IBM Redbooks ServeRAID-MR10i, User Manual

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1-12 Overview
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Allows addressing of multiple SATA II targets through an expander
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Allows multiple initiators to address a single target (in a fail-over
configuration) through an expander
1.6.4 PCI Express Performance
The following list describes the PCI Express performance features of the
ServeRAID-MR10i controller:
•
Provides a PCI Express interface that:
– Supports a dedicated PCI Express bus
– Supports x8 lane configuration
– Supports transfer rates of up to 2.5 Gbits/s per lane
– Complies with the PCI Express Specification , Revision 1.0a
•
Provides unequaled performance through the Fusion-MPT
architecture
•
Provides high throughput and low CPU utilization to offload the host
processor
1.6.5 Usability Features
The following list describes the usability features of the ServeRAID-
MR10i controller:
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Simplifies cabling with point-to-point, serial architecture
•
Supports smaller, thinner cables that do not restrict airflow
•
Provides drive spin-up sequencing control
•
Provides up to two LED signals for each PHY to indicate link activity
and faults
•
Provides an I
2
C interface for enclosure management
•
Supports the internal SAS Sideband signal SFF-8485 (SGPIO)
interface
1.6.6 Flexibility Features
These features increase the flexibility of the ServeRAID-MR10i controller: