Dolphin MXH930 Manuel de l'utilisateur - Page 10

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NTB Use Cases Summary and DIP Settings
The MXH930 card may be used in the following NTB use cases. Please contact Dolphin if you have other requirements for BAR size.
Use
Description
case
A
Two node NTB configuration. Both
systems have MXH930 installed.
Three node NTB configuration. All systems
B
have a MXH930 installed
C
Five node NTB configuration. All systems
have a MXH930 installed
Multi node with MXS924 switch (same DIP
D
switch setting as use casa A)
Use Case A - 2 Node Configuration – NTB Mode
Each node has a MXH930 adapter and a direct x4, x8 or x16 cable connection to the other system. This configuration is fully
supported by all Dolphin software, from version DIS 5.17.0 and newer. Both MXH930 adapter cards operate in NTB mode. Dip
switches should be set as specified in Table 3: DIP Switch settings on page 9.

Connecting the cables for 2 Node Configurations, x16 link

To establish an x16 link, a given port number should be connected to the same port number on the other card.
Table 5: Required x16 cabling. Always connect a cable
from Port #x to Port #x
Port,
Host
A
P1
P2
P3
P4
A failure connecting any of the cables will cause the link
to re-train to x8 or x4.
MXH930 User's Guide – Dolphin Interconnect Solutions
BAR SIZE
256 Megabytes
32 Gigabytes
256 Megabytes
32 Gigabytes
256 Megabytes
32 Gigabytes
256 Megabytes
32 Gigabytes
Table 4: Use Case DIP switch settings
Port,
Host
B
P1
P2
P3
P4
DIP switch setting
Opt4: ON
Opt4: ON
Opt1: ON
Will be supported in upcoming
firmware release
Will be supported in upcoming
firmware release
Will be supported in upcoming
firmware release
Will be supported in upcoming
firmware release
Opt4: ON
Opt4: ON
Opt1: ON
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