Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uwm.edu!rpi!uupsi!rodan.acs.syr.edu!ggreenbe
From: ggreenbe@rodan.acs.syr.edu (Gerald Greenberg)
Newsgroups: comp.sys.atari.st
Subject: Re: 2 questions on memory expansion
Keywords: Memory expansion
Message-ID: <1990Nov28.103338.22377@rodan.acs.syr.edu>
Date: 28 Nov 90 10:33:38 GMT
References: <1990Nov25.213232.17161@rodan.acs.syr.edu> <1990Nov27.194228.23150@d.cs.okstate.edu>
Organization: Syracuse University, Syracuse, NY
Lines: 23

In article <1990Nov27.194228.23150@d.cs.okstate.edu> cummins@d.cs.okstate.edu (John Cummins) writes:
>In article <1990Nov25.213232.17161@rodan.acs.syr.edu> ggreenbe@rodan.acs.syr.edu (Gerald Greenberg) writes:
>>1.  I've got a 520ST...not the oldest, but rather the one that
>>has the rf modulator in it AND an external power supply.  Now,
>>can this machine handle an internal upgrade to 4 Meg?  I seem
>>to recall there could be some problem with the power supply
>>not being able to handle all the memory...what is going on
>>here?
>>--Gerry
>
>What is the rating of the power supply?  How many watts (or volts/amps)
>can it output?  That would help a lot.  If it's about the same as a Mega's
>PS rating, you'll have plenty!  (since you don't have the internal floppy
>to power.)
>John Cummins cummins@d.cs.okstate.edu
On the bottom of the power supply is written:
Output:  5VDC 3A
	+12VDC 0.03A
	-12VDC 0.03A
Does that mean I've got enough power for 4 meg? or not?...(I
thought the fact that the external drives have their own power
supplies might help here, too.)
--Gerry