Intel D845HV Product Specification - Page 26

USB Configuration for Boards with the SMSC LPC47M142 I/O Controller, 8.2.2, USB Configuration

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Intel Desktop Board D845HV/D845WN Technical Product Specification 1.8.2.1 USB Configuration for Boards with the SMSC LPC47M142 I/O Controller The D845HV/D845WN boards support up to seven USB ports, as shown in Figure 5. The ICH2 provides three external ports: two ports are implemented with stacked back panel connectors and the other port is accessible through a CNR add-in card. The SMSC LPC47M142 I/O controller provides four external ports: two ports implemented with stacked back panel connectors and two ports routed to the front panel USB connector. For more than seven USB devices, an external hub can be connected to any of the ports. 82801BA I/O Controller Hub (ICH2) USB SMSC LPC47M142 LPC Bus I/O Controller USB USB USB ports (2) Back panel USB connectors adjacent to the audio connectors CNR connector USB port accessible through a USB connector on an optional CNR add-in card USB ports (2) Back panel USB connectors adjacent to the PS/2 connectors USB ports (2) Front panel USB connector OM12388 Figure 5. USB Port Configuration for Boards with the SMSC LPC47M142 I/O Controller For information about The location of the USB connectors on the back panel The signal names of the back panel USB connectors The location of the front panel USB connector The signal names of the front panel USB connector The USB specification and UHCI Refer to Figure 10, page 52 Table 19, page 53 Figure 15, page 68 Table 43, page 69 Section 1.5, page 18 1.8.2.2 USB Configuration for Boards with the SMSC LPC47M132 I/O Controller D845HV boards equipped with the optional SMSC LPC47M132 I/O controller support up to four USB ports, as shown in Figure 6. The ICH2 provides four external ports: two ports are implemented with stacked back panel connectors and two are accessible through the front panel USB connector. For more than four USB devices, an external hub can be connected to any of the ports. 26

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Intel Desktop Board D845HV/D845WN Technical Product Specification
26
1.8.2.1
USB Configuration for Boards with the SMSC LPC47M142 I/O Controller
The D845HV/D845WN boards support up to seven USB ports, as shown in Figure 5.
The ICH2
provides three external ports:
two ports are implemented with stacked back panel connectors and
the other port is accessible through a CNR add-in card.
The SMSC LPC47M142 I/O controller
provides four external ports:
two ports implemented with stacked back panel connectors and two
ports routed to the front panel USB connector.
For more than seven USB devices, an external hub can be connected to any of the ports.
OM12388
82801BA
I/O Controller Hub
(ICH2)
USB ports (2)
CNR connector
USB
Back panel USB connectors
adjacent to the audio connectors
SMSC LPC47M142
LPC Bus
I/O Controller
USB ports (2)
USB ports (2)
USB
Back panel USB connectors
adjacent to the PS/2 connectors
Front panel USB connector
USB
USB port accessible through a USB
connector on an optional CNR add-in card
Figure 5.
USB Port Configuration for Boards with the SMSC LPC47M142 I/O Controller
For information about
Refer to
The location of the USB connectors on the back panel
Figure 10, page 52
The signal names of the back panel USB connectors
Table 19, page 53
The location of the front panel USB connector
Figure 15, page 68
The signal names of the front panel USB connector
Table 43, page 69
The USB specification and UHCI
Section 1.5, page 18
1.8.2.2
USB Configuration for Boards with the SMSC LPC47M132 I/O Controller
D845HV boards equipped with the optional SMSC LPC47M132 I/O controller support up to four
USB ports, as shown in Figure 6.
The ICH2 provides four external ports:
two ports are
implemented with stacked back panel connectors and two are accessible through the front panel
USB connector.
For more than four USB devices, an external hub can be connected to any of the ports.