Notes:
1.
Please make sure that the USB cable has the same pin assignment as indi-
cated above. A different pin assignment may cause damage or system hang-
up.
2.
P4X333 NB + VT8233ACE SB does not support the USB 2.0. Therefore, if
your mainboard incorporates P4X333 NB + VT8233A(CE), the USB1/USB2
header will not exist on the mainboard.
WOL1: Wake On LAN
If you have installed a LAN card, use the cable provided with the card to plug
into the mainboard WOL1 connector. This enables the Wake On LAN (WOL)
feature. When your system is in a power-saving mode, any LAN signal auto-
matically resumes the system. You must enable this item using the Power
Management page of the Setup Utility.
Pin
Signal Name
Function
1
5VSB
+5V stand by power
2 GND
Ground
3
Ring#
Wake up signal (high active)
WOM1: Wake On Modem
If you have installed a modem, use the cable provided with the modem to plug
into the mainboard WOM1 connector. This enables the Wake On Modem
(WOM1 feature. When your system is in a power-saving mode, any modem
signal automatically resumes the system. You must enable this item using the
Power Management page of the Setup Utility. See Chapter 3 for more
information.
Pin
Signal Name
Function
1
5VSB
+5V stand by power
2 GND
Ground
3
Ring#
Wake up signal (low active)
SIR1: Serial infrared port
The mainboard supports an Infrared (IR1) data port. Infrared ports allow the
wireless exchange of information between your computer and similarly
equipped devices such as printers, laptops, Personal Digital Assistants
(PDAs), and other computers.
Pin
Signal Name
Function
1 Not
assigned
Not
assigned
2 KEY
No
pin
3 +5V
IR
Power
4 GND
Ground
5 IRTX
IrDA
serial
output
6 IRRX
IrDA
serial
input
21