On Wed, Jul 22, 2015 at 3:17 PM, Håkon Alstadheim <[email protected]> wrote:
> How long are your USB-cables? What kind of power supply do you have, and > what else is drawing power? > The USB cable the drive is currently on is fairly short - about 80cm if I had to guess. The drive has its own wall-wart specced at 2A (12V). There's nothing plugged into the USB ports that would draw power (the only other device plugged in is a UPS). > > I just went from a PSU specced at 5x the needed sustained power to 10x . > Got a slight but definite improvement in USB stability. Yes, my system is > drawing ~ 150w from a 1200w supply. Externally powered hubs were no help. > 5v is specced at 30amps max. I still get drop-outs , very rarely reqiuring > hard boot now, except if I try the multi-media-keys on my back-lit usb2.0 > keyboard. > The host is powered by a 300W Fortron SFX PSU, which should be about 5-6x of actual power draw. It's plugged into the UPS so power should be fairly stable... but you do bring up a good point, the PSU is one element I hadn't considered. Might try to swap that out, too, when I get a chance. > > -- > To UNSUBSCRIBE, email to [email protected] > with a subject of "unsubscribe". Trouble? Contact > [email protected] > Archive: > https://lists.debian.org/[email protected] > >
