State
Bi-color LED (Yellow/Green) - Link speed
Error
4Hz blinking Yellow Indicates an error with the link. The
error can be one of the following:
Link Activity
•
A constant Green indicates a link with the maximum
networking speed.
•
A constant Yellow indicates a link with less than the
maximum networking speed.
Link Up
•
A constant Green indicates a link with the maximum
networking speed.
•
A constant Yellow indicates a link with less than the
maximum networking speed.
Heat Sink Interface
A heatsink is attached to the ConnectX-5 IC in order to dissipate the heat from the ConnectX- 5 IC. It is
attached either by using four spring-loaded push pins that insert into four mounting holes or by
screws.
ConnectX-5 IC has a thermal shutdown safety mechanism which automatically shuts down the
ConnectX-5 card in cases of a high-temperature event, improper thermal coupling or heatsink
removal.
SMBus Interface
ConnectX-5 technology maintains support for manageability through a BMC. ConnectX-5 PCIe stand-up
adapter can be connected to a BMC using MCTP over SMBus or MCTP over PCIe protocols as if it is a
standard Mellanox PCIe stand-up adapter. For configuring the adapter for the specific manageability
solution in use by the server, please contact Mellanox Support.
Voltage Regulators
The voltage regulator power is derived from the PCI Express edge connector 12V supply pins. These
voltage supply pins feed onboard regulators that provide the necessary power to the various
components on the card.
Error Type
Description LED Behavior
I
2
C
I
2
C access to the
networking ports
fails
Blinks until error
is fixed
Over-current
Over-current
condition of the
networking ports
Blinks until error
is fixed
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