1Gbe Oob Management Leds Interface; Rtc Battery - Nvidia BlueField-2 User Manual

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For DPUs with integrated BMC: 1GbE OOB Management can be performed via the BlueField-2 device or the integrated BMC.

1GbE OOB Management LEDs Interface

There are 2 OOB management LEDs, one green and one amber/yellow. The following table describes LED behavior for DPUs with or with onboard BMC.
LED Indications
Green LED Amber/Yellow LED
OFF OFF
ON OFF
Blinking OFF
OFF ON
OFF Blinking
ON ON
Blinking Blinking
* On DPUs without BMC, speeds can be 10 Mb/s, 100 Mb/s or 1Gb/s.
RTC Battery
The DPU incorporates a COIN TYPE LITHIUM BATTERY CR621 for RTC (Real Time Clock).
DPUs with BMC
Link off
1 Gb/s link / No activity
1 Gb/s link / Activity (RX,TX)
Not supported
Link Activity
DPUs without BMC
Link off
Link on (any speed *) / No activity
1 Gb/s link / Activity (RX,TX)
100 Mb/s link / No activity
100 Mb/s link / Activity (RX,TX)
10 Mb/s link / No activity
10 Mb/s link / Activity (RX,TX)
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