Date:      07/14/1998
Product:   SiS 5597, SiS 5598
Subject:   VGA Driver Change Notice - Version 1.09


# Files Name			  

1.  Diskette Version :	
        597109-1.exe,   597109-2.exe,   597109-3.exe,   597109-4.exe,   
        597109-5.exe,   597109-6.exe,   597109-7.exe,   597109-8.exe,
        597109-9.exe,   597109-a.exe,   597109-b.exe                           
2.  CD-Title Version :  597cd109.exe                               
3.  VGA BIOS         :  597v110.32k
    (It is strongly recommended to use V1.10 VGA BIOS and V1.09 VGA driver
     together.)
    

# Change parts from Ver. 1.07c to Ver. 1.09:
(1)  SiS 5597/5598 VGA utility modified.
(2)  SiS 5597/5598 Window NT VGA Driver modified.
(3)  SiS 5597/5598 Windows 95 & 98 VGA Driver modified.
(4)  SiS 5597/5598 Window 3.1 VGA Driver modified.
(5)  SiS 5597/5598 IBM OS/2 VGA Driver modified.


# Files "Readme.txt" and "Release.txt" are both included in the 
   Driver files 
   
  "Readme.txt" describes the Driver Files Contain and Driver Usage,
   Installation method. 

  "Release.txt" describes the Fixed Log of Driver 1.09.

=============================================================
SiS 5597/5598 VGA Driver Modified Log:

<< List of fixed bugs >>

[BIOS]
==============================
Change parts from Ver. 1.07a to Ver. 1.10
(1) Reduce binary size from 48Kb to 32Kb
(2) Add new frame rate setting
(3) Add 640*400*16bpp mode
(4) Modify CRTC parameter for low resolution mode
(5) Fix VBETEST 5.1a NumberOfImagePage problem
(6) Fix 400*300*15bpp threshold issue
(7) Fix extended text mode display problem

[Utility]
==============================
(1) SiS MMPLAY is optional in Windows 95 Setup Utility
    Default is disabled; not to be installed.
(2) 30 Language Setup Utility is supported in the CD-Title Version Driver.

[NT50]
===================================
Support: Pnp function, DDC function, and Power management function

[NT40]
===================================
(1) Fix the screen is abnormal when test the overfly item of WHQL
(2) Fix NT-4.0 Can't install " Flight Simulater " For dos
(3) Adjust refresh rates of 1024*768*true color
(4) Fix Chinese text scrolling too slow in Notepad.  
(5) Fix system shows "brue screen" if you want to open C++Builder/ Component/
    ActiveX.
(6) Support low resolution modes :
    640x400x8bpp/16bppx70ni, 512x384x8bpp/16bppx60ni, 
    400x300x8bpp/16bppx60ni, 320x240x8bpp/16bppx60ni, 
    320x200x8bpp/16bpp/24bppx70ni

[Win95 & 98_2D]
===================================
(1) Fix the screen is abnormal when Run FlipCube and FoxBear items (WHQL)
(2) Adjust refresh rates of 1024*768*true color
(3) Fix system hangs up during changing resolution under 
    Chinese-Simplified Windows 95
(4) Fix the 5597/5598 display driver can't be successfully installed by
    executing Setup.exe under Windows 98.   
(5) Support multiple monitor as the secondary adapter in Windows 98.
(6) Support multiple monitor as the first adapter.

[Win95 & 98_SiSGamma]
===================================

[Win95 & 98_DrawDIB]
===================================
(1) Fix sometimes system hangs up when it is playing Active Movie, 
    then open MS-DOS prompt
(2) Fix the screen is abnormal during Running foxbear & filp cube.

[Win95 & 98_Utility]
=================================== 
New features on the display modes utility
(1) Change color depth on the fly on Win95 OSR2 or latter (16 colors is not included).
(2) Embedded Chinese-Traditional & English support.
(3) Multiple monitors aware on Win98.


[Win31_Utility_SiSMM]
===================================


[Win31_Utility_CenterScreen]
===================================

[Release notes for OS/2]
========================





