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LED and State
4Hz blinking Yellow
LED0 -
Link Speed
LED1 -
Activity
Heatsink 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 that automatically shuts down the
ConnectX-5 card in cases of high-temperature events, 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 on-board regulators that provide the necessary power to the various
components on the card.
Thermal Sensors
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Indicates an error with the link. The error can be one of the
following:
Error Type
Description
2
2
I
C
I
C access to the
networking ports fails
Over-current
Over-current condition
of the networking ports
•
A constant Green indicates a link
networking speed.
•
A constant Yellow indicates a link
maximum networking speed
•
If LED0 is off, then the link has not been established.
•
A blinking Green indicates a valid link with data transfer.
•
If LED1 is off, then there is no activity
Description
LED Behavior
Blinks until the error
is fixed
Blinks until the error
is fixed
with the maximum
with less than the
15
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Table of Contents
Troubleshooting
