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USB port power

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4 replies

by mjnash

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We are a Caterpillar dealership and use laptops in the field. The new dual-core processor PC's seem to be conserving power and turning the USB port off after 15 min. We must use this port with a converter to serial inorder to communicate with the Electronic Controll Modules. We have changed power settings already, am wondering if there is a bios setting or any other option of keeping the USB port alive?

4 replies

by older mycroft

Because I would have thought that would have been sufficient to stop them powering-down.

What operating system are you using?

by oh smeg

You need to list the Makes & Models as some like the IBM/Lenovo have some Hardware Battery Saving while others do not.

Besides the Power Settings from the OS you need to look at the actual hardware in use and change it to suit your needs.

Speaking from past experience sitting a NB on a track while the unit is being tested isn't such a great idea either. I had one fitter trash my NB that way on a Deawoo that was taking off without being asked to. :D

Looked quite nice though a crushed NB.

Col

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