Re: CBM 710: Replacing Power Supply - Help Needed

From: Mia Magnusson <mia_at_plea.se>
Date: Mon, 23 Apr 2018 21:00:20 +0200
Message-ID: <20180423210020.0000097b@plea.se>
Den Sun, 22 Apr 2018 23:44:57 +0200 skrev Michał Pleban
<lists@michau.name>:
> Hello!
> 
> Christian Dirks wrote:
> 
> > Helmut Proxa built CBM 700 machines with built in drives and the
> > proxa 7000 board back in the days, which work reliable with the
> > original PSU. I think the Proxa 7000 Board uses more power than the
> > 8088 Board.
> 
> That's hard to say, because the 8088 board has a 8088 CPU and 8087 FPU
> clocked at 5 MHz. I don't have the means to test it (my machine from
> Mr. Proxa does not work) but I would bet they draw more current than
> the Proxa board.

Two 5,25" disk drives surely draws more power than an 8088 and an 8087
@ 5MHz?

P.S. power consumption of the drives, the 8088, the 8087, and the major
IC's on a Proxa board should be in the data sheets.

-- 
(\_/) Copy the bunny to your mails to help
(O.o) him achieve world domination.
(> <) Come join the dark side.
/_|_\ We have cookies.
Received on 2018-04-23 22:00:03

Archive generated by hypermail 2.2.0.