The last couple of weeks I have had a dramatic slowdown in USB drive access
(including the SD port) on my X61t running Vista 64 (around 1.5MB/sec
transfer instead of the expected 18+MB/s on an external HD). This is not a
hardware issue, since everything is nice and snappy in Linux and also in
Windows safe mode. It is also fast when I first boot up, the slowdown
happens around 10 seconds after boot. Is anyone else experiencing this?
The only new software on this machine in that period is the usual set of
Thinkvantage and Windows updates.
I've already tried things like deleting and reinstalling the USB and IDE
drivers.
I plan to upgrade this machine to W7 soon, which might fix whatever is
happening, but I'd like to understand the problem before I do so.
TIA, David
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