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88 XVR16*4th Generation Intel® Core™ i7 Based Rugged VME Single Board Computer
Publication No.
500-9300007876-000
Rev. C.0
Table 8-12 LED Control Register (0x622)
Bit
R/W
Description
Default
7
R/W
BIT PASS LED
1 = LED ON
0 = LED OFF
0 (sticky
on BIT
reset)
6
R/W
BIT Fail LED
1 = LED ON
0 = LED OFF
Note: This output is ORed with the BMC BIT FAIL output
before driving the LED and also the BIT_FAIL pin on the
backplane.
0
5
R/W
BIT Status 1 LED
1 = LED ON
0 = LED OFF
0
4
R/W
BIT Status 0 LED
1 = LED lit
0 = LED not lit
0
3
R
Reserved for Standby Power LED
0
2
R/W
Board Power Status LED
1 = LED ON
0 = LED OFF
0
1
R/W
Reset Status LED
1 = LED ON
0 = LED OFF
0
0
R/W
SATA Status LED)
1 = LED ON
0 = LED OFF
0
Table 8-13 BIOS/SPI Control Register (0x625)
Bit
R/W
Description
Default
7
R/W
Select Other boot device
1 = Opposite boot device from which the board was
booted is selected (i.e. if booted from recovery, main
device is selected)
0 = Boot device from which the board was booted is
selected
0
6-0
R
Reserved
0