Re: CDROM performance.

Alan Cox (
Wed, 25 Feb 1998 14:09:36 +0000 (GMT)

> I have a new 24x CDROM. The manual claims it can do 3500k per second.

K 1000 or K as in 1024, K before or after accounting for error correction
off the disk. Remember these are marketing numbers

> However at 280Mb, when the performance reaches around 2600 k per
> second, I get a "cloud" of data points, none above 2700k per second.
> Is there a kernel imposed speedlimit on CDROMs?

No, but drives do have smarts in them to avoid going too fast for quality
of CD (some drives you'll hear a bad CD keep slowing down)

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to