Intel Desktop Board DZ68BC Technical Product Specification
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1.6 Intel
®
Z68 Express Chipset
The Intel Z68 Express Chipset consisting of the Intel Z68 Platform Controller Hub
(PCH) provides interfaces to the processor and the USB, SATA, LAN, PCI, and PCIe
interfaces. The PCH is a centralized controller for the board’s I/O paths.
For information about Refer to
The Intel Z68 Express Chipset http://www.intel.com/products/desktop/chipsets/index.htm
Resources used by the chipset Chapter 2
1.6.1 USB
The board supports up to 14 USB 2.0 ports and four USB 3.0 ports.
The Intel Z68 Express Chipset provides the USB controller for the 2.0 ports. The four
USB 3.0 ports are provided by an NEC* controller. The port arrangement is as follows:
• Four USB 3.0 ports:
Two ports are implemented with stacked back panel connectors (blue)
Two ports are implemented through one dual-port internal connector
• Fourteen USB 2.0 ports:
Six ports are implemented with stacked back panel connectors (4 black and
2 yellow high current charging ports)
Eight front panel ports are implemented through four dual-port internal headers
All 18 USB ports are high-speed, full-speed, and low-speed capable. The USB 3.0 ports
are super-speed capable.
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 11, page 50
The location of the front panel USB headers Figure 12, page 51
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