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From: ching@amd.UUCP (Mike Ching)
Newsgroups: comp.sys.mac
Subject: Re: new ROMs and 3rd party upgrades
Message-ID: <3946@amd.UUCP>
Date: Fri, 1-May-87 16:36:14 EDT
Article-I.D.: amd.3946
Posted: Fri May  1 16:36:14 1987
Date-Received: Sun, 3-May-87 04:52:07 EDT
References: <127200004@inmet> <127200005@inmet>
Reply-To: ching@amd.UUCP (Mike Ching)
Organization: Advanced Micro Devices
Lines: 10

In article <127200005@inmet> callen@inmet.UUCP writes:
>
>NOW - What's the difference between the DDJ upgrade and a REAL 512K
>Macintosh?

The only difference I've seen is that the REAL Mac has pullup
resistors on address lines A17 and A18 and they're needed for
reliable operation.

mike ching