Interfaces
Rev 1.0
Mellanox Technologies
14
•
2.5, 5.0, or 8.0GT/s link rate x8
•
Auto-negotiates to x8, x4, x2, or x1
•
Support for MSI/MSI-X mechanisms
2.3
I
2
C-compatible Interface
A three-pin header on the adapter cards is provided as the I
2
C-compatible interface. See
Figure 9,
“Mechanical Drawing of the Dual-port MCX312B-XCCT,” on page 47
for the location on the
board.
Figure 2: I
2
C-compatible Connector
2.4
LED Interface
There are two I/O LEDs per port. For LED specifications please refer to
Section 7.2, “Adapter
LED Operation,” on page 46
Mellanox Technologies Confidential