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From: daveh@cbmvax.commodore.com (Dave Haynie)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: Do I have a 6.0 or 6.2 rev. A2000 MOTHERBOARD?
Keywords: A2000, motherboard, revision, 6.0, 6.2
Message-ID: <19078@cbmvax.commodore.com>
Date: 18 Feb 91 16:51:35 GMT
References: <1991Feb15.034104.3001@ux1.cso.uiuc.edu>
Reply-To: daveh@cbmvax.commodore.com (Dave Haynie)
Organization: Commodore, West Chester, PA
Lines: 37

In article <1991Feb15.034104.3001@ux1.cso.uiuc.edu> jhc00614@uxa.cso.uiuc.edu (J Chung) writes:

>     I purchased my system used a few months ago w/ the impression I was
> purchasing a 6.2 system.  When I opened the case, the motherboard said
>6.0, but next to it, a sticker that says 6.2 on it.
>     My question is, is this how all 6.2 motherboards are identified or
>am I unique (hustled by the seller)?

The number etched onto the motherboard is the revision level at the time the
PCB is manufactured.  Any number of things in production may change at some
point, warranting a different revision level to keep track of the board 
differences.  This can be as simple as a change in the value of a single
resistor, or something more complex.  Until a PCB change is made, if it ever
is (in the case of the resistor value change, it never will be), a sticker is
added to indicate the revision level of the board's circuitry.

>My question is though, that if they take the time to revise the 
>motherboard, wouldn't they take the time to make the simple change so that
>the motherboards stamp out 6.2 instead of 6.0 at the same time?

If the artwork actually requires a change, the number etched in that little
identification box would get changed as well.  But most production changes
are not complicated enough to require a new circuit board.  If they are changes
added by hand, a new PCB will eventually be made as production requires.  

>     If anybody can help answer my dilemma, I'd appreciate it!

Unless you're actually having trouble with your system, my guess is you're
worrying about nothing.

>                                           Jason


-- 
Dave Haynie Commodore-Amiga (Amiga 3000) "The Crew That Never Rests"
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	"What works for me might work for you"	-Jimmy Buffett