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- SVGA SUPPORT QUESTIONS
- ----------------------
-
- Question: What SVGA support is actually provided with OS/2 2.0?
- Answer: The only support that is provided in the shrink wrapped version
- is the ability to switch away from a DOS or OS/2 fullscreen and have the
- current state of your video card saved... and this is only after you have
- turned SVGA ON, and if you have one of the adapters listed in the
- readme..although everyone with a Tseng, Trident, ATI, Headland, or
- Western Digital chipset should try turning SVGA ON at least for a while
- to see if it fixes any unseemly video problems they might be having.
-
- Question: What is the most important thing to remember about turning
- SVGA ON?
- Answer: When you type SVGA ON (as per the README) it must be in a DOS
- full screen session.
-
- Question: For what adapters has DOS + OS/2 fullscreen save/restore been
- tested so far?
- Answer: ATI VGA Wonder XL
- Boca Reseach SVGA
- Orchid Prodesigner II
- STB Powergraph
- Trident 8900C and 8900B
- Video 7 VRAM II
- Paradise VGA Professional
-
-
- Question: Are these the only cards which are "compatable" with OS/2?
- Answer: No. Our support is designed to be generic for the Trident,
- Tseng, ATI, Headland, and Western Digital chipsets. There are likely
- many more cards which work under OS/2 which we havn't even tried.
-
- Question : How do I get my OS/2 desktop to use SVGA?
- Answer: OS/2 does not provide any PM SVGA drivers.. they are available
- from the video board manufacturers. Trident has a set of OS/2
- 2.0 16-bit PM drivers that include seamless windows support and virtual
- desktops. Orchid has 16-bit 2.0 drivers in beta test at the time of this
- writing. There are many OS/2 1.3 drivers which function fine under 2.0.
- Do not be deterred from using a PM display driver labeled for OS/2
- version 1.3
-
-
- Question: What is a virtual desktop?
- Answer: It is a PM display driver that uses all of the adapter's video
- memory to store a desktop that is bigger than what's actually displayed.
-
- So, you could have 1024x1024 of desktop space, with only 640x480 being
- displayed on the screen. You move to other portions of the desktop by
- dragging the mouse to the edge of the screen, which scrolls the desktop.
-
- Because of the way OS/2 is designed, this is an extremely quick operation
- and will be very smooth even on the slowest video cards. The PM driver
- has to be coded to support virtual desktops, and Trident is so far the
- only chipset to support it.
-
- Question: What is Seamless Windows, and can it co-exist with SVGA?
- Answer: Seamless windows is the ability to run Windows 3.x programs on
- the PM desktop. The way it is achieved is by making a "hole" in the PM
- desktop that the seamless windows driver writes into. Special code has
- to be put into both the windows driver and the PM display driver to
- support this. Stone Li from Trident was able to produce 800x600/16
- seamless drivers for Trident in about a week, and has been the only one
- to produce SVGA seamless support so far.
-
-
- Question: I have an ATI 8514 Ultra or Graphics Ultra, does it work under
- OS/2?
- Answer: This card is 100% 8514 register compatible, and OS/2 detects and
- treats it like an 8514. One difference, though, is that you should
- update the video line in your CONFIG.SYS that reads:
- DEVICE=\OS2\MDOS\VVGA.SYS to: DEVICE=\OS2\MDOS\VSVGA.SYS Because OS/2
- detects it as 8514, you can use OS/2's 8514 PM in WinOS2 display drivers
- with no problems.
-
- Question: What is the outlook for OS/2 support for boards based on the S3
- or TI chipsets?
- Answer: Boards which are co-processed are the fastest, but also take the
- longest to develop software for. No manufacturers have announced dates
- yet for support for any of these cards. The more these manufacturers are
- "encouraged" by owners of their cards, the faster the support will
- arrive.
-
- -------------------------------------------------------------------------------
- Thank you for calling the OS/2 2.0 Support Line. Regarding the problem
- reported to the Support Line, we feel that this information may assist
- you in resoloving your problem. If you still require assistance, please
- call 1-800-237-5511, and reference your customer number and problem (PMR)
- number. Your Problem Record Number (PMR) should appear on the cover
- page of this faxed document.