Compaq AlphaServer ES40 Service Manual page 177

Table 5–2 Machine Checks/Interrupts (Continued)
Error Type
System Correctable Error
(620)
ES40-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.
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)
Error Logs 5-15