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OSVIVRUF - OS/2 WARP VIDEO QUESTIONS AND ANSWERS
08/27/96
======================================================================
OS/2 Warp Video Questions and Answers
======================================================================
Please Read Entire Document for Full Explanation of Procedures
--------------------------------------------------------------
DESCRIPTION
Commonly asked questions on OS/2 Warp Video.
RESOLUTION
Question 1
----------
How do I change the resolution of the OS/2 Display Drivers in OS/2 Warp?
You can change the resolution for many of OS/2 Display Drivers by
using the System icon. This procedure is described in the README
file located in the root directory where OS/2 is installed.
Question 2
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My OS/2 Warp driver for the S3 964 Video Chipset does not install in
high resolution for Number 9 or Diamond video cards. What should I do?
The OS/2 Warp driver for the S3 964 Video Chipset from Number 9 and
Diamond does not install in high resolution. You must contact
Number 9 or Diamond for assistance.
Question 3
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How do I set the refresh rate for ATI MACH 32 and MACH 64 drivers?
ATI MACH 32 and MACH 64 drivers need to be set for refresh rate and
resolution. It is strongly suggested that users follow the
instructions in the ATI MACH fax from OS/2 Technical Support. To
get the FAX, please call 1-800-IBM-4FAX, and request document 3108.
Question 4
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I've got a new video adapter; can I just change a line in CONFIG.SYS to
have access to it?
No. Using video is a complex process, and you have to go through an
installation procedure in order to make sure the video (display)
adapter and its drivers work. There are actually five drivers needed
to run your display and each of the five has a specific purpose.
You'll need to add each of them. To do so, use the Selective Install
program in the System Setup folder. The following list gives you an
idea of what's involved:
* For full screen OS/2 Warp sessions there is a base video handler
that is established in CONFIG.SYS with a line like SET VIO_XGA=.
* To run your Presentation Manager (PM) sessions there is a
Presentation driver, and the OS2.INI file maintains the
configuration information. Unlike Windows, OS/2 Warp .INI files
aren't text based so even if you know what information to insert
in the file, you can't easily access the file.
* For DOS VDM (virtual DOS machine) sessions, information about your
display is found in a DEVICE= line in CONFIG.SYS.
* For WIN-OS/2 full screen sessions there's a DISPLAY.DRV= line in
the SYSTEM.INI file.
* For running WIN-OS/2 applications on the OS/2 Warp desktop,
there's a statement starting with SDISPLAY= in the SYSTEM.INI file.
Question 5
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What's the difference between interlaced and non-interlaced monitors?
The terms refer to the method used to refresh the monitor screen.
Screens have lines of pixels, which are refreshed (redrawn) at
frequent intervals. The refreshing starts at the top line and moves
to the bottom.
An interlaced monitor refreshes the odd-numbered lines from top to
bottom, and then refreshes the even-numbered lines from top to
bottom. It "interlaces" the process.
A non-interlaced monitor refreshes all the lines each time a refresh
pass occurs and reduces the amount of flicker you might perceive.
______________________________________________________________________
IBM disclaims all warranties, whether express or implied, including
without limitation, warranties of fitness and merchantability with
respect to the information in this document. By furnishing this
document, IBM grants no licenses to any related patents or copyrights.
Copyright (c) 1994, 1995 IBM Corporation. Any trademarks and product
or brand names referenced in this document are the property of their
respective owners. Consult your product manuals for complete trademark
information.