Acer Labs: M3135 ALi CAT/32 (or possibly the M3141??) M3145 ALi CAT/64 3CEh index 0Eh (R/W): bit 2-3 Video memory. 0: 256K, 1: 512K, 2: 1Mb, 3: 2Mb 3CEh index 0Fh (R/W): bit 7 Set to enable 64K banking 3CEh index 10h (R/W): bit 0-? Write Bank in units of 64K 3CEh index 11h (R/W): bit 0-7 Read Bank in units of 64K 3CEh index 17h (R/W): bit 0-? Address of linear frame buffer in units of 1Mb 7 Set to enable the linear frame buffer 3CEh index FFh (R/W): bit 0-7 Write 7 to unlock the extended 3CEh registers 3d4h index 81h (R/W): bit 0-1 CRTC Offset bits 8-9. Bits 0-7 are in 3d4h index 13h 4-5 Display Start Address bits 16-17. Bits 0-15 are in 3d4h index 0Ch,0Dh 3d4h index FFh (R/W): bit 0 Set to unlock the extended 3d4h registers. Video modes: 54h G 640 480 256color 56h G 800 600 16color 57h G 800 600 256color 59h G 1024 768 16color 5Ah G 1024 768 256color 5Bh G 1280 1024 16color 5Eh G 1280 1024 256color 70h G 640 480 32Kcolor 71h G 640 480 64Kcolor 72h G 640 480 16Mcolor 73h G 800 600 32Kcolor 74h G 800 600 64Kcolor 75h G 800 600 16Mcolor 76h G 1024 768 32Kcolor 77h G 1024 768 64Kcolor