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From: GTHEALL@PENNDRLS.UPENN.EDU (George A. Theall)
Newsgroups: comp.sys.dec.micro
Subject: Rainbow EchoMail Digest
Message-ID: <9010282330.AA27752@remote.dccs.upenn.edu>
Date: 29 Oct 90 00:32:00 GMT
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Lines: 76

Rainbow EchoMail Digest                         Oct 28, 1990

In this issue:
  RE: EXTENDED MEMORY OA       (2 messages)
  REGIS


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------------------------------------------------------------------------
Date:     10-26-90 (00:49)
To:       ALAN CONROY
Subject:  RE: EXTENDED MEMORY OA
From:     DAVID MAROUN

 >   Based on my
 > discussions
 > with Suitable solutions when I bought my 286 card, the extra
 > memory on the board is actually a copy of the standard
 > Rainbow ROM, with some modifications to make the ROM BIOS
 > work with the 80286 processor.

That is *JUST* how extended memory is often used on so-called AT
clones! For example, an AT&T 6286 I sometimes use has a little
over a million characters of random access memory.  Unaided
MS-DOS recognizes 655 000 characters of that.  The machine is
configured to use 131 000 characters of the remainder as
"shadow RAM" for storage of read-only memory routines and video RAM.

Windows/286 has drivers for using the extended memory as if it were
normal memory, and/or as a disk cache.

Now the question is:  Will utilities that allow use of extended memory
on other machines work on Rainbows?

A side note: Note that all Rainbows have static RAM for use as shadow
RAM of non-volatile
memory.


- --- Opus-CBCS 1.12
 * Origin: Glacier Peak Rainbow, Bellevue, WA - 206/644-8431 (1:343/3.0)
------------------------------
Date:     10-27-90 (09:22)
To:       ALL
Subject:  REGIS
From:     PATRICK FINK

My Rainbow has the color option, but some programs call for REGIS, what
is it? Where do I get a copy.
                                                      -pat

- --- Opus-CBCS 1.12
 * Origin: Silver Bullet - Silver Spring, Md - 301-622-2247 (1:109/417.0)
------------------------------
Date:     10-28-90 (08:17)
To:       DAVID MAROUN
Subject:  RE: EXTENDED MEMORY OA
From:     GEORGE THEALL

DM>Now the question is:  Will utilities that allow use of extended memory
DM>on other machines work on Rainbows?

   David, please note that "extended" memory in the area of PC
compatibles has a rather specific meaning - memory whose addresses lie
above 1024KB (ie, 1MB) - and as such requires a 286 or better. As I
don't believe the memory board from SS requires a 286, I doubt it
contains so-called extended memory. Keep this in mind in your search
and it will likely be less frustrating.

George
------------------------------