Intel Desktop Board DH61HO Technical Product Specification
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1.7 USB
The board supports up to eight USB 2.0 ports. The port arrangement is as follows:
• Four USB 2.0 ports are implemented with stacked back panel connectors
• Four USB 2.0 front panel ports are implemented through two dual-port internal
headers
All eight USB ports are high-speed, full-speed, and low-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 8, page 38
The location of the front panel USB header Figure 9, page 39
1.8 SATA Interfaces
The board provides two 3.0 Gb/s SATA connectors, which support one device per
connector.
The underlying SATA functionality is transparent to the operating system. The SATA
controller can operate in both legacy and native modes. In legacy mode, standard IDE
I/O and IRQ resources are assigned (IRQ 14 and 15). In Native mode, standard bus
resource steering is used. Native mode is the preferred mode for configurations using
the Windows* XP, Windows Vista*, and Windows 7 operating systems.
For more information, see: http://www.serialata.org/.
For information about Refer to
The location of the SATA connectors Figure 9, page 39
1.9 Legacy I/O Controller
The Legacy I/O Controller provides the following features:
• One serial port header
• PS/2-style keyboard/mouse interfaces on the back panel
• Serial IRQ interface compatible with serialized IRQ support for PCI bus systems
• Intelligent power management, including a programmable wake-up event interface
• PCI bus power management support
The BIOS Setup program provides configuration options for the Legacy I/O controller.
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