Chris Ruprecht wrote: > Mikkel L. Ellertson wrote: >> >> If you are trying to use both drives at once, you are more likely to >> run into power problems. Are you using any other USB devices at the >> same time? >> >> One other thing - check the specs on your USB card, and on the >> devices that you are plugging in to make sure you have enough power. >> There is usually a port limit and a total limit. If you have devices >> that under report their power needs, or have any power-only devices >> plugged in, you may be at or over the total limit. >> >> Mikkel >> > No, they are externally powered 3.5" Maxtor 320 GB drives. The case is > an Adaptec USB 2.0 enclosure. They are connected to the 2-port card > (same card for both drives). > I wonder if the electronics for the interface are powered from the USB bus? That should not be a problem, unless your card skimped on the USB power. Do you have the problem if only one drive is plugged in? Mikkel -- Do not meddle in the affairs of dragons, for thou art crunchy and taste good with Ketchup!