Intel® Server D50TNP Family Integration and Service Guide
209
Note:
Fatal MRC errors display POST error codes that may be the same as BIOS POST progress codes
displayed later in the POST process. The fatal MRC codes can be distinguished from the BIOS POST progress
codes by the accompanying memory failure beep code of three long beeps as identified in
Table 10. MRC Fatal Error Codes
Post Code
(Hex)
Upper Nibble
Lower Nibble
Description
8h
4h
2h
1h
8h
4h
2h
1h
E8
1
1
1
0
1
0
0
0
No usable memory error
01h = No memory was detected from SPD read, or invalid config that
causes no operable memory.
02h = Memory DIMMs on all channels of all sockets are disabled due to
hardware memtest error.
03h = No memory installed. All channels are disabled.
E9
1
1
1
0
1
0
0
1
Memory is locked by Intel® TXT and is inaccessible
EA
1
1
1
0
1
0
1
0
DDR4 channel training error
01h = Error on read DQ/DQS (Data/Data Strobe) init
02h = Error on Receive Enable
03h = Error on Write Leveling
04h = Error on write DQ/DQS (Data/Data Strobe
EB
1
1
1
0
1
0
1
1
Memory test failure
01h = Software memtest failure.
02h = Hardware memtest failed.
ED
1
1
1
0
1
1
0
1
DIMM configuration population error
01h = Different DIMM types (RDIMM, LRDIMM) are detected installed in
the system.
02h = Violation of DIMM population rules.
03h = The 3rd DIMM slot cannot be populated when QR DIMMs are
installed.
04h = UDIMMs are not supported.
05h = Unsupported DIMM Voltage.
EF
1
1
1
0
1
1
1
1
Indicates a CLTT table structure error