In message <[EMAIL PROTECTED]>
on Sat, Mar 13, 2004 at 01:10:21PM +0800, Craig Ringer wrote:
> I think you'll find that laptop disks are up to it. If you're unsure,
> look up the "operating shock" specs for a 2 1/2" disk (say, a 42k RPM or
> 54k RPM Hitachi) on the 'net, and find out for sure.

It would seem reasonable for those 4.2kRPM drives to have good vibration
and low-shock stability. However, I suspect that a 42kRPM drive would be
a lethal weapon (or least its refrigeration unit would make it too
inconvenient for public transport)! ;-)