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Intel® I/O Expansion Modules for Intel® Platforms HWS
Dual Port FDR InfiniBand* ConnectX*-3 I/O Module
Revision 1.1
Intel order number: G30021-004
29
reduced completion time and lower cost per operation. ConnectX-3 with VPI also simplifies
system development by serving multiple fabrics with one hardware design.
6.4.2
Key Features
1μs MPI ping latency
Up to 56Gb/s InfiniBand* or 40 Gigabit Ethernet per port
PCI Express 3.0 (up to 8GT/s)
CPU offload of transport operations
Application offload
GPU communication acceleration
Precision Clock Synchronization
End-to-end QoS and congestion control
Hardware-based I/O virtualization
Dynamic power management
Fibre Channel encapsulation (FCoIB or FCoE)
Ethernet encapsulation (EoIB)
17mm X 17mm RoHS-R6
Note
: Due to PCIe3 x8 bandwidth limitation, both ports cannot run simultaneously at full speed.
6.5
Network LED Functionality
The QSFP+ port on the Dual Port FDR InfiniBand* ConnectX*-3 I/O Module will have a green
LED and an amber LED. Below is a mapping of LED color, function, and physical location with
respect to the QSFP+ connector.
Table 5. Dual Port FDR InfiniBand* ConnectX*-3 I/O Module LED Functionality
LED Color
LED State
NIC State
Amber (Right)
Off
No Activity
Blinking
Transmit / Receive Activity
Green (Left)
Off
No Active Link Connection
On
Active Link Connection