Gigabyte GA7VA-C and usb problem
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Thread: Gigabyte GA7VA-C and usb problem

  1. November 11th, 2003, 05:34 PM #1
    TRICKPLAYER
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    Gigabyte GA7VA-C and usb problem

    I have a problemwith a GA7VA-C Motherboard, it has a 2500 Barton and 2 x 256 Samsung PC 3200 DDR'S, ti is running ok exept when you shut down the usb ports stay powered, i.e. if you plug a usb light into a usb socket it will stay on...anybody got any idea's? everyother pc the light goes off.
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  2. November 11th, 2003, 06:01 PM #2
    geoscomp
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    Quote Originally Posted by TRICKPLAYER
    everyother pc the light goes off.

    I have about seven of them in the shop that continue to supply +5 volts to the usb sockets when shut down...and have never considered it unusual since atx boards do this anyway
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  3. November 11th, 2003, 11:17 PM #3
    Silverman
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    My DFI P4 board also did this and when I asked a DFI rep about it he told me it was normal. This allows users with USB keyboards and mouses (mice) to use the power on by keyboard/mouse option. Made sense to me as no power to keyboard or mouse via USB means no power on by keyboard/mouse function.
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  4. November 12th, 2003, 03:33 AM #4
    Garak
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    Check the board jumpers for allowing Power on by keyboard / mouse. Maybe theres a default option in the BIOS that keeps them powered if there isn't a jumper. Always worth a look.
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  5. November 12th, 2003, 01:08 PM #5
    TRICKPLAYER
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    OK, thanks all, it is on my friends pc, he has a usb mouse plugged into a usb adapter, so when I done some work on it I enabled the usb mouse in the bios, which I suspect is the answer, once again thanks.
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  6. November 14th, 2003, 08:20 PM #6
    [uk]delboy
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    Angry power stays on mate

    well so did mine all i did was turn switch off at the back of my tower and guess wot it turns off the usb ports well i hope this was some help
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  7. November 14th, 2003, 09:47 PM #7
    TripleRLtd
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    Quote Originally Posted by [uk]delboy
    well so did mine all i did was turn switch off at the back of my tower and guess wot it turns off the usb ports well i hope this was some help
    Well, that's because no power is getting to the mainboard anymore!
    You flipped the switch.
    As Geoscomp states, the ATX form factor contiunes to supply a minimum amount of "power" to the board even when turned off.
    This is why they tell you to unplug the PC when intalling/removing cards or ram.
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  8. November 16th, 2003, 06:17 AM #8
    TRICKPLAYER
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    Well I can only add I have a ASUS P4T533 and a ECS K7VMM+ in my 2 systems here and they do not supply power to the usb ports when they shut down, I did enable usb mouse support in the bios of my mates PC with the GA7VAC Mobo, but I hav'nt been back to see if switching that off will resolve that.
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