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I/O switch wiring

post #1 of 4
Thread Starter 
Quick question--

Can anyone explain the wiring of the PWR switch? The pin configuration is something I'm not familiar with. I'm assuming the position of the yellows determines if the switch is normally open or closed? 3, 4 being normally closed?

I'm a electrical noob so I'm trying to learn a bit more.
post #2 of 4
Most PWR switches are normally open. If you are using just a regular mechanical switch polarity doesn't matter. Though if you are trying to do something more complex like a capacitive touch switch. you will have to figure out the polarity, all you have to do is use a rectifier diode and touch the two PWR switch pins with the leads of the diode if it does not turn on the flip the diode around. Most if not all PWR switches have one pin tied to the ground or 0v rail and the other pin is a sensor so an NPN type transistor would work for controlling the power switch.
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Sandy Thunder
(18 items)
 
QuickSilver X1
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7-3930k C1 4.6GHz @1.344v Sabertooth X79 2x EVGA GTX 560 Ti SC SLI 900/2106 Dominator 1866 16GB 9-10-9-27 
Hard DriveHard DriveCoolingOS
Crucial M4 64GB 'Cuda 320GB XSPC Rasa 750 RX240 push/pull + Alphacool UT60 ... Win 7 Pro x64 
MonitorMonitorMonitorKeyboard
Asus VE198D 19" Samsung 920NW 19" Samsung 906BW 19" Logitech G510s 
PowerCaseMouseMouse Pad
Corsair HX850M Carbide 400R Cyborg M.M.O. 7 Corsair MM200 
AudioOther
Bose Music Monitor Nuforce Icon HDP 
CPUMotherboardGraphicsRAM
Phenom II x6 1090T BE Sabertooth 990FX Radeon HD 5770 1GB Corsair Veangence Blue 
Hard DriveOptical DriveCoolingOS
WD Caviar Black 1TB  Lite ON 16x DVD-R/RW ThermalRight Silver Arrow Windows 7 Professional 64 bit 
MonitorKeyboardPowerCase
Syncmaster 921BW 19" & Syncmaster 965 19" and S... Apple aluminum wired keyboard Corsair TX650 Silverstone TJ05 with window and thermal contro... 
MouseMouse PadAudio
logitech mx air None Monsoon MM-700 
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post #3 of 4
Are you talking about an actual line-voltage power switch? I've never seen a MOBO power switch with more than 2 terminals.
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APU what?
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post #4 of 4
Thread Starter 
Quote:
Originally Posted by Cavi Mike View Post
Are you talking about an actual line-voltage power switch? I've never seen a MOBO power switch with more than 2 terminals.
no, was talking about the front panel switches

DSP1 check your pm's
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