Re: [ANNOUNCE] udev 0.1 release

["Richard B. Johnson" <root@chaos.analogic.com>]

On Fri, 11 Apr 2003, John Bradford wrote:

> > > Every three-connection connector supplies power to two drives.
> > >
> > >      |--------D1
> > > -----|--------D2    ________D3
> > >      |______________|_______D4
> > >                     |_______Continue
> > Here's the way I thought of it.
> >
> >                      |--x -- 3
> >        |--------X----|--x -- 3
> >        |             |--x -- 3
> >        |
> >        |             |--x -- 3
> > -------|--------X----|--x -- 3
> >        |             |--x -- 3
> >        |
> >        |             |--x -- 3
> >        |--------X----|--x -- 3
> >                      |--x -- 3
> >
> > I now have 1 + 3 + 9 = 13 splitters, giving me 27 connections, out of 1.
> > etc, etc. Same numbers I'd have doing it your way, yours would be 13
> > levels deep instead.
> >
> > I think I just went for the massively parallel method of hooking
> > these up and from there got massively lost.
>
> Now, assuming a voltage drop of 0.05V across each cable...
>
> :-)
>
> John.
>

Also the 1 ampere that each of drives take on the 12-volt line
that's 4000 amperes for 4000 drives. You need 8 parallel wires
of AWG #00 to handle that current.... and you need to get rid
of 4,000 * 12 = 48,000 watts of heat ;^


Cheers,
Dick Johnson
Penguin : Linux version 2.4.20 on an i686 machine (797.90 BogoMips).
Why is the government concerned about the lunatic fringe? Think about it.



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