Asus P4S333-FX - Manual (Page 46)

2-24 Chapter 2: Hardware information
10. Smart Card Reader connector (14-1 pin SMARTCON1) (optional)
This connector accommodates a Smart Card Reader that allows you to
conveniently make transactions such as financial, health care,
telephony, or traveling services through a Smart Card user interface
software. When using this connector, configure the UART2 Use As
parameter in BIOS to set UART2 for use with Smart Card. See section
“4.4.2 I/O Device Configuration” for details.
9. Digital audio connector (4-1 pin SPDIF1) (optional)
This connector connects an S/PDIF audio module that allows digital
instead of analog sound output. Connect one end of the audio cable to
the S/PDIF Out connector on the motherboard, and the other end to
the S/PDIF module.
P4S333-FX
®
P4S333-FX Smartcard
SMARTCON1
NC
SCPWR
NC RFU2
NC2 VCC GND
SCIO SCPSNT NC
SCRCLK
1
NC
SCRST
P4S333-FX
®
P4S333-FX Digital Audio Connector
+5V
SPDIFOUT
GND
SPDIF1
The S/PDIF module is not included in the motherboard package.