On Fri, 20 Aug 2004, Tim Underwood wrote:

> I asked a week or so ago about the constant hard disk access on my
> MobilePro. (My configuration is a PCMCIA 2GB HD, and a wireless CF
> card).
>
> Well, after some experimentation, I found that the "disk access" was
> actually network traffic.  Another one of those dope slaps to the head.
> The CF uses an ATA interface, so the MobilePro "sees" it as a "hard
> drive".  Thus, the light blinks when there's network traffic on the ATA
> bus.  There is no actual PCMCIA hard drive access going on.  (Duh!)

Right concept, other way round.  The activity light twiddle in the kernel
comes from any I/O access, which includes PCMCIA ATA connections, PCMCIA
network cards, and USB activity from any USB device.

-- 
-- Todd Vierling <tv@duh.org> <tv@pobox.com>