Intel® Storage Expander RES3TV360 Hardware User’s Guide
3
3
About Your Storage Expander
This section provides an overview of the features of your Storage Expander.
3.1
Standard Storage Expander Features
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Support for both SAS and SATA devices
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12 Gb/s, 6 Gb/s, 3 Gb/s, or 1.5 Gb/s data transfer rate
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Nine SFF-8643 mini-SAS-HD internal connectors providing 36 SAS/SATA ports
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Supports 8 inputs and 28 outputs configuration
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Output mini-SAS connectors support sideband SGPIO per the SFF-8485 specification
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Power from an RA 4-pin power connector
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Onboard screw holds allow the expander card to be mounted on a chassis wall inside a server system
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Provides a low-latency connection to create and maintain transparent access to each connected SAS/SATA
physical drive
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Staggered spin-up
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Native Command Queuing
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Allows multiple initiators to address a single target
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Supports cascaded expander products
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Each port on the expander card supports SAS devices, SATA II devices, or both using SSP, SMP, and STP
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Serial SCSI Protocol (SSP) to enable communication with other SAS devices
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Serial Management Protocol (SMP) to share topology management information with expanders
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Serial Tunneling Protocol (STP) support for SATA II through expander interfaces
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SAS protocol, described in the Serial Attached SCSI (SAS) Standard, version 2.0
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SFF-8485 protocol, using the Serial GPIO (SGPIO) interface provided by the expander
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Enclosure Management
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Onboard temperature sensor
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SGPIO
3.2
Major Components
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36-port 12 Gb/s SAS-3 Expander Chip
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Provides 36 PHYs
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Any PHYs may be combined into wide port(s)
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Any output PHY can be SAS or SATA attached
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Supports multiple data rates and auto-negotiation between the following:
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3..0 Gb/s, 6.0 Gb/s, and 12.0 Gb/s SAS
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3.0 Gb/s and 6.0 Gb/s SATA
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Supports SSP, STP, and SMP
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Supports the SAS protocol described in the Serial Attached SCSI (SAS) Standard, version 3.0r5
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Activity and fault indicators per PHY
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Provides a low-latency connection router to efficiently create and maintain connections
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Supports T10-Based and Phy-Based Zoning for storage partitioning
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Allows any number of Phys to be included in a wide port
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Flash ROM – A 128-Mbit Quad SPI flash ROM is used to accommodate expander card firmware.
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Heartbeat LED – A green LED provides a heartbeat with a 1-second blink rate to indicate the expander has booted
properly.
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SAS connectors – The RES3TV360 RAID Expander provides internal SAS connectors as shown in
section.
