User's Manual

1-14
Chapter 1: Product introduction
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.
• 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/DASH
B85M-E/DASH Parallel port connector
LPT
PIN 1
O_LPT_SLCT_R O_LPT_PE_R O_LPT_BUSY_R O_LPT_ACK#_R O_LPT_XPD7_R O_LPT_XPD6_R O_LPT_XPD5_R O_LPT_XPD4_R O_LPT_XPD3_R O_LPT_XPD2_R O_LPT_XPD1_R O_LPT_XPD0_R O_LPT_XSTB#_R
GND GND GND GND GND GND GND GND
O_LPT_XSLIN#_R
O_LPT_XINIT#_R
O_LPT_ERROR#_R
O_LPT_XAFD#_R
B85M-E/DASH
B85M-E/DASH ATX power connectors
EATXPWR
ATX12V
PIN 1
+12V DC +12V DC
GND GND
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