An EIZO CE240W doesn't support ddc at all...
My Hanns-G HH241 works fine.
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A Sun Microsystems 24.1" LCD v4 works fine and gives these results: sudo ddccontrol -p ddccontrol version 0.4.2 Copyright 2004-2005 Oleg I. Vdovikin (oleg@cs.msu.su) Copyright 2004-2006 Nicolas Boichat (nicolas@boichat.ch) This program comes with ABSOLUTELY NO WARRANTY. You may redistribute copies of this program under the terms of the GNU General Public License. Probing for available monitors...I/O warning : failed to load external entity "/usr/share/ddccontrol-db/monitor/SUN059A.xml" Document not parsed successfully. .... Detected monitors : - Device: dev:/dev/i2c-3 DDC/CI supported: Yes Monitor Name: VESA standard monitor Input type: Digital (Automatically selected) Reading EDID and initializing DDC/CI at bus dev:/dev/i2c-3... I/O warning : failed to load external entity "/usr/share/ddccontrol-db/monitor/SUN059A.xml" Document not parsed successfully. EDID readings: Plug and Play ID: SUN059A [VESA standard monitor] Input type: Digital =============================== WARNING =============================== There is no support for your monitor in the database, but ddccontrol is using a basic generic profile. Many controls will not be supported, and some controls may not work as expected. Please update ddccontrol-db, or, if you are already using the latest version, please send the output of the following command to ddccontrol-users@lists.sourceforge.net: LANG= LC_ALL= ddccontrol -p -c -d Thank you. =============================== WARNING =============================== = VESA standard monitor > Color settings > Brightness and Contrast > id=brightness, name=Brightness, address=0x10, delay=-1ms, type=0 supported, value=68, maximum=100 > id=contrast, name=Contrast, address=0x12, delay=-1ms, type=0 supported, value=50, maximum=100 > Color maximum level > id=red, name=Red maximum level, address=0x16, delay=-1ms, type=0 supported, value=100, maximum=100 > id=green, name=Green maximum level, address=0x18, delay=-1ms, type=0 supported, value=100, maximum=100 > id=blue, name=Blue maximum level, address=0x1a, delay=-1ms, type=0 supported, value=100, maximum=100 > Color minimum level > id=redblack, name=Red minimum level, address=0x6c, delay=-1ms, type=0 supported, value=123, maximum=255 > id=greenblack, name=Green minimum level, address=0x6e, delay=-1ms, type=0 supported, value=123, maximum=255 > id=blueblack, name=Blue minimum level, address=0x70, delay=-1ms, type=0 supported, value=123, maximum=255 > Others > Restore defaults > id=defaults, name=Restore Factory Defaults, address=0x4, delay=2000ms, type=1 Possible values: > id=default - name=Restore Factory Defaults, value=1 supported, value=0, maximum=65535 > id=defaultluma, name=Restore Brightness and Contrast, address=0x5, delay=2000ms, type=1 Possible values: > id=default - name=Restore Brightness and Contrast, value=1 supported, value=0, maximum=65535 > id=defaultcolor, name=Restore Factory Default Color, address=0x8, delay=2000ms, type=1 Possible values: > id=default - name=Restore Factory Default Color, value=1 supported, value=0, maximum=65535 > Input settings > id=inputsource, name=Input Source Select, address=0x60, delay=-1ms, type=2 Possible values: > id=analog - name=Analog, value=1 > id=digital - name=Digital, value=3 supported, value=3, maximum=3 > Power control > id=dpms, name=DPMS Control, address=0xd6, delay=-1ms, type=2 Possible values: > id=on - name=On, value=1 > id=standby - name=Standby, value=4 supported, value=1, maximum=5 ================================================== and running sudo ddccontrol -p -c -d gives this: ddccontrol version 0.4.2 Copyright 2004-2005 Oleg I. Vdovikin (oleg@cs.msu.su) Copyright 2004-2006 Nicolas Boichat (nicolas@boichat.ch) This program comes with ABSOLUTELY NO WARRANTY. You may redistribute copies of this program under the terms of the GNU General Public License. Probing for available monitors...I/O warning : failed to load external entity "/usr/share/ddccontrol-db/monitor/SUN059A.xml" Document not parsed successfully. .... Detected monitors : - Device: dev:/dev/i2c-3 DDC/CI supported: Yes Monitor Name: VESA standard monitor Input type: Digital (Automatically selected) Reading EDID and initializing DDC/CI at bus dev:/dev/i2c-3... I/O warning : failed to load external entity "/usr/share/ddccontrol-db/monitor/SUN059A.xml" Document not parsed successfully. EDID readings: Plug and Play ID: SUN059A [VESA standard monitor] Input type: Digital =============================== WARNING =============================== There is no support for your monitor in the database, but ddccontrol is using a basic generic profile. Many controls will not be supported, and some controls may not work as expected. Please update ddccontrol-db, or, if you are already using the latest version, please send the output of the following command to ddccontrol-users@lists.sourceforge.net: LANG= LC_ALL= ddccontrol -p -c -d Thank you. =============================== WARNING =============================== Capabilities: Raw output: (prot(monitor)type(LCD)model(Sun)cmde(01 02 03 07 0C E3 F3)vcp(02 04 05 08 0B 0C 10 12 14(01 05 08 0B) 16 18 1A 52 60(01 03) 6C 6E 70 AC AE B2 B6 C6 C8 C9 CC(00 02 03 04 05 10) D6(01 04) DF)mswhql(1)asset_eep(40)mccs_ver(2.0)) Parsed output: VCP: 02 04 05 08 0b 0c 10 12 14 16 18 1a 52 60 6c 6e 70 ac ae b2 b6 c6 c8 c9 cc d6 df Type: Unknown Controls (valid/current/max) [Description - Value name]: Control 0x02: +/2/2 C [???] Control 0x04: +/0/65535 C [Restore Factory Defaults] Control 0x05: +/0/65535 C [Restore Brightness and Contrast] Invalid response, first byte is 0xbe, should be 0x6e be 6e 80 be 6e 80 be 6e 80 be 6e | .n..n..n..n Invalid response, first byte is 0x80, should be 0x6e 80 be 6e 80 be 6e 80 be 6e 80 be | ..n..n..n.. Control 0x08: +/0/65535 C [Restore Factory Default Color] Control 0x0b: +/3000/12288 C [???] Control 0x0c: +/1/6 C [???] Invalid response, first byte is 0xbe, should be 0x6e be 6e 80 be 6e 80 be 6e 80 be 6e | .n..n..n..n Invalid response, first byte is 0x80, should be 0x6e 80 be 6e 80 be 6e 80 be 6e 80 be | ..n..n..n.. Control 0x10: +/68/100 C [Brightness] Control 0x12: +/50/100 C [Contrast] Control 0x14: +/8/11 C [???] Control 0x16: +/100/100 C [Red maximum level] Control 0x18: +/100/100 C [Green maximum level] Control 0x1a: +/100/100 C [Blue maximum level] Invalid response, first byte is 0xbe, should be 0x6e be 6e 80 be 6e 80 be 6e 80 be 6e | .n..n..n..n Invalid response, first byte is 0x80, should be 0x6e 80 be 6e 80 be 6e 80 be 6e 80 be | ..n..n..n.. Invalid response, first byte is 0xbe, should be 0x6e be 6e 80 be 6e 80 be 6e 80 be 6e | .n..n..n..n Invalid response, first byte is 0x80, should be 0x6e 80 be 6e 80 be 6e 80 be 6e 80 be | ..n..n..n.. Invalid response, first byte is 0xbe, should be 0x6e be 6e 80 be 6e 80 be 6e 80 be 6e | .n..n..n..n Invalid response, first byte is 0x80, should be 0x6e 80 be 6e 80 be 6e 80 be 6e 80 be | ..n..n..n.. Invalid response, first byte is 0xbe, should be 0x6e be 6e 80 be 6e 80 be 6e 80 be 6e | .n..n..n..n Invalid response, first byte is 0x80, should be 0x6e 80 be 6e 80 be 6e 80 be 6e 80 be | ..n..n..n.. Invalid response, first byte is 0xbe, should be 0x6e be 6e 80 be 6e 80 be 6e 80 be 6e | .n..n..n..n Invalid response, first byte is 0x80, should be 0x6e 80 be 6e 80 be 6e 80 be 6e 80 be | ..n..n..n.. Control 0x52: +/72/255 C [???] Control 0x60: +/3/3 C [Input Source Select - Digital] Control 0x6c: +/123/255 C [Red minimum level] Control 0x6e: +/123/255 C [Green minimum level] Control 0x70: +/123/255 C [Blue minimum level] Invalid response, length is 9, should be 8 at most Invalid response, length is 9, should be 8 at most Invalid response, length is 9, should be 8 at most Control 0xac: +/73/65535 C [???] Control 0xae: +/59/65535 C [???] Control 0xb2: +/1/1 C [???] Control 0xb6: +/3/5 C [???] Control 0xc6: +/90/255 C [???] Control 0xc8: +/8969/65535 C [???] Control 0xc9: +/512/255 C [???] Control 0xca: +/1/2 [???] Control 0xcc: +/2/9 C [???] Control 0xd6: +/1/5 C [DPMS Control - On] Control 0xdf: +/512/65535 C [???] Control 0xe5: +/19202/2 [???] =========================================================================== A dell 2408wfp works fine and gives this: sudo get-edid | parse-edid This is read-edid version 3.0.2. Prepare for some fun. Attempting to use i2c interface No EDID on bus 0 No EDID on bus 1 No EDID on bus 2 No EDID on bus 4 No EDID on bus 5 No EDID on bus 6 1 potential busses found: 3 128-byte EDID successfully retrieved from i2c bus 3 Looks like i2c was successful. Have a good day. Checksum Correct Section "Monitor" Identifier "DELL 2408WFP" ModelName "DELL 2408WFP" VendorName "DEL" # Monitor Manufactured week 28 of 2008 # EDID version 1.3 # Digital Display DisplaySize 520 320 Gamma 2.20 Option "DPMS" "true" Horizsync 30-83 VertRefresh 56-76 # Maximum pixel clock is 170MHz #Not giving standard mode: 1280x1024, 60Hz #Not giving standard mode: 1600x1200, 60Hz #Not giving standard mode: 1152x864, 75Hz Modeline "Mode 0" 154.00 1920 1968 2000 2080 1200 1203 1209 1235 +hsync -vsync EndSection sudo ddccontrol -p -c -d ddccontrol version 0.4.2 Copyright 2004-2005 Oleg I. Vdovikin (oleg@cs.msu.su) Copyright 2004-2006 Nicolas Boichat (nicolas@boichat.ch) This program comes with ABSOLUTELY NO WARRANTY. You may redistribute copies of this program under the terms of the GNU General Public License. Probing for available monitors...I/O warning : failed to load external entity "/usr/share/ddccontrol-db/monitor/DELA02A.xml" Document not parsed successfully. .... Detected monitors : - Device: dev:/dev/i2c-3 DDC/CI supported: Yes Monitor Name: VESA standard monitor Input type: Digital (Automatically selected) Reading EDID and initializing DDC/CI at bus dev:/dev/i2c-3... I/O warning : failed to load external entity "/usr/share/ddccontrol-db/monitor/DELA02A.xml" Document not parsed successfully. EDID readings: Plug and Play ID: DELA02A [VESA standard monitor] Input type: Digital =============================== WARNING =============================== There is no support for your monitor in the database, but ddccontrol is using a basic generic profile. Many controls will not be supported, and some controls may not work as expected. Please update ddccontrol-db, or, if you are already using the latest version, please send the output of the following command to ddccontrol-users@lists.sourceforge.net: LANG= LC_ALL= ddccontrol -p -c -d Thank you. =============================== WARNING =============================== Capabilities: Raw output: (vcp(02 04 05 06 08 10 12 14(01 05 08 0B 0C) 16 18 1A 52 60(01 03 04 05 07 0C) AC AE B6 C6 C8 C9 D6(01 03 04 05) DC(00 02 03 04 05 06) DF) type(LCD) mccs_ver(2.0) asset_eep(32) mswhql(1)) Parsed output: VCP: 02 04 05 06 08 10 12 14 16 18 1a 52 60 ac ae b6 c6 c8 c9 d6 dc df Type: Unknown Controls (valid/current/max) [Description - Value name]: Control 0x02: +/1/2 C [???] Control 0x04: +/0/1 C [Restore Factory Defaults] Control 0x05: +/0/1 C [Restore Brightness and Contrast] Control 0x06: +/0/1 C [Restore Factory Default Geometry] Control 0x08: +/0/1 C [Restore Factory Default Color] Control 0x10: +/70/100 C [Brightness] Control 0x12: +/39/100 C [Contrast] Control 0x14: +/5/12 C [???] Control 0x16: +/100/100 C [Red maximum level] Control 0x18: +/100/100 C [Green maximum level] Control 0x1a: +/100/100 C [Blue maximum level] Control 0x52: +/96/255 C [???] Control 0x60: +/4/12 C [Input Source Select] Control 0x68: +/1/2 [???] Control 0x8a: +/256/65535 [???] Control 0x8c: +/10/65535 [???] Control 0xac: +/8564/1 C [???] Control 0xae: +/6000/65535 C [???] Control 0xb6: +/3/65535 C [???] Control 0xc6: +/17868/65535 C [???] Control 0xc8: +/32770/118 C [???] Control 0xc9: +/1/65535 C [???] Control 0xd6: +/1/5 C [DPMS Control - On] Control 0xdc: +/0/6 C [???] Control 0xdf: +/512/65535 C [???] Control 0xff: +/0/65535 [???] =============================================================================
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