ConnectX®-2 VPI Single and Dual Port QSFP InfiniBand and Ethernet Adapter Card User Manual
Rev 1.6
Mellanox Technologies
17
2.1.2 Ethernet Interface
The ConnectX-2 adapter card is compliant with the
IEEE Std 802.3.
The VPI adapter cards listed
above, based on this device, provide access to the Ethernet ports by means of QSFP connec-
tors.The Mellanox QSA (QSFP to SFP+) adapter modules can be ordered through Mellanox Tech-
nologies authorized dealers.
2.1.3 VPI Port Configuration
VPI ports are auto-sensing but can be manually configured using a script.
Table 6 lists the configurations supported by dual-port VPI adapter cards.
Table 6 - Supported Port Configurations
Port 1
Port 2
Ethernet
Ethernet
IB
IB
auto-sensing
auto-sensing
IB
Ethernet
IB
auto-sensing
auto-sensing
Ethernet
Table 7 lists the configurations not supported by dual-port VPI adapter cards.
Table 7 - Unsupported Port Configurations
Port 1
Port 2
Ethernet
IB
Ethernet
auto-sensing
auto-sensing
IB
For port type configuration instructions please refer to Section 4.2, “Port Type Management Via
Driver SW,” on page 36.
2.1.4 PCI Express Interface
The ConnectX®-2 adapter cards support PCI Express 2.0 (1.1 compatible) through an x8 edge
connector. The device can be either a master initiating the PCI Express bus operations or a slave
responding to PCI bus operations.