Intel 945Pl Chipset; Usb - Intel D945PLRN Specification

Intel Desktop Board D945PLRN Technical Product Specification
1.5 Intel 945PL Chipset
®
The Intel 945PL chipset consists of the following devices:
•
Intel 82945PL Memory Controller Hub (MCH) with Direct Media Interface (DMI) interconnect
•
Intel 82801G I/O Controller Hub (ICH7) with DMI interconnect
The MCH component provides interfaces to the CPU, memory, PCI Express, and the DMI
interconnect. The ICH7 is a centralized controller for the board's I/O paths.
For information about
The Intel 945PL chipset
Resources used by the chipset

1.5.1 USB

The board supports up to eight USB 2.0 ports, supports UHCI and EHCI, and uses UHCI- and
EHCI-compatible drivers.
The ICH7 provides the USB controller for all ports. The port arrangement is as follows:
•
Four ports are implemented with dual stacked back panel connectors adjacent to the audio
connectors
•
Four ports are routed to two separate front panel USB connectors
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 shielded cable that meets the
requirements for full-speed devices.
For information about
The location of the USB connectors on the back panel
The location of the front panel USB connectors
20
Refer to
http://developer.intel.com/
Chapter 2
Refer to
Figure 12, page 47
Figure 13, page 48