Intel DH77KC Technical Product Specification - Page 25

SATA Interfaces - raid

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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 eight USB 2.0 ports and four USB 3.0 ports. The Intel H77 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 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 9, page 44 Figure 10, page 45 1.5.4 SATA Interfaces The board provides six SATA connectors, through the PCH, which support one device each: • Two SATA 6.0 Gb/s interfaces through the Intel H77 Express Chipset with Intel® Rapid Storage Technology RAID support (blue) • Two internal Serial ATA (SATA) 3.0 Gb/s interfaces through the Intel H77 Express Chipset with Intel Rapid Storage Technology RAID support (black) • One internal SATA connector (multiplexed with the mSATA port, routed to the PCI Express Full-/Half-Mini Card slot) (gray) Note: Only one of the multiplexed connectors may be used at anytime; the other will be disabled. • One back panel eSATA port (red) The PCH provides independent SATA ports with a theoretical maximum transfer rate of 6.0 Gb/s for two ports and 3.0 Gb/s for four ports. A point-to-point interface is used for host to device connections. 25

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Product Description
25
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 eight USB 2.0 ports and four USB 3.0 ports.
The Intel H77 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
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 9, page 44
The location of the front panel USB headers
Figure 10, page 45
1.5.4
SATA Interfaces
The board provides six SATA connectors, through the PCH, which support one device
each:
•
Two SATA 6.0 Gb/s interfaces through the Intel H77 Express Chipset with Intel
®
Rapid Storage Technology RAID support (blue)
•
Two internal Serial ATA (SATA) 3.0 Gb/s interfaces through the Intel H77 Express
Chipset with Intel Rapid Storage Technology RAID support (black)
•
One internal SATA connector (multiplexed with the mSATA port, routed to the PCI
Express Full-/Half-Mini Card slot) (gray)
Note:
Only one of the multiplexed connectors may be used at anytime; the other
will be disabled.
•
One back panel eSATA port (red)
The PCH provides independent SATA ports with a theoretical maximum transfer rate of
6.0 Gb/s for two ports and 3.0 Gb/s for four ports.
A point-to-point interface is used
for host to device connections.