michal@michal-laptop:~$ xrandr --verbose Screen 0: minimum 320 x 200, current 1280 x 800, maximum 1280 x 1280 VGA disconnected (normal left inverted right x axis y axis) Identifier: 0x4b Timestamp: 507177 Subpixel: unknown Clones: CRTCs: 0 1 LVDS connected 1280x800+0+0 (0x4e) normal (normal left inverted right x axis y axis) 0mm x 0mm Identifier: 0x4c Timestamp: 507177 Subpixel: horizontal rgb Clones: CRTC: 1 CRTCs: 1 BACKLIGHT_CONTROL: native supported: native legacy combination kernel BACKLIGHT: 0 (0x00000000) range: (0,0) 1280x800 (0x4e) 69.1MHz h: width 1280 start 1301 end 1333 total 1408 skew 0 clock 49.1KHz v: height 800 start 804 end 808 total 816 clock 60.2Hz 1280x800 (0x4f) 83.5MHz h: width 1280 start 1344 end 1480 total 1680 skew 0 clock 49.7KHz v: height 800 start 801 end 804 total 828 clock 60.0Hz 1280x768 (0x50) 80.1MHz h: width 1280 start 1344 end 1480 total 1680 skew 0 clock 47.7KHz v: height 768 start 769 end 772 total 795 clock 60.0Hz 1152x768 (0x51) 65.0MHz +HSync +VSync h: width 1152 start 1178 end 1314 total 1472 skew 0 clock 44.2KHz v: height 768 start 771 end 777 total 806 clock 54.8Hz 1024x768 (0x52) 94.5MHz +HSync +VSync h: width 1024 start 1072 end 1168 total 1376 skew 0 clock 68.7KHz v: height 768 start 769 end 772 total 808 clock 85.0Hz 1024x768 (0x53) 78.8MHz +HSync +VSync h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.0KHz v: height 768 start 769 end 772 total 800 clock 75.0Hz 1024x768 (0x54) 75.0MHz -HSync -VSync h: width 1024 start 1048 end 1184 total 1328 skew 0 clock 56.5KHz v: height 768 start 771 end 777 total 806 clock 70.1Hz 1024x768 (0x55) 65.0MHz -HSync -VSync h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz v: height 768 start 771 end 777 total 806 clock 60.0Hz 832x624 (0x56) 57.3MHz -HSync -VSync h: width 832 start 864 end 928 total 1152 skew 0 clock 49.7KHz v: height 624 start 625 end 628 total 667 clock 74.6Hz 800x600 (0x57) 56.3MHz +HSync +VSync h: width 800 start 832 end 896 total 1048 skew 0 clock 53.7KHz v: height 600 start 601 end 604 total 631 clock 85.1Hz 800x600 (0x58) 50.0MHz +HSync +VSync h: width 800 start 856 end 976 total 1040 skew 0 clock 48.1KHz v: height 600 start 637 end 643 total 666 clock 72.2Hz 800x600 (0x59) 49.5MHz +HSync +VSync h: width 800 start 816 end 896 total 1056 skew 0 clock 46.9KHz v: height 600 start 601 end 604 total 625 clock 75.0Hz 800x600 (0x5a) 40.0MHz +HSync +VSync h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz v: height 600 start 601 end 605 total 628 clock 60.3Hz 800x600 (0x5b) 36.0MHz +HSync +VSync h: width 800 start 824 end 896 total 1024 skew 0 clock 35.2KHz v: height 600 start 601 end 603 total 625 clock 56.2Hz 640x480 (0x5c) 36.0MHz -HSync -VSync h: width 640 start 696 end 752 total 832 skew 0 clock 43.3KHz v: height 480 start 481 end 484 total 509 clock 85.0Hz 640x480 (0x5d) 31.5MHz -HSync -VSync h: width 640 start 664 end 704 total 832 skew 0 clock 37.9KHz v: height 480 start 489 end 492 total 520 clock 72.8Hz 640x480 (0x5e) 31.5MHz -HSync -VSync h: width 640 start 656 end 720 total 840 skew 0 clock 37.5KHz v: height 480 start 481 end 484 total 500 clock 75.0Hz 640x480 (0x5f) 25.2MHz -HSync -VSync h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz v: height 480 start 490 end 492 total 525 clock 59.9Hz 720x400 (0x60) 35.5MHz -HSync +VSync h: width 720 start 756 end 828 total 936 skew 0 clock 37.9KHz v: height 400 start 401 end 404 total 446 clock 85.0Hz 640x400 (0x61) 31.5MHz -HSync +VSync h: width 640 start 672 end 736 total 832 skew 0 clock 37.9KHz v: height 400 start 401 end 404 total 445 clock 85.1Hz 640x350 (0x62) 31.5MHz +HSync -VSync h: width 640 start 672 end 736 total 832 skew 0 clock 37.9KHz v: height 350 start 382 end 385 total 445 clock 85.1Hz TV disconnected (normal left inverted right x axis y axis) Identifier: 0x4d Timestamp: 507177 Subpixel: unknown Clones: CRTCs: 0 1 BOTTOM: 37 (0x00000025) range: (0,100) RIGHT: 46 (0x0000002e) range: (0,100) TOP: 36 (0x00000024) range: (0,100) LEFT: 54 (0x00000036) range: (0,100) TV_FORMAT: NTSC-M supported: NTSC-M NTSC-443 NTSC-J PAL-M PAL-N PAL root@michal-laptop:/# get-edid | parse-edid >intel_parsed-edid.out 2>intel_parsed-edid.err get-edid: get-edid version 1.4.1 Performing real mode VBE call Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0 Function supported Call successful VBE version 300 VBE string at 0x11110 "Intel(r)915GM/910ML/915MS Graphics Chip Accelerated VGA BIOS" VBE/DDC service about to be called Report DDC capabilities Performing real mode VBE call Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0 Function supported Call successful Monitor and video card combination does not support DDC1 transfers Monitor and video card combination does not support DDC2 transfers 0 seconds per 128 byte EDID block transfer Screen is not blanked during DDC transfer Reading next EDID block VBE/DDC service about to be called Read EDID Performing real mode VBE call Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0 Function supported Call failed The EDID data should not be trusted as the VBE call failed Error: output block unchanged root@michal-laptop:/# get-edid | hd get-edid: get-edid version 1.4.1 Performing real mode VBE call Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0 Function supported Call successful VBE version 300 VBE string at 0x11110 "Intel(r)915GM/910ML/915MS Graphics Chip Accelerated VGA BIOS" VBE/DDC service about to be called Report DDC capabilities Performing real mode VBE call Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0 Function supported Call successful Monitor and video card combination does not support DDC1 transfers Monitor and video card combination does not support DDC2 transfers 0 seconds per 128 byte EDID block transfer Screen is not blanked during DDC transfer Reading next EDID block VBE/DDC service about to be called Read EDID Performing real mode VBE call Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0 Function supported Call failed The EDID data should not be trusted as the VBE call failed Error: output block unchanged