Re: Pet 8088 coprocessor board for sale on Ebay

From: Steve Gray <sjgray_at_rogers.com>
Date: Tue, 11 Jan 2011 05:03:10 -0800 (PST)
Message-ID: <58146.86913.qm@web88201.mail.re2.yahoo.com>
Hey, I can see my messages now! This is the first one I've seen since I 
mentioned it before.

Steve



----- Original Message ----
> From: Steve Gray <sjgray@rogers.com>
> To: cbm-hackers@musoftware.de
> Sent: Tue, January 11, 2011 7:48:47 AM
> Subject: Re: Pet 8088 coprocessor board for sale on Ebay
> 
> All CBM-II machines have a switching power supply. There is a small transformer 
>
> in each plus the additional circuits for the switching supply. Original PET/CBM 
>
> machines have one very large transformer and a couple large capacitors. The 
> exception is the 8296D which also has a switching supply to handle the 
> additional drive unit.
> 
> Steve
> 
> 
> 
> ----- Original Message ----
> > From: Michał Pleban <lists@michau.name>
> > To: cbm-hackers@musoftware.de
> > Sent: Tue, January 11, 2011 4:01:06 AM
> > Subject: Re: Pet 8088 coprocessor board for sale on Ebay
> > 
> > Hello!
> > 
> > W dniu 2011-01-11 09:29, Baltissen, GJPAA (Ruud) pisze:
> > 
> > > Linear power supplies have a bulky and heavy transformer, the switching 
>ones 
>
> >don't.
> > 
> > The 610 has a bulky transformer. I will need to open the 720 power
> > supply to check, but I think it has a small one.
> > 
> > Regards,
> > Michau.
> > 
> >       Message was sent through the cbm-hackers mailing list
> >
> 
>       Message was sent through the cbm-hackers mailing list
> 

       Message was sent through the cbm-hackers mailing list
Received on 2011-01-11 13:00:02

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