82801CA Datasheet, PDF (388/521 Pages) Intel Corporation – I/O Controller Hub 3-S (ICH3-S)

USB 1.1 Controllers Registers
11.1.17
USB_RES—USB Resume Enable Register
(USB—D29:F0/F1/F2)
Address Offset:
C4h
Default Value:
00h
Attribute:
Size:
R/W
8 bits
Bit
Description
7:2 Reserved.
PORT1EN—R/W. Enable the USB controller to respond to wakeup events on this port. For Function
2 this applies to port 1, for Function 4 this applies to port 3.
1
0 = The USB controller will not look at this port for a wakeup event.
1 = The USB controller will monitor this port for remote wakeup and connect/disconnect events.
PORT0EN—R/W. Enable the USB controller to respond to wakeup events on this port. For Function
2 this applies to port 0, for Function 4 this applies to port 2.
0
0 = The USB controller will not look at this port for a wakeup event.
1 = The USB controller will monitor this port for remote wakeup and connect/disconnect events.
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Intel^® 82801CA ICH3-S Datasheet