•
EEPROM used for storing Vital Product Data (VPD)
•
Embedded InfiniRISC
™
Processors for Management & Subnet Management Agent (SMA)
•
Integrated Physical Layer SerDes
•
Integrated GSA (General Service Agents)
•
Low-Latency Communication Technology
•
Flexible Completion Mechanism Support (Completion Queue, Event, or Polled operation)
•
I/O Panel LEDs
8.7.1 LEDs
The board has two LEDs located on the I/O panel for the 4X port. The physical link (green)
illuminates once VAPI (InfiniBand Verbs API) is started and a physical connection is made
between two nodes. The data activity link (yellow) illuminates once the InfiniBand network is
discovered over the physical link. The activity link is a steady yellow when it is discovered but
no data is being passed. The activity link blinks when data is being passed. If the LEDs are not
active, either the physical or the logical (or both) connections have not been established.
LED Name
4X Port
Physical Link - Green
Port 1
Logical Link - Yellow
Installation of the Mellanox card is similar to that of the Voltaire HCAs described previously in
this chapter.
8.8 Mellanox Memory Free PCI-Express HCA (DDR)
The Mellanox Memory Free PCI-Express HCA supports InfiniBand protocols. It is double data
rate (DDR) card with one 8x InfiniBand 20 Gb/s port.
Figure 8-8
shows the Mellanox Memory
Free DDR PCI-Express HCA.
Figure 8-8 Mellanox Memory Free PCI–Express HCA (DDR)
Features of the Mellanox Mem-Free PCI-Express HCA include:
•
PCI-Express x8 version 1.0a compatible card
•
Single 4X InfiniBand port Version 1.2 compatible Host Channel Adapter
•
InfiniBand Compatible Verbs API interface for both Linux and Windows operating systems
•
4X (20 Gb/s) InfiniBand port with standard copper connector
102
Installing and Maintaining HCA Cards and Mezzanines
Summary of Contents for Cluster Platform Express v2010
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