xrandr OUTPUT

Screen 0: minimum 320 x 200, current 1440 x 900, maximum 2880 x 1024
VGA connected 1440x900+0+0 (normal left inverted right x axis y axis) 474mm x 296mm
   1600x1024      60.2  
   1280x1024      75.0     60.0  
   1440x900       75.0     59.9*    60.0  
   1280x960       60.0     60.0  
   1360x768       59.8  
   1360x765       60.0  
   1152x864       75.0     75.0     75.0     70.0     60.0  
   1024x768       75.1     75.0     70.1     60.0  
   832x624        74.6  
   800x600        72.2     75.0     60.3     56.2  
   640x480        75.0     72.8     72.8     75.0     66.7     60.0     59.9  
   720x400        70.1  
LVDS connected (normal left inverted right x axis y axis)
   1280x800       60.0 +
   1024x768       60.0  
   800x600        60.3  
   640x480        59.9  
TV disconnected (normal left inverted right x axis y axis)






read-edid output

parse-edid: parse-edid version 1.4.1
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) 82945GM Chipset Family 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 supports 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 successful

parse-edid: EDID checksum passed.

# EDID version 1 revision 3
Section "Monitor"
	# Block type: 2:0 3:fd
	# Block type: 2:0 3:ff
	# Block type: 2:0 3:fc
	Identifier "AL2206W"
	VendorName "ACR"
	ModelName "AL2206W"
	# Block type: 2:0 3:fd
	HorizSync 31-84
	VertRefresh 56-77
	# Max dot clock (video bandwidth) 170 MHz
	# Block type: 2:0 3:ff
	# Block type: 2:0 3:fc
	# DPMS capabilities: Active off:yes  Suspend:yes  Standby:yes

	Mode 	"1680x1050"	# vfreq 59.954Hz, hfreq 65.290kHz
		DotClock	146.250000
		HTimings	1680 1784 1960 2240
		VTimings	1050 1053 1059 1089
		Flags	"-HSync" "-VSync"
	EndMode
	# Block type: 2:0 3:fd
	# Block type: 2:0 3:ff
	# Block type: 2:0 3:fc
EndSection