Premio Computer Apollo/Shadowhawk - Manual (Page 49)

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 54
The signal names of the back panel USB connectors Table 19, page 55
The location of the front panel USB connector Figure 15, page 70
The signal names of the front panel USB connector Table 43, page 71
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.