User manual

ASUS B85M-E
1-13
1.7.2 Internal connectors
1. 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.
B85M-E
B85M-E Parallel Port Connector
LPT
PIN 1
SLCT PE BUSY ACK# PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0 STB#
GND GND GND GND GND GND GND GND
SLIN#
INIT#
ERR#
AFD
• WerecommendthatyouuseanATX12VSpecication2.0-compliantpowersupply
unit(PSU)withaminimumof300Wpowerrating.ThisPSUtypehas24-pinand4-pin
power plugs.
• DONOTforgettoconnectthe4-pinATX+12Vpowerplug.Otherwise,thesystemwill
not boot up.
• WerecommendthatyouuseaPSUwithhigherpoweroutputwhenconguringa
systemwithmorepower-consumingdevicesorwhenyouintendtoinstalladditional
devices.Thesystemmaybecomeunstableormaynotbootupifthepoweris
inadequate.
• Ifyouareuncertainabouttheminimumpowersupplyrequirementforyoursystem,
refertotheRecommendedPowerSupplyWattageCalculatorathttp://support.asus.
com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.
2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
TheseconnectorsareforATXpowersupplyplugs.Thepowersupplyplugsare
designedtottheseconnectorsinonlyoneorientation.Findtheproperorientationand
pushdownrmlyuntiltheconnectorscompletelyt.
B85M-E
B85M-E ATX power connectors
EATXPWR
PIN 1
GND
+5 Volts
+5 Volts
+5 Volts
-5 Volts
GND
GND
GND
PSON#
GND
-12 Volts
+3 Volts
+3 Volts
+12 Volts
+12 Volts
+5V Standby
Power OK
GND
+5 Volts
GND
+5 Volts
GND
+3 Volts
+3 Volts
ATX12V
PIN 1
+12V DC +12V DC
GND GND