29/Sep/95: VGADOC4 and WHATVGA 2.00 released Added S3 964 info Added Analog Devices ADV7160/7162 info Added Matrox MGA info Added VESA 2.0 and PCI info Added Alliance and SiS info Split ET3000/4000 info in Tseng.txt 10/Jul/95: Pre-release for VGADOC4 and WHATVGA v1.80 Updated Tseng ET4000/W32, NCR, S3, Mach32 and Avance Logic info Updated WD90c24A info Updated Cirrus CL-GD6440 info Compaq BIOS calls updated Added ATI Mach64 info 18/jan/94: VGADOC3 and WHATVGA 1.50 released. Added Hualon, UMC, Weitek info. Moved Acumos info to the Cirrus (5401/2) section Updated RAMDAC section. Updated Cirrus info, added 543x, 64xx and 62xx series info Added ATI Mach 32 bank switching and display start Added Tseng Et4000W32 and S3 cursor info. Updated Avance Logic, NCR, and OAK info. Added Chips PC-Video info. Added OAK-087 info Updated CGA and Compaq info. Updated XGA info. Updated Realtek info. Added scrolling. Added Cirrus BLIT info Changed RAM DAC info. Added OAK interlace detection. Added Trident and Realtek HiColor modes. Updated checks for S3, Trident and Cirrus. Updated S3 and Trident info. Changed OAK identification. Added info on S3 801/805/928 registers. 4/feb/93: VGADOC2 and WHATVGA v1.00 released. dec/91: VGADOC01 and original WHATVGA released.