Intel Desktop Board D33217GKE Technical Product Specification
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1.6.2 USB
The board supports seven USB 2.0 ports. The port arrangement is as follows:
• Three front panel ports (via one dual-port internal header and one front panel
connector)
• Two ports are implemented with vertical back panel connectors
• One port is reserved for the PCI Express Half-Mini Card
• One port is reserved for the PCI Express Full-Mini Card
All seven USB 2.0 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.
The location of the USB connectors on the back panel Figure 9, page 38
The location of the front panel USB headers Figure 2, page 15
1.7 SATA Interface
The board provides one internal mSATA port (PCI Express Full-Mini Card connector) for
SSD support.
The PCH provides independent SATA ports with a theoretical maximum transfer rate of
6 Gb/s. A point-to-point interface is used for host to device connections.
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 PCI
Conventional bus resource steering is used. Native mode is the preferred mode for
configurations using Windows operating systems.
1.7.1 AHCI Mode
The board supports AHCI storage mode via the Intel QS77 Express Chipset.
NOTE
In order to use AHCI mode, AHCI must be enabled in the BIOS. Also, during Microsoft
Windows XP installation, F6 must be pressed to install the AHCI drivers. See your
Microsoft Windows XP documentation for more information about installing drivers
during installation. Microsoft Windows 7 includes the necessary AHCI drivers without
the need to install separate AHCI drivers during the operating system installation
process, however, it is always good practice to update the AHCI drivers to the latest
available by Intel.
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