Intel® Server System M20MYP1UR System Integration and Service Guide
82
Post Code
(Hex)
Nibble
LED 3
(MSB)
LED 2
LED 1
LED 0
(LSB)
Description
F2
Upper
1
1
1
1
Recovery PEIM (recovery started)
Lower
0
0
1
0
F3
Upper
1
1
1
1
Recovery PEIM (capsule found)
Lower
0
0
1
1
F4
Upper
1
1
1
1
Recovery PEIM (capsule loaded)
Lower
0
1
0
0
E8
Upper
1
1
1
0
No usable memory error
Lower
1
0
0
0
EA
Upper
1
1
1
0
DDR4 channel training error
Lower
1
0
1
0
EB
Upper
1
1
1
0
Memory test failure
Lower
1
0
1
1
ED
Upper
1
1
1
0
DIMM configuration/population error
Lower
1
1
0
1
EF
Upper
1
1
1
0
Indicates a CLTT table structure error
Lower
1
1
1
1
B0
Upper
1
0
1
1
Detect DIMM population
Lower
0
0
0
0
B1
Upper
1
0
1
1
Set DDR4 frequency
Lower
0
0
0
1
B2
Upper
1
0
1
1
Gather remaining SPD data
Lower
0
0
1
0
B3
Upper
1
0
1
1
Program registers on the memory controller level
Lower
0
0
1
1
B4
Upper
1
0
1
1
Evaluate RAS modes and save rank information
Lower
0
1
0
0
B5
Upper
1
0
1
1
Program registers on the channel level
Lower
0
1
0
1
B6
Upper
1
0
1
1
Perform the JEDEC defined initialization sequence
Lower
0
1
1
0
B7
Upper
1
0
1
1
Train DDR4 ranks
Lower
0
1
1
1
Содержание M20MYP1UR
Страница 2: ...Intel Server System M20MYP1UR System Integration and Service Guide 2 Blank page...
Страница 56: ...Intel Server System M20MYP1UR System Integration and Service Guide 56 Figure 54 DIMM fault LEDs...
Страница 103: ...Intel Server System M20MYP1UR System Integration and Service Guide 103 1 2 3 4 5 ESD 6 1 2 3...
Страница 104: ...Intel Server System M20MYP1UR System Integration and Service Guide 104 1 2 3 4 5...