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3 pcie configuration, 4 sas configuration, Pcie configuration - 7 – Kontron AT8402 User Manual User Manual

Page 32: Sas configuration - 7, At8402 installation

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AT8402

Installation

Page 2 - 7

AT8402 User Guide

2.7.3

PCIe Configuration

Default configuration is:

• Upstream port (root complex) at PCI Express switch PEX port 8 (AMC B2)

• No Non-transparent bridge port defined

To change the upstream port (and NT-bridge port), use the following CLI command in pri-
viledged mode:

set board pcie upstream

or

set board pcie upstream nt-bridge

Where

can be

amcb1

,

amcb2

,

amcb3

,

amcb4

or

update

.

After changing the upstream/NT port, the PCIe subsystem requires a reset. This can be done
by deactivating and activating the AT8402 carrier.

For an overview of the current configuration, use the CLI boardinfo command:

(Ethernet Fabric) #show boardinfo pcie
PCIE port Setting Hot-Plug

========== ================ ========

amcb1 downstream disabled
amcb2 upstream disabled
amcb3 downstream disabled
amcb4 downstream disabled
update non-transparent disabled

Clock setting: SSC

For additional information on the system configuration, refer to the "AT8402 CLI Reference
Manual".

2.7.4

SAS Configuration

The LSISAS1064E SAS controller is pre-installed with a firmware supporting an Initiator/Target
configuration. An alternative version provides integrated RAID support.

The SASx12A edge expander has appropriate configuration data pre-installed. In this default
configuration, all AMC bays are connected to the SAS Expander (SAS Connect).

To establish a storage connection between AMC bays 1 and 3 instead (Direct AMC Connect),
use the following command:

set board storage connect amcb3 amcb1

To reset the configuration to the default settings for bays 1 and 3, use the following command:

set board storage connect amcb3 sas

To establish a storage connection between AMC bays 2 and 4, use the following command:

set board storage connect amcb4 amcb2

To reset the configuration to the default settings for bays 2 and 4, use the following command:

set board storage connect amcb4 sas