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Article #37501

Re: Mac Plus Memory Upgrade

#37501
From: John S. Hill
Date: Wed, 08 Feb 1989 20:09
27 lines
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In article <14377@cup.portal.com> David_Anthony_Guevara@cup.portal.com.UUCP writes:
>
>I have just upgraded my Mac Plus memory to 4Mb.  When I start
>it up, it seems to take about 5-10 seconds before it goes out
>to my hard disk and procedes with the boot.  Is this normal?

Yes.  Don't worry about it.  Upon powering up, the computer goes through
a RAM test.  It's taking longer now because there's four times as much memory
installed.  It has always been testing memory - it's just that 1mb tests faster
than 4mb.  The memory test is only executed upon power up (or sometimes after
a particularly nasty system crash).  Memory is not retested every time you
select restart from the special menu or hit the restart button on the
programmers switch.

Incidentally, if the test encounters bad memory, you'll get a 'sad mac' with a
number underneath.  You can look up this number in IM (off the top of my head
I don't recall which volume and what status codes are affected) and it'll tell
you which is bad.  I wouldn't worry too much about bad RAM, though.


-- 
 -- --   |   |   ---   -----   ---   |\  |   ----         ----   ----- 
|  |  |  |   |  |___     |    |___|  | \ |  |  __        |  __     |
|  |  |  |___|  ____|    |    |   |  |  \|  |____|       |____|    |
                               ...there is no substitute (except a ZR1 'vette!)

John S. Hill -- UUCP: {princeton,att,decvax}!petsd!hill
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References: <14377@cup.portal.com>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uflorida!ukma!rutgers!att!mtune!petsd!hill
From: hill@petsd.UUCP (John S. Hill)
Newsgroups: comp.sys.mac,comp.sys.mac.programmer
Subject: Re: Mac Plus Memory Upgrade
Message-ID: <1458@petsd.UUCP>
Date: 8 Feb 89 20:09:53 GMT
References: <14377@cup.portal.com>
Reply-To: hill@petsd.UUCP (John S. Hill)
Distribution: usa
Organization: Perkin-Elmer DSG, Tinton Falls, N.J.
Lines: 27