![background image](http://html1.mh-extra.com/html/nec/exp803/exp803_maintenance-manual_4183866183.webp)
1. POST Error Message
Express5800/R120f-1E Maintenance Guide
183
Chapter 3 Appendix
Error Message
Cause
Solution
A428
On Die was not ready.
Cluster On Die feature is
disabled in this hardware
configuration.
Replace the processor with the one that
supports this feature. Or, run SETUP and
select Disabled for the Cluster On Die. If the
same error persists, contact your sales
representative.
A429
DIMM population is
insufficient for Cluster On
Die.
Cluster On Die feature cannot work
with this memory configuration.
Check if memory configuration is correct. If
the same error persists, contact your sales
representative.
A800
Memory not detected
No valid memory is installed.
Check if DIMMs are properly installed. If the
same message appears repeatedly, contact
your sales representative.
A804
Latest memory module is
corrupted.
Failure on BIOS Flash ROM was
detected.
Contact your sales representative.
AE01
CPU1_DIMM1 has been
disabled.
A memory error was detected.
CPU1_DIMM1 has been disabled.
AE02
CPU1_DIMM2 has been
disabled.
A memory error was detected.
CPU1_DIMM2 has been disabled.
AE03
CPU1_DIMM3 has been
disabled.
A memory error was detected.
CPU1_DIMM3 has been disabled.
AE04
CPU1_DIMM4 has been
disabled.
A memory error was detected.
CPU1_DIMM4 has been disabled.
AE05
CPU1_DIMM5 has been
disabled.
A memory error was detected.
CPU1_DIMM5 has been disabled.
AE06
CPU1_DIMM6 has been
disabled.
A memory error was detected.
CPU1_DIMM6 has been disabled.
AE07
CPU1_DIMM7 has been
disabled.
A memory error was detected.
CPU1_DIMM7 has been disabled.
AE08
CPU1_DIMM8 has been
disabled.
A memory error was detected.
CPU1_DIMM8 has been disabled.
AE0D
CPU2_DIMM1 has been
disabled.
A memory error was detected.
CPU2_DIMM1 has been disabled.
AE0E
CPU2_DIMM2 has been
disabled.
A memory error was detected.
CPU2_DIMM2 has been disabled.
AE0F
CPU2_DIMM3 has been
disabled.
A memory error was detected.
CPU2_DIMM3 has been disabled.