Re: WD Black

On 27/06/2020 1:18 pm, Paul wrote:
<snip>
> A second, mostly unused mechanism, is the fifteen pin power cable,
> one of the pins has a secondary function. It can drive a LED (pull
> to ground), when the *disk* feels that a significant command
> has been run. This may be wired on servers, but I've never
> seen a desktop that uses this.

I have some quick change SATA hot-swap 'caddies' that fit in a 5 1/4 bay that have individual LEDs 
for drive activity that use that pin. I used to have four of  them in one machine but now have 
three on a shelf and one in this machine.

-- 
Shaun.

"Humans will have advanced a long, long way when religious belief has a cozy little classification 
in the DSM"
David Melville

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