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Chip: Special Tips & Tricks for Windows 95
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readme.txt
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1996-09-11
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miro Computer Products AG 07.12.1995
Version 1.10
Installation of miro drivers for Windows95:
===========================================
Attention: Please don't try to install the miro drivers by running the
install.exe program. Use the 'change display properties' from
your control panel.
This miro Windows 95 drivers are useable for the following miro graphic
adapters in a single screen solution only:
miroCRYSTAL 12SD
miroCRYSTAL 20SD
miroCRYSTAL 22SD
miroCRYSTAL 20SV
miroCRYSTAL 40SV
miroMAGIC 20/40 ergo
miroVIDEO 20SD
miroVIDEO 20SV
miroVIDEO 40SV ergo
Generally dual screen solutions (Twinface) or combinations of miro
graphics boards by itself or in combinations with third partie graphics
boards won't be supported !!!
To install the miro drivers, proceed as follows:
* If you have not done so already, start your computer
* Open the Control Panel
* Click on Display
* Click the Settings folder
* Select Change Display Type... .The Change Display Type windows appears.
Here you can change the graphics board and the monitor type.
* To select another graphics board, click on the "Change" button.
* Click "Have Disk..." To specify the disk drive from which you install
the drivers: default is drive a:\.
Now there will be displayed the following model either
"miro S3 Graphicadapter/PCI", or "miro S3 Graphicadapter/VLB".
In case both options will be displayed, please select the model which
is corresponding to your miro graphics adapter and click "apply".
The computer is restarted. After the restart the new resolutions are
available.
Important hints for the installation:
=====================================
1.) Don't try to use former miro Windows 3.xx drivers for Windows 95.
In case you tried to use these drivers make sure that all former
miro Windows 3.xx drivers and entries in your SYSTEM.INI file are removed.
In the SYSTEM.INI you have to remove the complete entries in the section
[928.drv], [Twin.right] and [Twin.left]. Delete in your Win95 the follo-
wing files if available:
Del \\OEMMAGS4.*
Del \\OEMRAIN.*
Del \\OEMCR32S.*
Del \\OEMCR24S.*
Del \\OEMCR16S.*
Del \\OEMC16SI.*
Del \\OEMCR8S.*
Del \\OEMC10SD.*
Del \\OEMC20SD.*
Del \\OEMC20SV.*
Del \\OEMC40SV.*
Del \\OEMMAG40.*
Del \\OEMMAG20.*
Del \\OEMC20TW.*
Del \\OEMBIBO*.*
Del \\MAGS4*.DRV
Del \\RAIN*.DRV
Del \\CR32S*.DRV
Del \\CR24S*.DRV
Del \\CR16S*.DRV
Del \\C16SI*.DRV
Del \\C8S*.DRV
Del \\1SD*.DRV
Del \\C20SD*.DRV
Del \\C20SV*.DRV
Del \\C40SV*.DRV
Del \\M20*.DRV
Del \\M40*.DRV
Del \\TW10*.DRV
Del \\TW20*.DRV
Del \\TWIN.DRV
Del \\OCTO.MON
Del \\OCTOVGA.*
Del \\MAGIC_S4.BMP
Del \\RAIN_WIN.BMP
Del \\MINFO.TXT
Del \\MWINTOOL.INI
Del \\MSUP*.*
Del \\MONSEL.*
Del \\VIRTDLL.DLL
Del \\MFONTCOM.EXE
Del \\MIROSCOP.EXE
Del \\MIROHOOK.DLL
Del \\MSCOPE*.HLP
Del \\MPWRSAVE.SCR
Del \\TWIN*.*
Del \\MTINT*.*
Del \\MSIZE*.*
Del \\WSIZER.*
Del \\WADJUST.*
Del \\MIROLOGO.RLE
Delete the miroWINTOOL group and the includes icons
on your Windows95 desktop too !!!
2.) In case you are using a miro monitor or a common model please install
a new monitor file. This monitor.inf file is on this installation disk.
Make sure that there is no older OEM*.INF monitor file in your Win95\INF
subdirectory. This subdirectory is hidden, but you can make it visible
by entering the DIR /a command. All INF files are ASCII files and you
can read these files with every editor, so please make sure that you
don't delete needed INF files. Look into the file before you delete it !!!
If you are using the miro monitor files of the original Windows 95 CD,
please use the miro monitor file of this disk.
3.) Everytime you install new display drivers in Windows 95 a new OEM*.INF
file will be copied into your WIN95\INF subdirectory. Windows 95 doesn't
remove the old *.inf files. Make sure that only the specified OEM*.INF
file is available. This could prevent many problems!
4.) Remember that all miroVIDEO graphics boards (VIDEO 20SD, VIDEO 20SV,
VIDEO 40SV ergo) need an IRQ
5.) In case Windows 95 doesn't start VLB computers, you can change the base-
address for the linear memory adressing:
System.ini:
[Display]
LinBase=<Addresse>
i.e. 40320, 60000, or 104858
6.) For miroVIDEO graphics boards (VIDEO 20SD, VIDEO 20SV, VIDEO 40SV ergo)
you can switch the hardware scaler off or improved.
The entry are as follows:
System.ini
[Display]
VideoStretch=<Value>
Standardvalues:
greatest security : 257
best video + security : 259
best optic + security : 771
greatest performance : 261 <standard>
best optic + performance : 775
The Value can be calculated as follows:
[0 / 1] for DIB scaling by hardware [off / on]
+ [0 / 2] for DIB interpolation by hardware [off / on]
+ [0 / 4] for DIB scaling parameteradaption [off / on]
+ [0 / 256] for DDB scaling by hardware [off / on]
+ [0 / 512] for DDB interpolation by hardware [off / on]
7.) A DIB-engine driver is not usable for Video for Windows, but the
optimized drivers can be fully used, if the Pinboard will set the
entries depending on the selected display mode in the Win.ini file.
->If possible start the Pinboard always starting Windows 95. The Pinboard
will correct the entries of Video for Windows automaticly.
8.) Using the miro Pinboard it could happen that, the switching from the
virtual modes into the real modes doesn't work at once. In this case we
recommend to switch first into the real mode resolution (640 x 480) and
after this into a higher resolution.
9.) For the miroCRYSTAL 20SV the highest resolution of 1408 x 1024 in 8 bit
is in Windows 95 at this time not available. This resolution will be
available with the next driver update. t couls happen that a resolution
will be offered in the Controlpanel, but you can't switch to this reso-
lution. This means Windows 95 will fall back to the earlier resolution.
10.) During the installation of a miroVIDEO 20SD in Windows 95 it could happen
that both busadapter versions will be displayed. Make sure that you select
the right businterface, that means either PCI, or VLB, depending of the
businterface of your miro graphics board. Otherwise the miro graphics
board can't be installed for Windows 95 and the drivers doen't work.