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From: gpw@ihdev.UUCP (G. P. Wilkin)
Newsgroups: comp.sys.att
Subject: Re: 6300 Memory upgrade
Message-ID: <1045@ihdev.UUCP>
Date: Fri, 21-Nov-86 13:10:54 EST
Article-I.D.: ihdev.1045
Posted: Fri Nov 21 13:10:54 1986
Date-Received: Tue, 25-Nov-86 00:05:21 EST
References: <7191@topaz.RUTGERS.EDU> <2681@gitpyr.gatech.EDU>
Organization: AT&T Bell Labs, Naperville, IL
Lines: 28

> In article <7191@topaz.RUTGERS.EDU> gopstein@topaz.RUTGERS.EDU (Richard Gopstein) writes:
> >
> >  A friend has an ATT 6300 with one floppy drive and one 10M
> >hard disk purchased about a year ago.  The system came with 256K
> >RAM on the motherboard, and he is interested in upgrading the
> >system to 640K.  Unfortunately, he thinks that all of the existing
> >chips (64K)? are soldered directly to the motherboard.  Did they
> >really do this?  If so, what are his options?
> 
> This is not true. There are 2 banks - one is soldered-in 64K chips, the other
>                                             Jim Greenlee
> 
TIMEOUT!!

Jim, you have said is true of NEWER 6300s ONLY. The older model (CPU-3) did
indeed have the STUPID soldered in chips. I know this for a fact. In fact
Many of the VERY EARLY 6300s have had soldered in chips, right down to the cpu
(8086) chip. 

Silly, I know, but true. All you current and future owners should note that
AT&T does not do this anymore, I think 512K is stock now.

Your explaination is correct otherwise, thanks for putting it out.
George

-- 
George Wilkin 	AT&T Network Systems, Naperville, IL 
		!ihnp4!ihdev!gpw  IH 4A-157  work 312-979-4317