edid-decode "/sys/class/drm/card0-VGA-1/edid": EDID (hex): 00ffffffffffff0020a9f012ef630000 25080100281a1300e80672a0574d9924 10484fa5580001010101010101010101 01010101010101010101010101010101 01010101010101010101010101010101 01010101010101010101010101010101 01010101010101010101010101010101 01010101010101010101010101010009 Extracted contents: header: 00 ff ff ff ff ff ff 00 serial number: ... version: 01 00 basic params: 28 1a 13 00 e8 chroma info: 06 72 a0 57 4d 99 24 10 48 4f established: a5 58 00 standard: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 1: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 2: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 3: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 descriptor 4: 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 extensions: 00 checksum: 09 EDID version: 1.0 Manufacturer: HEI Model 12f0 Serial Number ... Analog display, Input voltage level: 0.714/0.286 V Sync: Separate Maximum image size: 26 cm x 19 cm Gamma: 1.00 DPMS levels: Standby Suspend Off RGB color display Display x,y Chromaticity: Red: 0.6250, 0.3398 Green: 0.3017, 0.5996 Blue: 0.1416, 0.0654 White: 0.2812, 0.3105 Established timings supported: 720x400@70Hz 9:5 HorFreq: 31469 Hz Clock: 28.320 MHz 640x480@60Hz 4:3 HorFreq: 31469 Hz Clock: 25.175 MHz 640x480@75Hz 4:3 HorFreq: 37500 Hz Clock: 31.500 MHz 800x600@60Hz 4:3 HorFreq: 37900 Hz Clock: 40.000 MHz 800x600@75Hz 4:3 HorFreq: 46900 Hz Clock: 49.500 MHz 1280x768i@87Hz 5:3 HorFreq: 35522 Hz Clock: 44.900 MHz 1024x768@60Hz 4:3 HorFreq: 48400 Hz Clock: 65.000 MHz Standard timings supported: Detailed mode: Clock 2.570 MHz, 1 mm x 257 mm 1 2 3 258 hborder 1 1 1 18 258 vborder 1 -hsync -vsync analog composite VertFreq: 38 Hz, HorFreq: 9961 Hz Detailed mode: Clock 2.570 MHz, 1 mm x 257 mm 1 2 3 258 hborder 1 1 1 18 258 vborder 1 -hsync -vsync analog composite VertFreq: 38 Hz, HorFreq: 9961 Hz Detailed mode: Clock 2.570 MHz, 1 mm x 257 mm 1 2 3 258 hborder 1 1 1 18 258 vborder 1 -hsync -vsync analog composite VertFreq: 38 Hz, HorFreq: 9961 Hz Detailed mode: Clock 2.570 MHz, 1 mm x 257 mm 1 2 3 258 hborder 1 1 1 18 258 vborder 1 -hsync -vsync analog composite VertFreq: 38 Hz, HorFreq: 9961 Hz Checksum: 0x9 (valid) EDID block does not conform at all! Bad year of manufacture