Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!bloom-beacon!husc6!linus!alliant!harriss
From: harriss@Alliant.COM (Martin Harriss)
Newsgroups: sci.electronics
Subject: Re: 8741 Chip question
Message-ID: <2452@alliant.Alliant.COM>
Date: 7 Oct 88 17:15:41 GMT
References: <636@umbio.MIAMI.EDU> <1386@cooper.cooper.EDU> <105@ncrmud.Columbia.NCR.COM>
Reply-To: harriss@alliant.Alliant.COM (Martin Harriss)
Organization: Alliant Computer Systems, Littleton, MA
Lines: 13

In article <105@ncrmud.Columbia.NCR.COM> jdg@ncrmud.UUCP (Jim Griggers) writes:
>Sounds like "8741" is a date code.  I know of no X-10 modules that use
>the Intel 8741 for anything.  The chips that are used in most modules
>are custom GI parts.  The only microprocessor used in their controllers
>(that I know about) is an NEC 80C48.

Of course the 80C48 is just a CMOS (i.e. low-power) version of the 8048,
of which the 8741 is a variant.  A sure way to tell if you have a real
8741 or not is to see if there is a window on the chip for uv erasure
of the eprom.  If there's a window, you do indeed have an 8741.

Martin Harriss
alliant!harriss