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ASUS P2B-D2 User’s Manual104
4. In all modes, video corruption or out-of-sync screen is displayed when using
Alt+Esc to switch between WIN-OS/2, OS/2, and DOS window and full-screen
sessions started from the Startup folder. To avoid this situation, do not start ses-
sions from the Startup folder or press Alt+Esc several times to restore.
5. Some programs, such as WINBENCH95, WINBENCH96, and After Dark 3.0,
were written specifically for the Windows environment. In the Windows envi-
ronment, these programs prevent any keystrokes from interfering with their proper
execution. However, in the OS/2 environment, it is possible to switch context
away from the Windows session without notifying these programs. General
Protection Faults (GPFs) may result. Therefore, context switching during the
execution of WINBENCH95 and WINBENCH96 tests is not recommended.
Also, context switching during the execution of the After Dark 3.0 demo is not
recommended.
6. When attempting to start a WIN-OS/2 session from an OS/2 Full Screen session
by typing "WIN" or "WINOS2" at the command prompt, it will not execute with
the settings needed to support WIN-OS/2, and will result in video corruption
and/or a system lockup. It is recommended that the user launch all Windows
sessions via one of the WIN-OS/2 icons located in the "Command Prompts"
folder within the "OS/2 System" icon.
7. When attempting to start a WIN-OS/2 session from a DOS Full screen or DOS
Window by typing the "WIN" or WINOS2" command, the user must first be
sure that the video settings of the session are changed to enable this feature.
These settings can be changed using the following procedure:
a) Place mouse pointer over the DOS Full Screen icon (or any DOS session
icon you want to alter). Press mouse button 2 (MB2), the right button, to bring
up a context sensitive menu.
b) Place mouse pointer over "Setting" and press MB1. Next, place mouse pointer
over the tab labeled "Session" and press MB1 again.
c) Use MB1 to chose the "DOS Setting" button.
d) Use MB1 to chose the "DOS video settings" option, and then click OK.
e) From the list of settings which appear ensure that
"VIDEO_8514A_XGA_IOTRAP" is switched OFF, AND
"VIDEO_SWITCH_NOTIFICATION" is switched to ON, then "save" these
settings using MB1.
IBM OS/2
IBM OS/2
A. VGA Driver