Comment 116 for bug 952080

(In reply to comment #64)
> For full-speed devices, a disconnect is detected when the D+ data line drops
> to
> 0 volts for an extended period. For low-speed devices, a disconnect is
> detected when the D- data line drops to 0 V for an extended period.
> High-speed
> devices revert to full-speed signalling when they are suspended.

Thanks and sorry for the delay.
Are the D-lines at 5V when the device is in S3 ?
Sounds like this is the only way to wake up a system from S3 wia USB ?

What I don't understand is, that the system wakes up from S3 immediately if a USB1 device is connected during suspend, but when the system goes to S3 without USB1 devices connected, it doesn't wake up when connecting them afterwards...

(In reply to comment #73)
> I will report that ASUS P5N32-E SLI mainboard is not affected by OHCI
> USB/ACPI
> S3 State immediate wakeup bug.
>
> http://www.asus.com/Motherboard/P5N32E_SLI/
>
> This one has NVIDIA nForce 680i SLI chipset (Crush 55 (C55) + MCP55)

...which means that it is not a chipset bug (other MCP55 boards have this bug).
The fact that the working boards seem to have no +5V/+5VSB jumper could be a hint that it's bug in the electric circuit.
Have we ever seen a board where this bug has been solved by upgrading the BIOS ?