MXS924 Users Guide
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Dolphin Interconnect Solutions
Page 8
NTB Configuration examples
The MXS924 switch can be used as a standalone PCI Express switch, or several switches can be cascaded to build larger
PCIe expansion systems or PCIe fabrics. It can be combined with compliant PCIe cards available from Dolphin or compliant
customer designs. Some examples can be found below. Please consult the chapter Configuring the MXS924 switch on page
18 for more details.
NOTE: Please consult the eXpressWare Release Note for information on supported topologies and configurations for
each software release.
NOTE: Please note that the Dolphin eXpressWare currently does not support mixing MXHxxx and PXHxxx cards in a
single cluster.
6 node PCIe x16 Gen4 NTB Cluster
Each node has a Dolphin Express MXH930, MXH830, PXH830 or
PXH820 adapter. Up to six systems can be connected to the
Dolphin MXS924 switch using the default firmware configuration.
All nodes connect directly to the switch using up to four x4 cables
(x16 link). This is the switch default configuration.
12 node PCIe x8 Gen4 NTB Cluster
Each node has a Dolphin Express MXH930, MXH830, PXH830 or
PXH820 adapter. Up to twelve systems can be connected to the
Dolphin MXS924 switch. All nodes connect directly to the switch
using up to two x4 cables (x8 link).
24 node PCIe xx Gen4 NTB Cluster
Each node has a Dolphin Express MXH930, MXH830, PXH830 or PXH820 adapter. Up to twenty-four systems can be
connected to the Dolphin MXS924 switch. All nodes connect directly to the switch using a single x4 cables (x4 link).
Figure 1: 6 Node PCIe x16 Cluster
Figure 2: 12 Node PCIe x8 Cluster
