Asus M5A88-M EVO User Manual page 40

3. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for an ATX power supply. The plugs from the power supply are
designed to fit these connectors in only one orientation. Find the proper orientation and
push down firmly until the connectors completely fit.
M5A88-M EVO
M5A88-M EVO ATX power connectors
• For a fully configured system, we recommend that you use a power supply unit (PSU)
• Do not forget to connect the 4-pin ATX12 V power plug; otherwise, the system will not
• We recommend that you use a PSU with higher power output when configuring a
• If you are uncertain about the minimum power supply requirement for your system,
4. LPT connector (26-1 pin LPT)
The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT
standardizes as IEEE 1284, which is the parallel port interface on IBM PC-compatible
computers.
M5A88-M EVO
M5A88-M EVO Parallel Port Connector
1-28
that complies with ATX 12 V Specification 2.0 (or later version) and provides a minimum
power of 300 W.
boot.
system with more power-consuming devices. The system may become unstable or may
not boot up if the power is inadequate.
refer to the Recommended Power Supply Wattage Calculator at http://support.asus.
com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.
ATX12V EATXPWR
+3 Volts
+12 Volts
+12 Volts
+5V Standby
Power OK
PIN 1
GND
+5 Volts
GND
+5 Volts
GND
+3 Volts
+3 Volts
PIN 1
LPT
SLCT
GND PE
GND BUSY
GND ACK#
GND PD7
GND PD6
GND PD5
GND PD4
GND PD3
SLIN# PD2
INIT# PD1
ERR# PD0
AFD STB#
PIN 1
GND
+5 Volts
+5 Volts
+5 Volts
-5 Volts
GND
GND
GND
PSON#
GND
-12 Volts
+3 Volts
Chapter 1: Product introduction