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Old 09-03-2008, 03:34 PM
gallyman
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Default smartboard 680 and 2pin laptop power


hi all

any one have any thoughts on a 680 smart board with a epson 400w short throw projector and a stone laptop with a 2 pin iec power........ when using the pen it doesnt write a complete line it has gaps in the line.......when the com is changed to different laptop with a 3 pin iec power pack it works fine ....

only happens with the epson 400w and a 2 pin power pack for com



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Old 09-05-2008, 12:38 AM
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What are the voltages (output) for both power packs/ Are they the same? I can't see where there is a cause of difference between the 2 pin and 3 pin except that the 3 pin allows for a direct ground. If that is the case then the computer using the 2 pin connector is having issues with proper grounding which could be caused by power surges.

I would be more apt at believing that the problem lies within the output power differences between the two laptops....probably the one that uses the 2 pin is lowered powered than the one using the 3 pin....

2pin = 12volts
3 pin = 19 volts.

Without the models of the two laptops it is really too difficult to give a decent responce.



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