MXH832 User’s Guide –
Dolphin Interconnect Solutions
Page 4
S
ERVICE
P
ROCEDURE
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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 USE OF DOLPHIN’S
PRODUCTS, SOFTWARE OR SERVICE PROVIDED. DOLPH
IN’S MAXIMUM LIABILITY WILL NOT EXCEED THE TOTAL AMOUNT PAID FOR
THE PRODUCT BY THE PURCHASER.
PCI Express External Cabling specification 3.0 is as of the release of MXH832 not completed and ratified by the PCI-SIG. The
MXH832 is designed to the new specification, but Dolphin cannot guarantee the card will be compliant to the final 1.0 version.
Dolphin firmware tools can update the CMI implementation.
LIFE SUPPORT POLICY
DOLPHIN INTERCONNECT SOLUTIONS’ PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPO
NENTS 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.
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.
CMI Controller
Microcontroller on the MXH832 used to manage and implement the CMI communications.
eXpressWare
Dolphins software stack for PCIe clustering and IO. Please visit
www.dolphinics.com
for more information.
Host mode
The card is installed in a root complex / Host PC.
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 cable without CMI support.
PCIe 3.0 cable
Cable compliant to the preliminary PCI-SIG External Cabling Specification 3.0. Support for CMI.
Port
PCIe Cable port. The MXH832 has four x4 ports, named P1, P2, P3, P4. These ports can be merged to two x8
ports, or one x16 port. The physical ports are identified by text on the PCIe brackets.
Target mode
The card is installed in an expansion chassis
Wake
A mechanism used by a downstream device to request the reapplication of main power when in the L2 Link
state.
