[CentOS] OT: USB3 drive occasionally not detected

Am Mittwoch, 13. Juli 2011, 17:04:31 schrieb Always Learning:
> Which Asrock pcb

Asrock 880G Extreme3

Formated ext. UBS-HDD (500 GB) ext3 / ext2 - both did not work

 
> SD cards (FAT format) are instantly recognised (via USB). However USB
> memory sticks (4 GB, 8 GB) are recognised very slowly. There appears to
> be some polling, a flash of activity on HDD 1, a flicker of LED light on
> the memory stick, some more HDD activity, more memory stick LED flashes
> then the memory stick is recognised. The process seems very slow and
> take about a minute or more.

If it is detected (first time)  - that happens very fast.
But then ( second time or more) - no detection.

Timothy