On 6/19/06 11:35 AM, "Matt Britt" <[EMAIL PROTECTED]> wrote:
> I have a home-made device that draws its power from a USB port.
> Unfortunately, with late Linux kernels on some laptops, it can't draw
> adequate current to power itself. Is there any way to force an internal
> hub to allow maximum USB spec current draw? Yes, I know that it breaks
> USB spec to draw more than 100 mA from a port before registering a
> device, but my device is nothing more than a few TTL shift registers and
> can draw no more than about 200 mA (usually much less). Any ideas?
Use CMOS shift registers?
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