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PCI Express Interfaces
The PCI Express bus is a high-speed interface used to connect the Controller Card to other peripheral devices (the BMC, PCIe switch or directly to the
NVMe SSDs backplane), and operates as a Root-Complex (RC) initiating PCIe bus operations. The BlueField BF1600 Controller Card supports PCI Express Gen
3.0/4.0 (1.1 and 2.0 compatible) through the following connectors:
PCIe x16 BF1600 Controller Cards:
PCI Express Gen 3.0/4.0 through x16 edge connector
2x PCIe x16 BF1600 Controller Cards:
PCI Express Gen 3.0/4.0 through x16 edge connector
PCIe Express Gen 3.0 through two CABLINE-CA II PLUS x8 connectors - Although these connectors exist on all OPNs, they are functional on PCIe x32
cards used with an Auxiliary Connection Cards.
PCIe x16 Gen 3.0/4.0 Edge Connector
The BF1600 Controller Card supports PCI Express x16 Gen 3.0/4.0 (1.1 and 2.0 compatible) through golden fingers edge connector (separated into
Connector A and Connector B) whichserves as the main interface of the card. This connector enables the connectivity of the system to the BlueField PCIe
interface.
The following lists PCIe interface features:
PCIe Gen 4.0 and 3.0 compliant, 2.0 and 1.1 compatible
2.5, 5.0, or 8.0, or 16.0 GT/s link rate x16
Auto-negotiates to x8, x4, x2, or x1
Support for MSI/MSI-X mechanisms
PCIe Gen 3.0 through Two CABLINE-CA II PLUS Connectors
Applies to MBF1M626A-CSNAT, MBF1M656A-CSNAT and MBF1M636A-CSNAT.
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