Voltage
3.3 V, 12 V.
Form factor
Short, with full-height tailstock
Attributes provided
Single and dual-port options available
Low latency RDMA over Converged Ethernet
Connectivity to up to 4 independent hosts (specific OPNs)
Hardware-based I/O virtualization
Operating system or partition requirements
If you are installing a new feature, ensure that you have the software that is required to support the new
feature and that you determine whether any prerequisites must be met for this feature and attaching
devices. To check for operating system and partition requirements, see one of the following links:
• The latest version of enabling libraries and utilities can be downloaded from Fix Central (http://
www.ibm.com/support/fixcentral/).
• IBM Prerequisite website (www14.software.ibm.com/support/customercare/iprt/home).
• IBM SSIC (System Storage Interoperation Center) (http://www-03.ibm.com/systems/support/storage/
ssic/interoperability.wss).
• The latest version of the device driver or the IBM Power RAID adapter utilities (iprutils) can be
downloaded from the IBM Service and Productivity Tools website (http://www14.software.ibm.com/
webapp/set2/sas/f/lopdiags/home.html).
• For more information, see the Linux Alert website (www14.software.ibm.com/webapp/set2/sas/f/
lopdiags/info/LinuxAlerts.html).
Important: For a list of known Linux operating system issues that may affect this adapter, see the IBM
Power LC readme (https://ibm.biz/BdrgTZ).
Mellanox MCX556A-EDAT ConnectX-5 VPI EDR InfiniBand 100 Gb/s and 100 GbE Dual-port QSFP28
PCIe4.0 x16 LP (FC EKAY)
Learn about the specifications and operating system requirements for the feature code (FC) EKAY adapter.
Overview
The Mellanox MCX556A-EDAT ConnectX-5 VPI EDR InfiniBand 100 Gb/s and 100 GbE Dual-port QSFP28
PCIe4.0 x16 LP Adapter is a PCI Express (PCIe) generation 4 (Gen3) x16 adapter. The adapter can be
used in either a x8 or x16 PCIe slot in the system. The adapter delivers high bandwidth, low latency, and
high computation efficiency for high performance, data intensive and scalable compute and storage
platforms.
Installing and configuring your system and system features 65
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