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SubjectRe: PATCH : LEDs - possibly the most pointless kernel subsystem ever
On Tuesday 29 July 2003 22:43, Eli Carter wrote:
> Maybe also:
> * 100% CPU usage
> * Toggle each jiffie (help detect interrupts disabled)
> * User control for things like cpu/harddrive temp...
> * and of course, Morse code ;)

Older PA-RISC machines have at the front panel a LED
which shows machine load (4 LEDs), heartbeat (1 LED),
SCSI activity (1 LED) and network RX/TX (1 LED each).
This panel is programmable via software and a nice and
consistent linux kernel and userspace API across the
architectures is IMHO a good thing.

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