74
Intel
®
Server System SR1690WB Service Guide
•
Upper nibble bits = 1010b = Ah; Lower nibble bits = 1100b = Ch; the two are
concatenated as ACh.
8h
4h
2h
1h
8h
4h
2h
1h
Status
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Results
1
0
1
0
1
1
0
0
Ah
Ch
Table 9. POST Progress Code LED Example
Table 10. Diagnostic LED POST Code Decoder
Diagnostic LED Decoder
Checkpoint
1 = On, 0= Off
Description
Upper Nibble
Lower Nibble
MSB
LSB
8h
4h
2h
1h
8h
4h
2h
1h
LED
#7
#6
#5
#4
#3
#2
#1
#0
Host Processor
0x10h
0
0
0
1
0
0
0
0
Power-on initialization of
the host processor
(bootstrap processor)
0x11h
0
0
0
1
0
0
0
1
Host processor cache
initialization (including AP)
0x12h
0
0
0
1
0
0
1
0
Starting application
processor initialization
0x13h
0
0
0
1
0
0
1
1
SMM initialization
0x14h
0
0
0
1
0
1
0
0
Selection of Processor
with least feature use as
Boot Strap Processor
0x15h
0
0
0
1
0
1
0
1
Switch an AP processor to
become the new Boot
Strap Processor
Chipset
0x21h
0
0
1
0
0
0
1
0
Initializing a chipset
component
Memory
Содержание SR1690WB - Server System - 0 MB RAM
Страница 6: ...vi Intel Server System SR1690WB Service Guide...
Страница 14: ...xiv Intel Server System SR1690WB Service Guide...
Страница 18: ...xviii Intel Server System SR1690WB Service Guide...
Страница 102: ...84 Intel Server System SR1690WB Service Guide...
Страница 122: ...104 Intel Server System SR1690WB Service Guide...
Страница 128: ...110 Intel Server System SR1690WB Service Guide...
Страница 149: ...Intel Server System SR1690WB Service Guide 131 Intel Intel Intel Web UL...
Страница 150: ...132 Intel Server System SR1690WB Service Guide ITE ITE 5V...
Страница 151: ...Intel Server System SR1690WB Service Guide 133...
Страница 152: ...134 Intel Server System SR1690WB Service Guide ESD ESD ESD ESD ESD...
Страница 153: ...Intel Server System SR1690WB Service Guide 135...
Страница 154: ...136 Intel Server System SR1690WB Service Guide...