PXH820 User’s Guide –
Dolphin Interconnect Solutions
Page 4
BMC
F
IRMWARE VERSIONS
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EEPROM
V
ERSIONS
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S
UPPORT
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DISCLAIMER
DOLPHIN INTERCONNECT SOLUTIONS RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY OF ITS
PRODUCTS TO IMPROVE RELIABILITY, FUNCTION, OR DESIGN.
TO THE FULLEST EXTENT PERMITTED BY LAW, DOLPHIN WILL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL OR
CONSEQUENTIAL DAMAGES (INCLUDING LOST PROFITS, LOST DATA, OR LOSS OF USE) ARISING OUT OF ANY US
E OF DOLPHIN’S
PRODUCTS, SOFTWARE OR SERVICE PROVIDED. DOLPHIN’S MAXIMUM LIABILITY WILL NOT EXCEED THE TOTAL AMOUNT PAID FOR
THE PRODUCT BY THE PURCHASER.
Do not use information in this guide to design your own card, always reference the original PCI-SIG or VITA Specification for details.
LIFE SUPPORT POLICY
DOLPHIN INTERCONNECT SOLUTIONS’ PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES.
ENVIRONMENTAL POLICY
Dolphin is minimizing the amount of printed documentation and software CDs in its shipments; please download additional
documentation and software from www.dolphinics.com.
Terms and Acronyms
Important terms and acronyms used in this manual
AOC
A
ctive
O
ptical
C
able. PCIe fiber cable assembly with SFF-8644 connector. Available from Dolphin, orderable part
number MSFCxxxM (where xxx is the length in meters).
CMI
C
able
M
anagement
I
nterface. The 2-wire management interface for communication between subsystems
connected by a PCIe 3.0 cable. Details can be found in the PCI-SIG External Cabling Specification 3.0. The CMI
functionality is optional with the PXH820 card.
BMC
Microcontroller on the PXH820 used to manage card functionality and CMI communications.
eXpressWare
Dolphins software stack for PCIe clustering and IO.
for more information.
Lane
One PCI Express Lane contains a differential pair for transmission and a differential pair for reception.
Link
A collection of one or more PCI Express Lanes providing the communication path between an Upstream and
Downstream Port.
MiniSAS-HD
Standard MiniSAS-HD cable with SFF-8644 connectors.
PCIe 3.0 cable
PCIe 3.0 cable with SFF-8644 connectors. Complaint to the new PCI-SIG External Cabling Specification 3.0.
Support for CMI.
Port
The PXH820 has four x4 ports, named P1, P2, P3, P4. The physical ports are identified by text on the PCIe
brackets. The PCIe switch chip only supports 2 concurrent NTB connections.
