Actually u could measure the position once, measure the rate of
rotation and then just correlate to the system clock... of course
doesn't work for ZBR disks :)
> > i think it was rsx-11 which used to format the disk to take into account
> > retational delays
> I've seen DOS floppy formatting programs that do that. Meanwhile, since
> hard disk makers have been bragging about sustained transfer rate for the
> past several years, I can guarantee they've skewed the tracks properly to
> optimize sequential reads across track boundaries...and not even a SCSI
> drive will tell you the value of this skew, AFAIK...
Yes, these kinds of optimizations are useful, and beyond our
knowledge.
-hpa
-- PGP: 2047/2A960705 BA 03 D3 2C 14 A8 A8 BD 1E DF FE 69 EE 35 BD 74 See http://www.zytor.com/~hpa/ for web page and full PGP public key I am Bahá'í -- ask me about it or see http://www.bahai.org/ "To love another person is to see the face of God." -- Les Misérables- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/