Led Interface; Heatsink Interface; Smbus Interface; Voltage Regulators - Mellanox Technologies ConnectX-5 Ex User Manual

2.3

LED Interface

There is one bi-color I/O LED per port to indicate link status. See
Table 9 - Physical and Logical Link Indications (Ethernet Mode)
LED Color and State
Off
Blinking Amber
Solid Green
Blinking Green
a. 1 Hz Blinking Amber occurs due to running a beacon command for locating the adapter card.
2.4

Heatsink Interface

The 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 high temperature event, improper thermal coupling or heatsink
removal.
2.5

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 pro-
tocols 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.
2.6

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 vari-
ous components on the card.
Rev 1.7
A link has not been established
a 4 Hz blinking Amber indicates a problem with the link
Indicates a valid link with no active traffic
Indicates a valid logical link with active traffic
Mellanox Technologies
Table 9.
Description
Interfaces
16