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Publication No. SBC329-HRM/1
Functional Description 73
5.20 LEDs
Figure 5-9 Rear LED Positions
Table 5-21 LED Summary
LEDs
Name
Color
Meaning when lit
DS402
BIT Status 2
Yellow
Depends on BIT test
DS403
BIT Status 1
Yellow
Depends on BIT test
DS404
BIT Fail
Red
Indicates that BIT has failed, or another OS is not able to switch it off
DS405
Reset
Red
Steady on = The on-board platform-reset signal is asserted
Quick flash (4 Hz) = The CPU Catastrophic Error signal is asserted
Slow flash (2 Hz) = The CPU solder-ball daisy chain is broken
DS408
SSD activity
Yellow
The SSD device is active
DS409
Backplane PCIe
DP01 link
status
Green
Steady on = DP01 is linked at Gen3 (8 GT/s) speed
Flashing 2 Hz = DP02 is linked at Gen2 (5 GT/s) speed
Flashing 1 Hz = DP02 is linked at Gen1 (2.5 GT/s) speed
DS410
Backplane PCIe
DP02 link
status
Green
Steady on = DP02 is linked at Gen3 (8 GT/s) speed
Flashing 2 Hz = DP01 is linked at Gen2 (5 GT/s) speed
Flashing 1 Hz = DP01 is linked at Gen1 (2.5 GT/s) speed
DS411
XMC PCIe link
status
Green
Steady on = XMC is linked at Gen3 (8 GT/s) speed
Flashing 2 Hz = XMC is linked at Gen2 (5 GT/s) speed
Flashing 1 Hz = XMC is linked at Gen1 (2.5 GT/s) speed
DS412
CPU PCIe link
status
Green
Steady on = CPU is linked at Gen3 (8 GT/s) speed
Flashing 2 Hz = CPU is linked at Gen2 (5 GT/s) speed
Flashing 1 Hz = CPU is linked at Gen1 (2.5 GT/s) speed
DS414 to
DS421
POST status
Yellow
Shows the value of the most recent PORT80 write cycle,
where DS414 = bit 0 of the PORT80 register and
DS421 = bit 7 of the PORT80 register
DS422
ETH0 speed
Yellow
ETH0 has linked at 1000 Mb/s speed
DS437
DS402
DS403
DS438
DS429
DS410
DS409
DS431
DS404
DS405
DS430
DS433
DS434
DS436
DS435
DS422
DS432
DS
42
1
DS
42
0
DS
41
9
DS
41
8
DS
41
7
DS
41
6
DS
41
5
DS
41
4
DS411
DS408
DS412