Networking Ports Leds Interface - Nvidia Mellanox ConnectX-6 Dx User Manual

Supported PCIe Interface
PCIe Gen 3.0/4.0 (1.1 and 2.0 compatible) through x16
edge connectors

Networking Ports LEDs Interface

There are two I/O LEDs, LED0 and LED1, per port to indicate speed and link status. LED0 is bicolor
(yellow and green) LED and LED1 is a single color (green) LED.
Link Indications
LED and State
1Hz blinking Yellow
4Hz blinking Yellow
LED0 -
Link Speed
LED1 -
Activity
FRU EEPROM
FRU EEPROM allows the baseboard to identify different types of Mezzanine cards. FRU EEPROM is
accessible through SMCLK and SMDATA. FRU EEPROM address is defined according to SLOT_ID0 and
SLOT_ID1 and its capacity is 4Kb.
Link Rates: 2.5. 5.0, 8.0 or 16GT/s.
Auto Negotiation to: x16, x8, x4, x2 or x1.
Support for MSI/MSI-X mechanisms.
Beacon command for locating the adapter card
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
Features
Description
LED Behavior
Blinks until the error
is fixed
Blinks until the error
is fixed
with the maximum
with less than the
17