Asus P3V4X P3V4X User Manual - Page 39

ASUS P3V4X User's Manual, ATX Power Supply Connector 20-pin ATXPWR, Chassis Intrusion Alarm Lead

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3. HARDWARE SETUP 15. ATX Power Supply Connector (20-pin 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 but gently making sure that the pins are aligned. +3.3 Volts +3.3 Volts -12.0 Volts +3.3 Volts Ground Ground Power Supply On +5.0 Volts P3V4X Ground Ground R Ground +5.0 Volts Ground Ground -5.0 Volts Power Goo +5.0 Volts +5V Standb +5.0 Volts +12.0 Volts P3V4X ATX Power Connector IMPORTANT: Make sure that your ATX power supply can supply at least 10mA on the 5-volt standby lead (5VSB). You may experience difficulty in powering on your system if your power supply cannot support the load. For Wake-OnLAN support, your ATX power supply must supply at least 720mA +5VSB. 16. Chassis Intrusion Alarm Lead (optional) (4-1 pin CHASSIS) This requires an external detection mechanism such as a chassis intrusion monitor/sensor or microswitch. The sensor is triggered when a high level signal is sent to the Chassis Signal lead, which occurs when a panel switch or light detector is triggered. This function requires the optional CIDB chassis sensor module to be installed. NOTE: When the chassis is opened, connect/short the Chassis Signal pin to the +5VSB pin. When the chassis is closed, connect/short the Chassis Signal pin to the Ground pin. +5VSB Chassis Signal GND 3. H/W SETUP Connectors P3V4X R CHASSIS P3V4X Chassis Intrusion Alarm Lead ASUS P3V4X User's Manual 39

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ASUS P3V4X User’s Manual
39
3. HARDWARE SETUP
Connectors
3. H/W SETUP
15. ATX Power Supply Connector (20-pin 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 but gently making sure that
the pins are aligned.
P3V4X
P3V4X 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 Goo
+12.0 Volts
+3.3 Volts
+3.3 Volts
Ground
+5.0 Volts
Ground
+5.0 Volts
Ground
+5V Standb
IMPORTANT:
Make sure that your ATX power supply can supply at least 10mA
on the 5-volt standby lead (5VSB). You may experience difficulty in powering
on your system if your power supply cannot support the load. For Wake-On-
LAN support, your ATX power supply must supply at least 720mA +5VSB.
16. Chassis Intrusion Alarm Lead (optional) (4-1 pin CHASSIS)
This requires an external detection mechanism such as a chassis intrusion moni-
tor/sensor or microswitch. The sensor is triggered when a high level signal is
sent to the Chassis Signal lead, which occurs when a panel switch or light detec-
tor is triggered. This function requires the optional CIDB chassis sensor module
to be installed.
NOTE:
When the chassis is opened, connect/short the Chassis Signal pin to the
+5VSB pin. When the chassis is closed, connect/short the Chassis Signal pin to
the Ground pin.
P3V4X Chassis Intrusion Alarm Lead
+5VSB
Chassis Signal
GND
CHASSIS
P3V4X