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Intel Desktop Board DH57JG Technical Product Specification
For information about
PCI Express technology
Mini-ITX chassis compatibility list
1.8
USB
The board supports up to twelve USB 2.0 ports through two EHCI host controllers on
the PCH that allow the use of EHCI-compatible drivers.
The port arrangement is as follows:
•
Six ports are implemented with stacked back panel connectors
•
Six front panel ports are implemented with three dual-port internal headers
For information about
The location of the USB connectors on the back panel
The location of the front panel USB headers
1.9
SATA Interfaces
The board provides four internal SATA connectors (black) and one external SATA
connector through the PCH, which support one device per connector.
The PCH provides independent SATA ports with a theoretical maximum transfer rate of
3 Gb/s per port. A point-to-point interface is used for host to device connections,
unlike Parallel ATA (PATA) IDE which supports a master/slave configuration and two
devices per channel.
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 the Windows* XP, Windows Vista*, and Windows 7* operating
systems.
For more information, see: http://www.serialata.org/.
For information about
The location of the SATA connectors
20
Refer to
http://www.pcisig.com
http://www.intel.com/go/
miniitx
Refer to
Figure 9, page 40
Figure 10, page 41
Refer to
Figure 10, page 41
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