Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site mips.UUCP Path: utzoo!watmath!clyde!burl!ulysses!allegra!bellcore!decvax!decwrl!Glacier!mips!mash From: mash@mips.UUCP (John Mashey) Newsgroups: net.micro.att Subject: Re: Questions on the PC-7300 Message-ID: <135@mips.UUCP> Date: Mon, 20-May-85 13:04:17 EDT Article-I.D.: mips.135 Posted: Mon May 20 13:04:17 1985 Date-Received: Thu, 23-May-85 02:24:46 EDT References: <577@hou2e.UUCP> <309@npois.UUCP> <272@ihnp1.UUCP> <187@timeinc.UUCP> Organization: MIPS Computer Systems, Mountain View, CA Lines: 16 Dwight Earnest writes: > Yet Another Related Question: Is 2 MB indeed the max memory, > or can we expand to, say, 8 MB (or more) using 256 KB chips? > The 68010 is not limited to 2 MB; is there an enforced memory > size limit in the o.s. or in the firmware somewhere? > And Yet Another: I have seen two different clock speeds quoted > for the Unix PC: 10 MHz and 12.5 MHz. Which is it? There was a 2MB real memory limit (bussing) in the 7300's ancestor MiniFrame; I don't know if it carried over, but quite possible. It is 10Mhhz. -- -john mashey UUCP: {decvax,ucbvax,ihnp4}!decwrl!mips!mash DDD: 415-960-1200 USPS: MIPS Computer Systems, 1330 Charleston Rd, Mtn View, CA 94043