continued)
Error Type
System Correctable Error (620)
ES45-specific correctable errors.
System Uncorrectable Error
(660)
A system-detected machine
check that occurred as a result of
an "off-chip" request to the
system.
System Environmental Error
(680)
System-detected machine check
caused by an overtemperature
condition, fan failure, or power
supply failure.
NOTE: For overtemperature failure, the position of jumper J26 determines
whether the failure is fatal or nonfatal. See Appendix B.
5-20 ES45 Service Guide
Error Descriptions
System detected ECC single-bit error
Uncorrectable ECC error
Nonexistent memory reference
PCI system bus error (SERR)
PCI read data parity error (RDPE)
PCI address/command parity error (APE)
PCI no device select (NDS)
PCI target abort (TA)
Invalid scatter/gather page table entry (SGE) error
PCI data parity error (PERR)
Flash ROM write error
PCI target delayed completion retry time-out
(DCRTO)
PCI master retry time-out (RTO 2**24) error
PCI-ISA software NMI error
Overtemperature failure (>50° C) (see Note)
Uncorrectable Fan 5 failure
Complete power supply failure
Fan failure (redundant fan)
Power supply failure (redundant supply)
High temperature warning (>45° C and
<50° C)