Intel DB75EN Technical Product Specification - Page 23

SATA Interfaces - front panel

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Product Description 1.5.3 USB The PCH contains up to 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. All ports are high-speed, full-speed, and low-speed capable. The PCH also contains an integrated eXtensible Host Controller Interface (xHCI) host controller which supports USB 3.0 ports. This controller allows data transfers up to 5 Gb/s. The controller supports SuperSpeed (SS), high-speed (HS), full-speed (FS), and low-speed (LS) traffic on the bus. The board supports up to four USB 3.0 ports and eight USB 2.0 ports. The Intel B75 Express Chipset provides the USB controller for the 2.0/3.0 ports. The port arrangement is as follows: • Two USB 3.0 ports are implemented with stacked back panel connectors (blue) • Two front panel USB 3.0 ports are implemented through one internal connector (blue) • Four USB 2.0 ports are implemented with stacked back panel connectors (black) • Four USB 2.0 front panel ports are implemented through two internal headers (black) NOTE Computer systems that have an unshielded cable attached to a USB port may not meet FCC Class B requirements, even if no device is attached to the cable. Use a shielded cable that meets the requirements for full-speed devices. For information about The location of the USB connectors on the back panel The location of the front panel USB headers Refer to Figure 10, page 44 Figure 11, page 45 1.5.4 SATA Interfaces The board provides five SATA connectors, through the PCH, which support one device each: • One SATA 6.0 Gb/s interface through the Intel B75 Express Chipset with SATA ACHI support (blue) • Three internal Serial ATA (SATA) 3.0 Gb/s interfaces through the Intel B75 Express Chipset with SATA ACHI support (black) • One internal eSATA 3.0 Gb/s interface (red) The PCH provides independent SATA ports with a theoretical maximum transfer rate of 6.0 Gb/s for one port and 3.0 Gb/s for four ports. A point-to-point interface is used for host-to-device connections. The PCH supports the Serial ATA Specification, Revision 3.0. The PCH also supports several optional sections of the Serial ATA II: Extensions to Serial ATA 1.0 Specification, Revision 1.0 (AHCI support is required for some elements). 23

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Product Description
23
1.5.3
USB
The PCH contains up to 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. All ports are high-speed, full-speed, and low-speed capable.
The PCH also contains an integrated eXtensible Host Controller Interface (xHCI) host
controller which supports USB 3.0 ports. This controller allows data transfers up to
5 Gb/s. The controller supports SuperSpeed (SS), high-speed (HS), full-speed (FS),
and low-speed (LS) traffic on the bus.
The board supports up to four USB 3.0 ports and eight USB 2.0 ports.
The Intel B75 Express Chipset provides the USB controller for the 2.0/3.0 ports.
The
port arrangement is as follows:
•
Two USB 3.0 ports are implemented with stacked back panel connectors (blue)
•
Two front panel USB 3.0 ports are implemented through one internal connector
(blue)
•
Four USB 2.0 ports are implemented with stacked back panel connectors (black)
•
Four USB 2.0 front panel ports are implemented through two internal headers
(black)
NOTE
Computer systems that have an unshielded cable attached to a USB port may not
meet FCC Class B requirements, even if no device is attached to the cable.
Use a
shielded cable that meets the requirements for full-speed devices.
For information about
Refer to
The location of the USB connectors on the back panel
Figure 10, page 44
The location of the front panel USB headers
Figure 11, page 45
1.5.4
SATA Interfaces
The board provides five SATA connectors, through the PCH, which support one device
each:
•
One SATA 6.0 Gb/s interface through the Intel B75 Express Chipset with SATA
ACHI support (blue)
•
Three internal Serial ATA (SATA) 3.0 Gb/s interfaces through the Intel B75 Express
Chipset with SATA ACHI support (black)
•
One internal eSATA 3.0 Gb/s interface (red)
The PCH provides independent SATA ports with a theoretical maximum transfer rate of
6.0 Gb/s for one port and 3.0 Gb/s for four ports.
A point-to-point interface is used for
host-to-device connections.
The PCH supports the Serial ATA Specification, Revision 3.0. The PCH also supports
several optional sections of the Serial ATA II: Extensions to Serial ATA 1.0
Specification, Revision 1.0 (AHCI support is required for some elements).