Intel® Server Board S2600CO Family TPS Functional Architecture Overview
Revision 1.0 35
Intel order number G42278-002
3.3.2 Universal Serial Bus (USB) Controller
The chipset has two Enhanced Host Controller Interface (EHCI) host controllers that support
USB high-speed signaling. High-speed USB 2.0 allows data transfers up to 480 Mb/s which is
40 times faster than full-speed USB. The server board utilizes ten USB 2.0 ports from the
chipset. All ports are high-speed, full- speed, and low-speed capable.
Four external USB ports are provided in a stacked housing located on the rear I/O
section of the server board.
Two USB ports are routed to an internal 10-pin connector that can be cabled for front
panel support.
One internal Type ‘A’ USB port.
One eUSB connector intended for use with an optional eUSB SSD device.
Two USB ports are routed to the IBMC.
3.3.2.1 eUSB SSD Support
The server board provides support for a low profile eUSB SSD storage device. A 2mm 2x5-pin
connector labeled “eUSB SSD” is used to plug this small flash storage device into.
3.3.3 On-board Serial Attached SCSI (SAS)/Serial ATA (SATA)/RAID Support and
Options
The Intel
®
C600-A chipset provides storage support by two integrated controllers: Advanced
Host Controller Interface (AHCI) and SCU. By default the server board will support up to 6
SATA ports: Two single 6Gb/sec SATA ports routed from the AHCI controller to the two white
SATA connectors labeled “SATA_0” and “SATA_1”, and four 3Gb/sec SATA ports routed from
the SCU to the blue SATA/SAS port connectors labeled “SATA/SAS_0”, “SATA/SAS_1”,
“SATA/SAS_2”, “SATA/SAS_3”.
AHCI SATA_0 port also supports high profile, vertical SATA DOM header with onboard power.
Note: The connectors labeled “SATA/SAS_4” to “SATA/SAT_7” is NOT functional by default
and is only enabled with the addition of an Intel
®
RAID C600 Upgrade Key option supporting 8
SATA/SAS ports.
The server board is capable of supporting additional chipset embedded SAS, SATA, and RAID
options from the SCU controller when configured with one of several available Intel
®
RAID C600
Upgrade Keys. Upgrade keys install onto a 4-pin connector on the server board labeled
“STRO_UPG_KEY”.
Figure 16. Intel
®
RAID C600 Upgrade Key Connector
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