Intel ® X79 Express Chipset; Usb; Sata Interfaces - Intel DX79TO Specification

®
1.6 Intel
The Intel X79 Express Chipset consisting of the Intel X79 Platform Controller Hub
(PCH) provides interfaces to the processor and the USB, SATA, LAN, PCI, and PCI
Express interfaces. The PCH is a centralized controller for the board's I/O paths.
For information about
The Intel X79 Express Chipset
Resources used by the chipset
1.6.1

USB

The board supports up to 14 USB 2.0 ports and two USB 3.0 ports.
The Intel X79 Express Chipset provides the USB controller for the 2.0 ports. The two
USB 3.0 ports are provided by an NEC* UPD720200 controller. The port arrangement
is as follows:
• Two USB 3.0 ports are implemented with stacked back panel connectors (blue)
Six USB 2.0 ports are implemented with stacked back panel connectors (black)
•
Eight USB 2.0 front panel ports implemented through four internal headers
•
All 16 USB ports are high-speed, full-speed, and low-speed capable. The USB 3.0 ports
are super-speed capable.
NOTES
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
1.6.2

SATA Interfaces

The board provides six SATA connectors through the PCH which support one device per
connector:
Two internal SATA 6.0 Gb/s connectors (blue)
•
• Four internal SATA 3.0 Gb/s connectors (black)
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.
X79 Express Chipset
Refer to
http://www.intel.com/products/desktop/chipsets/index.htm
Chapter 2
Product Description
Refer to
Figure 10, page 44
Figure 12, page 46
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