I'm not certain this is a duplicate.
For my system, xresprobe nv returns:
# xresprobe nv id: res: freq: disptype:
And ddcprobe:
# ddcprobe vbe: VESA 3.0 detected. oem: NVIDIA vendor: NVIDIA Corporation product: nv43 Board - p216h1 Chip Rev memory: 131072kb mode: 640x400x256 mode: 640x480x256 mode: 800x600x16 mode: 800x600x256 mode: 1024x768x16 mode: 1024x768x256 mode: 1280x1024x16 mode: 1280x1024x256 mode: 320x200x64k mode: 320x200x16m mode: 640x480x64k mode: 640x480x16m mode: 800x600x64k mode: 800x600x16m mode: 1024x768x64k mode: 1024x768x16m mode: 1280x1024x64k mode: 1280x1024x16m edid: edidfail
I'm not certain this is a duplicate.
For my system, xresprobe nv returns:
# xresprobe nv
id:
res:
freq:
disptype:
And ddcprobe:
# ddcprobe
vbe: VESA 3.0 detected.
oem: NVIDIA
vendor: NVIDIA Corporation
product: nv43 Board - p216h1 Chip Rev
memory: 131072kb
mode: 640x400x256
mode: 640x480x256
mode: 800x600x16
mode: 800x600x256
mode: 1024x768x16
mode: 1024x768x256
mode: 1280x1024x16
mode: 1280x1024x256
mode: 320x200x64k
mode: 320x200x16m
mode: 640x480x64k
mode: 640x480x16m
mode: 800x600x64k
mode: 800x600x16m
mode: 1024x768x64k
mode: 1024x768x16m
mode: 1280x1024x64k
mode: 1280x1024x16m
edid:
edidfail