Cant get front panel USB to work

  aca 21:23 02 Jan 2008

Just transferred contents of an ancient Imedia P4 into new case as original had developed a faulty switch. Found that the mobo is a GA-8SIML.

Everything working ok now apart from the front panel USB ports.

Have tried to follow the manual(which looks straightforward) with the pin/plug layout but cant seem to get it working.

For ea port one grey cable containing a block of 3 connector wires and a single GND.

Advice appreciated

  Fruit Bat /\0/\ 21:31 02 Jan 2008
  aca 21:51 02 Jan 2008


have copied the wire colour layout ie 2 rows, red, white, green then black. (it is a 9 pin header so one pin left spare at the end on one row.

Still no go.

Well I've just downloaded the manual for the Gigabyte GA-8SIML version 1 & 2 from click here
and if this is your board it looks like the 9 pin header is for a Com B connection not usb. The front usb connector is two rows of 4 pins with a gap in each row, and the two rows are wired opposite to each other, so you have
1 pin space 3 pins
3 pins space 1 pin

Which is
GND, space, usb3+, usb3-, power.

power, usb2-, usb2+, space, GND

but not sure if this is the right board so check it first.

  aca 09:12 03 Jan 2008


Y, downloaded manual. Its really strange because the pin layout on the USB header on the board is the same as the COM header. Not as shown on the manual.

when swapping out the board from the original case the USB was connected to the header via a single large block connector rather than the arrangement on new case.

  aca 17:40 03 Jan 2008

Found that my USB mouse lights up when plugged into the USB ports but not found as new hardware.

(this happens ok when in the back USB)

so power getting to USB?

  aca 19:15 03 Jan 2008

Seems that there is a problem with the header: so will settle for the front USBs not working (however frustrating this)

click here

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