11/29/94

[S3 GUIVGA UTILITY]

SMODE.EXE :

Note:       If you use SMODE.EXE to change video mode to " Standard VGA Modes "
        and text modes of " S3 Video Modes ", the screen will show the message,
        but if you change to the others, the screen will NOT show the message !!

            So, if you want to change mode and refresh rate at a time, we
        recommend you to set refresh rate first by using REFRESH.EXE, then use
        SMODE.EXE to change to the mode you want.

REFRESH.EXE :
        Before you use REFRESH.EXE, please refer to the following tables !


        *************************************************************
  BIOS for 60ns DRAM
                                  1MB DRAM
                                 ==========
Ŀ
VFrq 640 X 480  800 X 600 1024 X 768 1280 X 10241152 X 8641600 X 1200
Ĵ
56HzX X X X     X X  X  X    X    X      X          X     
Ĵ
60Hz              X    X  X         X                 X     
Ĵ
70HzX X X X X X X X    X  X    X    X      X          X     
Ĵ
72Hz             X X  X  X         X      X          X     
Ĵ
75Hz             X    X  X         X      X          X     
Ĵ
87HzX X X X X X X X    X  X         X      X          X     

        X = The modes are not supported.
         = The Vertical Frequency is automatically transfered to 60Hz.


                                  2MB DRAM
                                 ==========
Ŀ
VFrq 640 X 480  800 X 600 1024 X 768 1280 X 10241152 X 8641600 X 1200
Ĵ
56HzX X X X      X  X  X    X    X      X          X     
Ĵ
60Hz                                                  *     
Ĵ
70HzX X X X X X X X            X    X      X          X     
Ĵ
72Hz              X X  X  X                X          X     
Ĵ
75Hz              X                        X          X     
Ĵ
87HzX X X X X X X X                        X          X     

        X = The modes are not supported.
         = The Vertical Frequency is automatically transfered to 60Hz.
        * = 49.5Hz (Interlaced mode)


        *************************************************************
  BIOS for 70ns DRAM
                                  1MB DRAM
                                 ==========
Ŀ
VFrq 640 X 480  800 X 600 1024 X 768 1280 X 10241152 X 8641600 X 1200
Ĵ
56HzX X X X     X X  X  X    X    X      X          X     
Ĵ
60Hz              X    X  X         X                 X     
Ĵ
70HzX X X X X X X X    X  X    X    X      X          X     
Ĵ
72Hz           X X  X  X         X      X          X     
Ĵ
75Hz           X    X  X         X      X          X     
Ĵ
87HzX X X X X X X X    X  X         X      X          X     

        X = The modes are not supported.
         = The Vertical Frequency is automatically transfered to 60Hz.


                                  2MB DRAM
                                 ==========
Ŀ
VFrq 640 X 480  800 X 600 1024 X 768 1280 X 10241152 X 8641600 X 1200
Ĵ
56HzX X X X      X  X  X    X    X      X          X     
Ĵ
60Hz                                                  *     
Ĵ
70HzX X X X X X X X            X    X      X          X     
Ĵ
72Hz            X X  X  X                X          X     
Ĵ
75Hz            X                 #      X          X     
Ĵ
87HzX X X X X X X X                        X          X     

        X = The modes are not supported.
         = The Vertical Frequency is automatically transfered to 60Hz.
        * = The Vertical Frequency is 49.5Hz (Interlaced mode)
        # = The Vertical Frequency is automatically transfered to 72Hz.



[S3 Video Modes]

 Mode   Screen     Bits/Pixel   Sweep   Refresh Rate    Dot Clock
 (Hex) Resolution               (KHz)      (Hz)          (MHz)
------ ----------  ----------   -----   ------------    ---------
 120   1600x1200       8         62        43(I)         65.000x2
                                             |
                                             
                                           49.5(I) (real value)
