Macintosh prior to OSX used Chicago and Charcoal. These are fairly distinctive and aren't really "Helvetica-like" in my mind. Chicago in particular was pretty m

Macintosh prior to OSX used Chicago and Charcoal. These are fairly distinctive and aren't really "Helvetica-like" in my mind. Chicago in particular was pretty much synonymous with "Macintosh" and was used in early iPods. Pre-MacOS machines used fixed-width bitmapped fonts that fall more in the range of "programmer fonts" than Helvetica.