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ASUS TUSL2-M User’s Manual 41
3. HARDWARE SETUP
Connectors
3. H/W SETUP
16) ATX Power Supply Connector (20-pin block ATXPWR)
This connector connects to an ATX power supply. The plug from the power supply
will only insert in one orientation because of the different hole sizes. Find the
proper orientation and push down firmly making sure that the pins are aligned.
IMPORTANT: Make sure that your ATX power supply (minimum recommended
wattage: 200 watts; 235W for a fully-configured system) can supply at least 20
amperes on the +5-volt lead and at least 10mA (750mA recommended) on the +5-
volt standby lead (+5VSB). Your system may become unstable/unreliable and may
experience difficulty in powering up if your power supply is inadequate. For Wake-
On-LAN support, your ATX power supply must supply at least 750mA +5VSB.
TUSL2-M
®
TUSL2-M ATX Power Connector
+3.3 Volts
-12.0 Volts
Ground
Power Supply On
Ground
Ground
Ground
-5.0 Volts
+5.0 Volts
+5.0 Volts
Power Good
+12.0 Volts
+3.3 Volts
+3.3 Volts
Ground
+5.0 Volts
Ground
+5.0 Volts
Ground
+5V Standby
17) Smart Card Reader Connector (14-1 pin SMART CARD) (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.
TUSL2-M
®
TUSL2-M Smartcard
SMARTCARD
NC
SCRFET#
NC
NC
NC2
VCC
GND
SCRUI
SCRRES#
NC
SCRCLK
1
NC
SCRREST