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1997-04-16
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Hyperscreen-extension by the ST-Magazin. Facts and hints !
To work with the Hyperscreen-extension you must open your ST and
install a little hardware-extension.This is a transistor and some
diods.These things must be installed,but be CAREFUL:
The installation should be done by somebody having the right tools
(e.g. soldering apparatures) and the neccessary knowledge.To
install you also need some literature,for eample (ATARI ST INTERN
Band 1,Data Becker or ATARI ST PROFIBOOK ,Sybex).This test should
be another mean for your mounting.You also need the article
included in the issue of the ST Magazin !
After opening your ST and removing the screening (520 ST and
1040 ST also removing the keyboard) you'll have to search the
chip called GLUE as said in the installation-guidance ( ST
Magazin ,issue 5/89 ) and cut the wire with a sharp knife ! You
solde to wires on this first wire ( to connect the switchkey ).
After this you must solde again one wire on the HSYNC- and one
wire on the VSYNC-wire also explained in the instructions.
You also need some power for this electronic.Therefore we need
about +/- 5 Volt you can get from the, in the ST included ,TTL-
chip. PIN number 5 for the power (+5 Volt) and PIN number 7 for
the ground.Then there are three possibilities to construct the
Hyperscreen-extension:
(1) We construct some free wires and wind them within some
stickingribbon.Then you must stick them for example to the intern
diskdrive !
(2) You put these few parts on a raster platine and stick it
somewhere !
(3) We make a rasterplatine ( as shown in the picture ,you can
find on this disk ( IMG-File and PCB-Layout-File ) ) , put the
parts on and stick it somewhere.Another Picture ( Degas ) shows
the PINs of the Overscan-platine.
The best solution is a little platine.Then we have to connect all
the wires and also install the switchkey.Last but not least you
must fix the switchkey to the ST-box.
Now we can mount the ST and start him again.Everything should
happen as before.Put the Hyperscreen-startup-disk ( Odernumber
30905 or 30907 ( 29.90 DM) ,Markt und Technik,Hans Pinselstraße
2,8013 Haar bei München) into the drive one and move the Hyper-
screen program into the AUTO-organizer of the startup-disk or of
the harddisk.All the ST Magazin subscribers can get the latest
Hyperscreen-software on the yeardisk 1989/90.
Ok,let's reset the ST and use the new switchkey to go in the
Hypermode ..... all rigth,now you should see a bigger screen ,
not initialized but ready.After loading the AUTO-organizer
programs and the ACC's the GEM-desktop will have to appear.
Let's come to focus the Hyperscreen:
The monitor must be focused that also the high resolution and
the new Hyperresolution appear in the middle of the screen !
Appearing problems can be solved by focussing the software on an
colour or black and white monitor ! Therefore we need a MEGAMAX
II Compiler to reset the installed resolution.
The latest version of the Hyperscreen-software (version 1.6) is
able to change this after starting the software by holding the
SHIFT-Key. After this you can change and safe everything within a
little menue !
Now we can change the software for every monitor and also change
the position of the screen after opening the monitor and using
the cursorkeys ( CAUTION: HIGHPOWER !!!!! These things should
be managed by an authorized person e.g. a service men who has got
the special litarature !) !
That's it,the Hyperscreen is installed and working correct ( I
hope so ! ) and we want to test which programs doesn't want to
work with this new BIG screen.RESET the machine again and use the
switchkey ! After booting we see our ST with a new and somehow
bigger face (screen!).Programs as CALAMUS,CAMPUS CAD or TECHNOCAD
, EDISON,1ST WORDPLUS,That's Write,ADIMENS 2.3,A-Copy 1.2p and
much more work without any problem.Also the new PC-SPEED (version
1.25 and 1.26) works in the normal way !
But there are also some programs which don't like the new screen.
In most cases you're able to load the programs but afterwards
they'll effect in a systemcrash or some other bad effects.All the
programs which are able to work with a 'big monitor' also run
correctly in the Overscanmode.These are the most Textsystems,DTP-
and CAD-programs and some tools.
Some days ago we got the latest update of the Overscansoftware
(OVERSCAN.PRG version 1.6) which is much more comfortable and
also more compatible ! After booting and holding the SHIFT-key
you arrive in a system menue and you can change the new
montiorsize,the three resolutions and safe these new focusations.
Then you can start the system and after a 'gong',all changes are
made.We're also able to see all the ACC-news.
The key 'alternate+help' does have no use.In the earlier versions
this combination will have the effect of cleaning the screen !
Hardcopies and screendumps on disk are again possible.
All the people who don't have the money to buy a big monitor,
but also want to have one ... no three new resolutions and which
work with DTP- and CAD-programs should try to get this new
extension.But you must also know that opening the ST within the
first half year will erase all the guarantie and the focusation
on the monitor should be done by somebody who knows this job.
I myself use this extension most of the time and this article was
written with 1ST WORDPLUS in connection with the new Hyperscreen!
While writing another version of the Overscan construction
appeared which has got some more functions and is also more
compatible then the first ones.GFA-Basic does his work correctly
and you can work with it.The next issue will bring you a solution
to load 32000 Bytes pictures ( Degas and Pic-Format ) on this new
Hyperscreen-extension.
Again we want to say that the firm 'Markt und Technik' has got
all rights and these rights must be attended.
Article written by GSt