Ed Durrant wrote:
 
>    What are the comparitive speeds of a 7200RPM drive (say 100GB
> capacity) using these three interfaces - I realise USB 2.0 will be the
> slowest, but is SATA slower than PATA (ATA 100 EIDE) ??

USB is slowest by far. Between two models of the same drive, whether
PATA or SATA will be the faster usually depends on the drive
controller's efficiency, as most are incapable of reaching the
controller's maximum speed, instead being limited by the drive's
performance. SATA has the higher theoretical speed, at this point
generally reached only when running more than one drive at a time. When
drives get faster, then SATA will clearly be faster, expecially for
SATA2.

>    Transfer speed is the question here. The USB 2.0 and perhaps the SATA
> interface to an external drive, will be most convienient however if PATA
> is still the fastest, I'll run the system with the lid off if I need to.

It will be a lot easier to snake a SATA cable pair through a hole in the
case for external use of internal ports than for PATA cables.
-- 
"I can do all things through Him who gives me strength."
                                                Philippians 4:13 NIV

 Team OS/2 ** Reg. Linux User #211409

Felix Miata  ***  http://members.ij.net/mrmazda/



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