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1995-04-27
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7KB
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115 lines
AERCO 4 MEG 1040ST upgrade
By John Damiano Copyright 1992, 1994 All Rights Reserved
Way back in the bad old days (before the ST) I owned a Commodore 64.
Actually, I still have an SX 64. 64K of RAM (random access) memory. Enough
to rule the world we thought. We couldn't even conceive of what it would be
like to have 512K, much less 1 MEG, of memory. So...how come, now, 1 Meg of
RAM isn't enough. It isn't really. If you try to work with desk top
publishing you quickly run out of room for fonts. If you load lots of handy
accessories into memory, you can run into some tight situations. If you want
to use a decent ram disk..not enough room left. My 1040 felt
so...so...confining. I decided it was time to shove some more chips into it.
Checking around, people generally recommended the AERCO upgrade board. There
were a host of other brands available too. Some that were not recommended.
We won't mention those. Here is how it went:
I got the phone number of Aerco (Acme Electric Robot Co). A call was
placed. It went right through. They said they would be GLAD to sell me a 4
meg upgrade for my 1040 ST. They also had 520 upgrades. Or maybe I would
rather just get the 2.5 MEG upgrade. Chip prices were down so we went with 4
MEGs. The whole thing would cost $419.00 [editor note: The current, 1994
price is $350 Ry] out the door. This is a good deal. Check around. Most 4
meg upgrades run around $600. It arrived a week later even though it was
ordered UPS second day. When ordering things from remote outposts of our
country, I always order everything UPS second day...that way you are
reasonable sure it will arrive during your lifetime. I guess the Christmas
shipping glut slowed things down but it did show up. I un-boxed it and there
it was. The Board looks good...good quality. The little chips were all
there. 32 of them smiled up at me. Now for the instructions. Lets
see...there is the shipping list and there is a picture of the board and...no
instructions. Maybe they are on a piece of spy type microfilm. Nope, the
picture is the message. Actually, it's not so bad. It only goes in one way.
That brings me to another important point. This upgrade only fits SOME of the
1040 boards. They will discuss which ones with you on the phone but you have
to take apart the 1040 before you can tell them how its configured. I had an
"A" revision so it fit ok. You have to remove the MMU (a large square IC).
To do this you pry it out. You have to have something like a dental tool or a
small awl to do this. And you have to be careful. Best Electronics has more
MMU chips should you need one after this operation. Mine came out hard. Now
you put this chip on the bottom side of your upgrade board. Orient it like
the picture and push hard. The IC has a little dent (dot) on one side to show
its position. Hard to mess this part up. Now you have to take the board and
push it into the old MMU socket. This is pretty easy too. You can see inside
the socket when you are done to make sure the metal pins are aligned with the
socket contacts. Next we have our first problem. You have to plug a cable
into the Video Shafter I mean shifter socket. You have to unplug this chip.
You can pry it out. I used an IC extractor I own. This chip plugs into the
top of the new plug. The problem is...the shield won't fit back down because
the cable has to exit the area. I cut part of the shield off. Easy for me as
I have a metal nibbler. This could present a problem for the less well
equipped. Now the cable can snake into the shielded area. Its ready to
reassemble. Whoops...the main shield won't go on anymore (hits the RAM
chips). Out comes the nibbler. A BIG section of the shield needs to be
removed. Reassembly continues. Whoops again. The keyboard won't fit flat.
This means the case won't quite go back together. I worked around this. The
case has about a quarter inch gap at the front. I find some plastic spacers
(you could make some out of a ball point pen body) and some longer sheet metal
type screws. To cover the gap I cut a piece of plastic electricians tape. It
looks good! Its tight. Testing time. The moment of truth. Have I ruined a
perfectly good computer. It comes on. No smoke...no strange noises. I'm
bold so I boot up the HD and everything. Like I know its going to work.
Initially, you can't tell if anything is different. This is good. This means
at least it still works about the same as it did before you attacked it. We
run the memory check utility AERCO supplied. Holy caped crusader...4 MEGS of
RAM! Its working. I'm ecstatic. I eat a donut. How do I like it? It's
been just great. As an example of how neat it is...using Flash I go online to
DL messages off Compuserve and Genie. (Usually, I fill up the capture buffer
at least once during a session) I forget the 4 Meg is there and am getting
the messages while doing business paperwork. I glance at the capture buffer.
It reads 3 percent...it doesn't change. I think "Oh NO...something is
wrong...the capture isn't working...dang it" Not my exact words. But
everything IS ok. The capture buffer is so HUGE that what would normally fill
it up takes about 10 percent of the one I have now. I made a 2 MEG RAM disk
just for fun. I can rule the world...at least for now.
Summary: the price is right. Its a hassle to get it in and indeed, it
won't fit. They don't tell you this and I can not remember anyone in any
review mentioning this fact. There is no way this can be considered a plug
and go operation. But for about $1200.00 [editor note: currently priced at
$600 Ry]. I now have a 4 MEG computer. (This price includes the base ST
unit, both monitors, an SF 314 DS disk drive, and the upgrade. Time spent on
the upgrade was about 2 hours. A lot of this was time spent cursing and could
be called non-productive. Bottom line: It was worth it.
[Editor's note: The AERCO board is the memory upgrade of choice for the early
ST, without internal floppy drive. The memory upgrade for the STF and STFM,
both with internal floppy drives, is the XtraRAM Deluxe. The XtraRAM Deluxe
is high profile and thus will only find in those spacious ST models. It uses
SIMMs and can be easily upgraded to 1, 2.5, and 4 MEGs of total ST RAM.
STeve's Atari Sales carry both memory boards. If you want professional
installation, STeve's can do it for you at $25. For the AERCO board, AERCO
charges a $40 installation fee for the 4 MEG configuration. STeve's charges
$50 for the installation of the 4 MEG configuration. Ry]
Upgrade and chips from:
STeve's Atari SALES!
Order line: (800) 487-7753 STeve's Atari SALES!
Info Line: (916) 661-3328 5 West Street
24Hour BBS: (916) 661-1538 Woodland, CA. 95695
Fax Line: (916) 661-1234 Your 'PROUD' Atari Dealers
Aerco
Box 18093
Austin TX 78760-8093
Phone: 512-451-5874
The author:
John Damiano
Transierra Technology
Madera CA
74575,60 Compuserve
Rhinobreath Genie