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From: mwm@eris.BERKELEY.EDU (Mike (My watch has windows) Meyer)
Newsgroups: comp.sys.amiga
Subject: Re: Extra ram vs. hard disk
Message-ID: <4597@jade.BERKELEY.EDU>
Date: Wed, 5-Aug-87 04:03:51 EDT
Article-I.D.: jade.4597
Posted: Wed Aug  5 04:03:51 1987
Date-Received: Fri, 7-Aug-87 06:51:48 EDT
References: <18611@cca.CCA.COM>
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Reply-To: mwm@eris.BERKELEY.EDU (Mike (My watch has windows) Meyer)
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In article <18611@cca.CCA.COM> jack@cca.CCA.COM (Jack Orenstein) writes:
<Would I, with 4 meg, be able to keep Manx C with utilities and selected
<libraries, linker, editor, and a bunch of CLI commands in ram?

With 4 meg of FAST mem, I can keep c:, system:, my entire Manx
development environment, my entire Lattice development environment,
sources and binaries (both Manx and Lattice) to my latest project -
including the Mac and Unix versions for reference - a running vt100, a
running mg2a-alpha with a couple of hundred K of sources in buffers,
and a fullscreen console window - all on an interlaced, morerowed
screen.  Plus the usual half-dozen background goodies. 

4 Meg is a *lot* of room for C development. About the only time I run
out of room is when I'm running a couple of copies of LISP, or have
something large loaded. Normally I only keep one C development
environment loaded, and still have 2.5Meg of free FAST ram. It's nice
to be able to "backup" a disk by copying it to vdk: for testing :-).

<Assuming this is all feasible, what are opinions as to the wisdom of
<proceeding in this way?

BUY A RACK! BUY A RACK! Memory expansions + hard disk controllers seem to
create problems when you get them to work together. I've encountered
at least one hard disk manufacturer that didn't know that their
software didn't work in FAST ram.

Actually, 2 Meg is plenty for a C development environment - I added
the extra 2 when I started fooling with LISP. 1 meg may be enough, but
I've never tried it. Given that, and an extra $500, the PAL Jr.  looks
like a nice box. 20 Meg HD, 1 Meg of $C00000 (which buys you back some
chip ram, which is a *good* thing. I may go to a WCS replacement for
that), real-time clock and a slot for their 2-8 Meg board. Which they
want to much for if you don't buy it with the Pal Jr. 

The ASDG mini rack + an ASDG ram board fits the budget, but ASDG
doesn't have a disk controller (yet). And I think you can only get 2
meg at the price. I'd be tempted by it if I were in your shoes. (Hmm -
thinking about it, I may switch to that anyway. When is your disk
controller do out, Perry?)

I've also got some literature from for a thing called the FIP. Very
similar to the Pal, but without the $C00000 memory and extra goodies.
Also without an extra $500 in the price.

	<mike
--
Round about, round about, in a fair ring-a.		Mike Meyer
Thus we dance, thus we dance, and thus we sing-a.	mwm@berkeley.edu
Trip and go, to and fro, over this green-a.		ucbvax!mwm
All about, in and out, over this green-a.		mwm@ucbjade.BITNET