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From: bill@ccvr1.ncsu.edu (William S. Smith)
Newsgroups: comp.sys.ibm.pc
Subject: Re: AT POST 3 BEEPS MEANING?
Keywords: help post IBM AT
Message-ID: <1989Dec16.141258.23095@ncsuvx.ncsu.edu>
Date: 16 Dec 89 14:12:58 GMT
References: <1989Dec16.003500.5466@hellgate.utah.edu>
Reply-To: bill@ccvr1.ncsu.edu (William S. Smith)
Distribution: na
Organization: NCSU Computing Center
Lines: 18

In article <1989Dec16.003500.5466@hellgate.utah.edu> u-dmfloy%ug.utah.edu@cs.utah.edu (Daniel M Floyd) writes:
>
>Could someone tell me what 3 short beeps on a new mother board means?
>
>A friend of mine is putting together an AT machine but get's nothing
>but those 3 short beeps. Over, and over, and over ...
>

I would suggest you check the manual with the video board.  The EGA by
BOCA, for example, says three beeps indicates an error on the other
display card in the system.  I used to get the signal even with only the
BOCA board in the system and no other.  Problem was traced to a fault on
the motherboard - it worked well with a CGA card but wouldn't perform
reliably with the EGA board.

Hope this helps.

bill