DB43LD Technical Product Specification

Intel Desktop Board DB43LD Technical Product Specification
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1.6.1.6 PCI Express x16 Graphics
The GMCH supports discrete add in graphics cards via the PCI Express 2.0 x16
graphics connector:
• Supports PCI Express GEN1 frequency of 1.25 GHz resulting in 2.5 Gb/s each
direction (500 MB/s total). Maximum theoretical bandwidth on interface of 4 GB/s
in each direction simultaneously, for an aggregate of 8 GB/s when operating in x16
mode.
• Supports PCI Express GEN2 frequency of 2.5 GHz resulting in 5.0 Gb/s each
direction (1000 MB/s total). Maximum theoretical bandwidth on interface of 8 GB/s
in each direction simultaneously, for an aggregate of 16 GB/s when operating in
x16 mode.
For information about Refer to
PCI Express technology http://www.pcisig.com
1.6.2 USB
The board supports up to ten USB 2.0 ports, supports UHCI and EHCI, and uses UHCI-
and EHCI-compatible drivers.
The ICH10D provides the USB controller for all ports. The port arrangement is as
follows:
• Four ports are implemented with stacked back panel connectors
• Six ports are routed to three separate front panel USB headers
For information about Refer to
The location of the USB connectors on the back panel Figure 9, page 45
The location of the front panel USB headers Figure 10, page 46