[ltp] [T60] Is SATA slower than PATA?

Don Perley linux-thinkpad@linux-thinkpad.org
Wed, 15 Nov 2006 10:31:50 -0500


This might be a little clearer.  The cache here is built into the disk 
drive.

Theodore Tso wrote:
> On Tue, Nov 14, 2006 at 09:42:36AM -0500, Chris Hanson wrote:

>> Do you know what "cached" refers to?  Is that cached in RAM, and if so,
>> isn't this really a measurement of memory speed?
> 
> Cached in the track buffer, I believe.  So it's measuring the transfer
> rate of data between the drive and memory --- try this on an ISA-bus
> attached IDE disk sometime, and you'll see what I mean.  :-)
> 
> 						- Ted