Asrock 4Core Dual-VSTA no power to USB,PS2

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  • s_henya
    Badcaps Veteran
    • Jan 2011
    • 480
    • Israel
    #1

    Asrock 4Core Dual-VSTA no power to USB,PS2

    Hey guys,

    got this mobo with no power to USB or PS2 Port.

    Temporary solution is a PCI to USB card.

    but i am eager to find the problem as this mobo worked until 2 days ago.

    i couldn't find even one fuse on this entire board!

    im afraid that the windbond chip failed-(didn't check it with scope yet)

    what would you suggest?

    (the image is from google for now- as no visable damage such as burnt chips or bloated caps
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    • stj
      Great Sage 齊天大聖
      • Dec 2009
      • 31010
      • Albion
      #2
      Re: Asrock 4Core Dual-VSTA no power to USB,PS2

      get a manual first.
      there will be jumpers to switch the ps2 and usb power from 5v to 5v-standby so you can power keyboards & stuff while it's turned off.

      you should check these, and the surface-mount polyfuse will be near them.
      Last edited by stj; 09-26-2015, 04:48 PM.

        Comment

        • s_henya
          Badcaps Veteran
          • Jan 2011
          • 480
          • Israel
          #3
          Re: Asrock 4Core Dual-VSTA no power to USB,PS2

          STJ THANK YOU!

          i know what fuses you were talking about, they don't exist in this board.
          but, i jumpered it to 5stdby it WORKS!!!

            Comment

            • mikan
              New Member
              • Dec 2015
              • 6
              • usa
              #4
              Re: Asrock 4Core Dual-VSTA no power to USB,PS2

              lol I have this board, it's a good board, been using it for like 10+ years no problems. How do you know 5stdby or where to solder to? do you have schematics for it?

                Comment

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