I've got ddc2 working but not ddc1. One monitor is 19" WideScreen LCD
(DVI), second is 16" Standard LCD (VGA). Ubuntu Linux 7.10 Gutsy Gibbon
Official Release. Main GPX: ATI Radeon X1300 PCI Dual-DVI/VGA Graphics
Card. Secondary (Not being used): Dell/Intel 865 Onboard Video VGA
Chipset.
My EDID data from the readout:
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 0xc0248 "ATI ATOMBIOS"
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:fc
Identifier "HW191D"
VendorName "HSD"
ModelName "HW191D"
# Block type: 2:0 3:fd
HorizSync 30-80
VertRefresh 49-75
# Max dot clock (video bandwidth) 140 MHz
# Block type: 2:0 3:fc
# Block type: 2:0 3:ff
# DPMS capabilities: Active off:yes Suspend:no Standby:no
Mode "1440x900" # vfreq 59.887Hz, hfreq 55.935kHz
DotClock 106.500000
HTimings 1440 1520 1672 1904
VTimings 900 903 909 934
Flags "+HSync" "-VSync"
EndMode
# Block type: 2:0 3:fd
# Block type: 2:0 3:fc
# Block type: 2:0 3:ff
EndSection
--
edidfail for widescreen lcd (viewsonic vg2030wm) causes incorrect resolution
and refresh rates
https://bugs.launchpad.net/bugs/94994
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Team, which is a subscriber of a duplicate bug.
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