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Thread: Wireless card powered up when computer is off?

  1. #1
    FLAC PatO's Avatar
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    Wireless card powered up when computer is off?

    So I bought a Belkin F5D7001 802.11g card for my carputer a few weeks back. It seems that whenever I use it, then put the computer into hibernation, my battery is dead the next morning. Could the card be powered up to hold onto the connection while the comp is off?

    Sounds strange, I know. But I've done some experimentation (short of getting an ammeter) to try to figure it out. The battery is fine for 2 days (at least) with the computer connected and in hibernate. As soon as I attempt network access, it's like the computer goes into a high power mode until I disconnect it from the battery...

    Has anyone else noticed this with the same or other network cards? Is there any way I can make the card shut off after a period of inactivity?
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  2. #2
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    A PCI card? I don't think that would cause this unless for some reason it is causing the computer to not shut off, like leaving it hanging in Windows. If it was a USB one, and the only USB device you have, it would depend on what type of powersupply/controller you were using.

    *EDIT* nevermind, I have reading comprehension issues and didn't see hibernation. I haven't a clue.

  3. #3
    FLAC IntellaWorks's Avatar
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    Is the power to your PC cut when the vehicles ignition is stopped ?? If the fans stop moving in the computer "typically" this is a good indication that is it off... also there should be a "power-light" on the casing.. when this is off or not lit up then your machine should be off...

    Otherwise the PCI card will not draw power unles the mobo is activated...
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  4. #4
    FLAC PatO's Avatar
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    It's a PCI card.
    And the PC is basically "off" in hibernate mode - which means that usb is still powered up, as well as various other "low power" components in the computer. No fans are running. This is NOT the same as standby.

    Power is never disconnected in the scenarios where the batt dies, although I have the option of turning it off with a switch.

    Could the PCI wireless card be sucking power in order to maintain network connections when the computer is off? I've tried searching, but haven't found anything. It's not like your average joe would care about power consumption when their computer is off - the only people who would care are likely in this forum!!!

    So frustrating... I spent money on a remote car starter, wired up an AUX switch to turn the carputer on and off, and the carputer still sucks power when it's off... Perhaps I should hook up my DSchmidtt auto-off and have the remote car starter hard-off the computer...
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  5. #5
    FLAC IntellaWorks's Avatar
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    I dont think a PCI card could drain the battery that quickly... Especially in low power mode... I think that there is something else going on... possibly not even carpc related... does it consistantly kill your battery ?? try cutting the powerline to your pc at night to see if your battery is still dying if so then you've eliminated the pc..
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  6. #6
    FLAC PatO's Avatar
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    I've had the carputer installed since late December with no dead batteries. Installed the card, tested it out, and the next day my batt was dead. For the next week, I didn't use the network and left the computer connected when I put it into Hibernate - no dead batt. This weekend, I added some files - dead batt.
    I'm pretty sure it's the wireless card, but as I said before, I can't be sure without an ammeter. Could anyone suggest a cheap ammeter for testing this?
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