OS/2 V2.0 Presentation Manager Driver for ET4000/Clock 2 chip ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³ Beta Release ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ This OS/2 driver extends the resolution and color of OS/2 V2.0 for VGA cards based on Tseng ET4000 Chip and TsengLabs International's Clock 2 clock chip or compatible clock chips. Due to OS/2 requirements, clock chips with different video frequency table may not work with this driver. Drivers for other clock frequency specifications will be available in the future. This driver supports the following: 640x480 256 colors: 60Hz/72Hz 800x600 16/256 colors: 56Hz/60Hz/72Hz 1024x768 16/256 colors: 43.5Hz/60Hz/70Hz Installation Procedure: 1. Backup DISPLAY.DLL of \OS2\DLL directory. (DISPLAY.DLL is the 16-color driver of standard OS/2). 2. Boot up your PC with the OS/2 V2.0 diskette. 3. Copy the appropriate driver to your hard disk under \OS2\DLL directory as follows: A. Copy ET4000PM.DLL of this diskette to \OS2\DLL directory. B. Copy "*.DLL" file to \OS2\DLL directory and rename it to "DISPLAY.DLL"; "*.DLL" stands for one of the following files: - 2E.DLL ( 640x480, 256 colors) - 29.DLL ( 800x600, 16 colors) - 30.DLL ( 800x600, 256 colors) - 37.DLL (1024x768, 16 colors) - 38.DLL (1024x768, 256 colors) C. Copy "*.CFG" to \OS2\DLL directory and rename it to "DISPLAY.CFG"; where "*.CFG" stands for one of the following files: - 2E60.CFG ( 640X480-256 COLORS/60Hz) - 2E72.CFG ( /72Hz) - 2956.CFG ( 800X600- 16 COLORS/56Hz) - 2960.CFG ( /60Hz) - 2972.CFG ( /72Hz) - 3056.CFG ( 800X600-256 COLORS/56Hz) - 3060.CFG ( /60Hz) - 3072.CFG ( /72Hz) - 3743.CFG (1024X768- 16 COLORS/43.5Hz) - 3760.CFG ( /60Hz) - 3770.CFG ( /70Hz) - 3843.CFG (1024X768-256 COLORS/43.5Hz) - 3860.CFG ( /60Hz) - 3870.CFG ( /70Hz) Example: to select 1024x768-256 color/43.5Hz 1. Copy C:\OS2\DLL\DISPLAY.DLL C:\640_16.DLL (Assumeing that your \OS2\DLL\DISPLAY.DLL is located in drive C. This backup procdure needs only to be done once). 2. Insert driver diskette into Drive A Copy A:\ET4000PM.DLL C:\OS2\DLL\ET4000PM.DLL 3. Copy A:\38.DLL C:\OS2\DLL\DISPLAY.DLL 4. Copy A:\3843.CFG C:\OS2\DLL\DISPLAY.CFG