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1993-04-18
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Path: menudo.uh.edu!usenet
From: nrichers@trentu.ca (Nikolaj Peddie-Richers)
Newsgroups: comp.sys.amiga.reviews
Subject: REVIEW: Retina 24-bit graphics board
Followup-To: comp.sys.amiga.graphics
Date: 19 Apr 1993 02:20:26 GMT
Organization: The Amiga Online Review Column - ed. Daniel Barrett
Lines: 546
Sender: amiga-reviews@math.uh.edu (comp.sys.amiga.reviews moderator)
Distribution: world
Message-ID: <1qt29a$er1@menudo.uh.edu>
Reply-To: nrichers@trentu.ca (Nikolaj Peddie-Richers)
NNTP-Posting-Host: karazm.math.uh.edu
Keywords: hardware, graphics, 24-bit, Zorro card, commercial
PRODUCT NAME
Retina 24-bit graphics board
BRIEF DESCRIPTION
High-resolution, 24-bit graphics board for the Amiga 2000/3000/4000
with 1, 2, or 4MB of on-board 32-bit wide RAM. (The 4MB version is tested in
this review.) Comes with a Workbench emulation and VDPaint, a 24-bit paint
program.
COMPANY INFORMATION
Name: MacroSystem Computer GmbH
Address: Friedrich-Ebert-Strasse 85
5810 Witten
Germany
Phone: (+country code) 02302/80391
FAX: (+country code) 02302/80884
DISTRIBUTORS
The card was bought from:
Promigos Switzerland
Mr. H. R. Wenger
Hauptstrasse 37
5212 Hausen bei Brugg
Switzerland
Phone: 011-4156-322132
FAX: 011-4156-322134
BBS: 011-4156-322133
The North American distributor is (thanks to Rudolf Neuhaus for this
information):
MacroSystem US
Mr. Robert Tingley
17019 Smugglers Cove
Mount Clemens, MI 48038
Phone: (313) 263-0095
LIST PRICE
DM 798,- for 4MB version plus shipping and handling; 1 and 2MB are
versions cheaper. Paid sFr. 798,- plus s&h (1 DM = sFr. 0.85, I think).
In American money, that's about $570, subject to variations in the
exchange rate. Your bank can tell you what the exact exchange rate is.
SPECIAL HARDWARE AND SOFTWARE REQUIREMENTS
- Amiga with an empty Zorro II slot.
- Monitor (at least a VGA one recommended) and monitor cable.
- Kickstart 37.175 and Workbench 37.67, or higher.
MacroSystem recommends 1MB Chip RAM, 4MB Fast RAM, and a 100MB SCSI
hard drive. You can run with less, but the recommended minimum
configuration for VDPaint is 5MB RAM and lots of free hard drive space, due
to the size of 24-bit pictures. Plus I recommend a _big_ screen. At high
resolutions, things get small.
COPY PROTECTION
None. The VDPaint version included will run only on the Retina.
MACHINE USED FOR TESTING
- Amiga 3000/25
- 2MB Chip RAM, 8MB Fast RAM, 100MB SCSI HD
- Kickstart 37.175 (2.04) and Workbench 37.71 (2.05)
- Samsung Syncmaster 17-inch multisync monitor
- Retina with 4MB RAM
REVIEW
The following discussion consists of a short introduction, the "ins
and outs" of software and hardware installation, the setup of the Workbench
emulation, and some real-life impressions of the card with the programs I
use. All of it carries personal bias; I bought the Retina for a specific
purpose, and I can tell you how well it lives up to my expectations. That
is, I am not interested in (or capable of) a full technical review of the
card, nor in some general, lofty, can-she-fly-to-the-moon-in-principle kind
of discussion. Furthermore, I have had the card for four days only, and I am
discovering new features all the time. This review is not exhaustive, then.
For a long time, I have wanted to use higher resolutions on my
Amigas. I spend much of my waking life researching and writing philosophy
papers on a bizarre Austrian philosopher called Ludwig Wittgenstein, and I
am tired of flickering, dog-slow overscanned screens on a small monitor. If
you spend entire nights writing, then you certainly know what I mean: the
standard Amiga output, including AGA, doesn't quite do the trick for this
kind of work.
There are a number of Amiga graphics boards on the market; but until
very recently, all of them were aimed at the graphical artist or CAD users.
Often, these boards are very expensive, putting them out of my reach.
Enter the summer of 1992. I was in Switzerland and heard of a
high-resolution board called Domino by XPert systems. I didn't get one in
time, having to leave for Canada before any boards were actually shipped.
Some time later, I heard that the board is actually quite slow, since it
relies on the CPU for blitting operations; it's a "dumb" VGA card with a
Zorro II adapter. But its most interesting feature, besides its
high-resolution, is a so-called Workbench Emulation, which allows the card
to be integrated into the Amiga Workbench environment.
Winter 92-93: through USENET discussions, I get to know Rudolf
Neuhaus, who tells me about a card he bought at a computer show; it's called
"Retina" and does the same as the Domino, but more. In particular, it has
24-bit display modes and comes with its own blitter. It sounds great. In
fact, it sounds so great that I decide to take the plunge and order one
blind through my father in Switzerland in early March. Promigos is
back-ordered, and it takes _three_ shipments from the manufacturer to fill
my order. My card has the serial number 18086, the 102nd Promigos sells.
A 17-inch monitor rounds off my leap into serious Amiga power;
judging by how small things get even on a screen like this, I would
recommend this as a minimum configuration.
Three days ago, my card arrived via courier; the packaging is OK.
Two disks and two manuals are included: one each for the Workbench
emulation and VDPaint. The card itself is quite small, full-length, but
about half-height with relatively few chips on it; my (untrained) eye can
discern some ZIP RAMs, a big NCR chip, which must be the VGA/graphics chip
itself, a memory controller, and EPROMS. The card has a 15-pin VGA socket on
the back. With 4MB, the limit for the Retina, every other ZIP RAM socket is
populated; with 2MB, all sockets are populated, but with lower-density
chips; at 1MB, every other sockets is populated again. All cards are
identical except for the amount of RAM on them; a jumper alters timing
slightly for the different configurations. Most applications don't need 4MB
RAM; it is only once you get into 24-bit graphics work or need to open a
large number of Retina screens under the Workbench emulation that things get
memory-intensive. The card itself is a 32-bit card with a 16-bit Zorro II
interface and connector.
The hardware installation is relatively simple; always ground
yourself to prevent static build-ups, and let a technician do the
installation if you don't trust yourself fully.
[MODERATOR'S NOTE: As the review mentions, do not attempt to
install any hardware device unless you are comfortable and
experienced at doing so. If you are careless, you may void your
warranty or even damage your Amiga. If you are in doubt, have
a professional do the installation. - Dan]
On my Amiga, the warranty seal was broken by CBM itself when they installed
additional memory after I bought the machine directly from CBM Switzerland.
Be aware that opening your machine voids any warranty, at least in some
countries. After unscrewing five screws, the A3000 cover can be slid off,
and the daughterboard with the expansion slots becomes visible. Unscrew one
of the slot covers on the back, and slide the card into the corresponding
empty slot until it sits in the slot firmly. Screw in the one screw that
holds the backplane of the card. On my card, the was a small gap between
the A3000 case and the Retina backplane; to screw it on, I would have had to
bend the metal backplane, the thought of which went against my very soul.
Two small washers from Home Hardware solved the problem, and the card now
fits _perfectly_, much to my delight. I recommend you do not re-assemble
your machine fully until you've successfully installed the included
Workbench emulation and have run it. If you're afraid they'll arrest you
for running a pirate radio station, slide the cover back on.
Once the hardware is installed, you can po