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From: gjs@mtgzy.UUCP (g.j.shevchuk)
Newsgroups: net.micro.cbm
Subject: Re: C64 models
Message-ID: <1984@mtgzy.UUCP>
Date: Mon, 15-Sep-86 13:05:05 EDT
Article-I.D.: mtgzy.1984
Posted: Mon Sep 15 13:05:05 1986
Date-Received: Tue, 16-Sep-86 20:54:15 EDT
References: <3329@utcsri.UUCP>, <721@cbmvax.cbmvax.cbm.UUCP>
Organization: AT&T Information Systems Labs, Middletown NJ
Lines: 5

Some time I had gotten some info on how to tell the ROM revisions apart:
type:
?peek(65408)
The expected responses are 0 (oldest), 170 (next), or 3 (newest, unless there
have been some more in the last year and a half).