Power and the RA82
Curt @ Atari Museum
curt at atarimuseum.com
Mon Jul 11 12:12:50 CDT 2005
For the sake of your home, I would recommend getting another additional
circuit into your computer room, most homes (unless you request and pay
for) have 15a rated circuit wiring and can carry 20a loads if you
upgrade the breaker, but if you go above that you are now risking
overheat on your wiring and outlets and you could be risking a fire.
Julian Wolfe wrote:
> My DEC dealer has a RA82 he wants $200 for, and I was thinking of
> trading him one of my RL02s for it. That's what actually came in this
> chassis, but I'm really concerned about the power requirements of the
> disk and controller - I know the KDA50 is a pig, but I do have a
> separate expansion box for it. My real concern is blowing a breaker
> in my apartment building. Now, I've read the current surge draw on a
> RA81 (in the RA81 user guide) is 35A in 110V mode. Is this correct?
> Also, what are my power bills going to look like running this thing
> 24/7? A already run one RL02 and the CPU 24/7, and I'm talking about
> adding an expansion box to it with the KDA50...will I be OK on one 15A
> circuit? Logic with these numbers says no, but I saw somewhere on
> the web where a guy said he was running an 11/750, RA82, and some
> other stuff all off 1 15A circuit. The only way I can see this working
> is if the drive spins up somehow by trickle charging a cap(or more
> than just 1) and then spinning up the drive.
> Can anyone shed any light on this? Will I blow something with this RA
> disk on my setup?
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