Intel S5500HCVR Datasheet Page 60

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Functional Architecture Intel® Server Boards S5520HC and S5500HCV TPS
Revision 1.2
Intel order number E39529-009
46
3.6 Intel
®
SAS Entry RAID Module AXX4SASMOD (Optional
Accessory)
The Intel
®
Server Boards S5520HC and S5500HCV provide a Serial Attached SCSI (SAS)
module slot (J2J1) for the installation of an optional Intel
®
SAS Entry RAID Module
AXX4SASMOD. Once the optional Intel
®
SAS Entry RAID Module AXX4SASMOD is detected,
the x4 PCI Express* links from the ICH10R to Slot 2 (x8 mechanically, x4 electrically) switches
to the SAS module slot.
The Intel
®
SAS Entry RAID Module AXX4SASMOD includes a SAS1064e controller that
supports x4 PCI Express* link widths and is a single-function PCI Express* end-point device.
The SAS controller supports the SAS protocol as described in the Serial Attached SCSI
Standard, version 1.0, and also supports SAS 1.1 features. A 32-bit external memory bus off the
SAS1064e controller provides an interface for Flash ROM and NVSRAM (Non-volatile Static
Random Access Memory) devices.
The Intel
®
SAS Entry RAID Module AXX4SASMOD provides four SAS connectors that support
up to four hard drives with a non-expander backplane or up to eight hard drives with an
expander backplane.
The Intel
®
SAS Entry RAID Module AXX4SASMOD also provides a SGPIO (Serial General
Purpose Input / Output) connector and a SCSI Enclosure Services (SES) connector for
backplane drive LED control.
Warning!: Either the SGPIO or the SES connector supports backplane drive LED control. Do
not connect both SGPIO and SES connectors at the same time.
Figure 18. Intel
®
SAS Entry RAID Module AXX4SASMOD Component and Connector Layout
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