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As my monitor is fussy and only works properly when windows has fully booted, I used this program with some extra components, to ensure complete isolation, my monitor remains powered by the computer and that the monitor turns off when I take the key out. (the schematic is a bit ghetto, made it in paint lol)
edit: The Capacitor and 200 ohm resistor are used to prevent the bios from triggering the relay or to prevent winows from rapidly tiggering the relay when booting. I did do the registry entries above and they worked for windows, but my bios still triggers the DTR line for 1 second as soon as the power button is pressed. This part of the circuit solves this problem.
parts list:
1x 4n25 0131 opto isolator
1x 1k ohm resistor
1x 200 ohm resistor
2x 1n4148 diodes
1x 1000uf 25v Capacitor
1x SPDT 12v relay
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Fox Mulder
2001 Toyota Avalon Vxi
Toshiba TE2000 Laptop 1Ghz BU-353 Black Xenarc 700TSV HD & Analogue TV FM DVD/CDRW Car2PC Adaptor
2004 Toyota MR2
Intel Dual Core 2.0Ghz 1Gb DDR2 160GB SATA2 M4ATX Lilliput 7" TS BU353
Last edited by Fox_Mulder : 04-25-2008 at 09:44 AM.
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