Comment # 7 on bug 964837 from Silviu Marin-Caea

None of these modes is the native resolution (1920x1200).

nw8440:~ # hwinfo --framebuffer
02: None 00.0: 11001 VESA Framebuffer                           
  [Created at bios.459]
  Unique ID: rdCR.hFlfRbFoi08
  Hardware Class: framebuffer
  Model: "(C) 1988-2005, ATI FGL M56P"
  Vendor: "(C) 1988-2005, ATI Technologies Inc."
  Device: "FGL M56P"
  SubVendor: "ATI ATOMBIOS"
  SubDevice: 
  Revision: "01.00"
  Memory Size: 16 MB
  Memory Range: 0xe0000000-0xe0ffffff (rw)
  Mode 0x0300: 640x400 (+640), 8 bits
  Mode 0x0301: 640x480 (+640), 8 bits
  Mode 0x0303: 800x600 (+832), 8 bits
  Mode 0x0305: 1024x768 (+1024), 8 bits
  Mode 0x0307: 1280x1024 (+1280), 8 bits
  Mode 0x0310: 640x480 (+1280), 15 bits
  Mode 0x0311: 640x480 (+1280), 16 bits
  Mode 0x0312: 640x480 (+2560), 24 bits
  Mode 0x0313: 800x600 (+1600), 15 bits
  Mode 0x0314: 800x600 (+1600), 16 bits
  Mode 0x0315: 800x600 (+3200), 24 bits
  Mode 0x0316: 1024x768 (+2048), 15 bits
  Mode 0x0317: 1024x768 (+2048), 16 bits
  Mode 0x0318: 1024x768 (+4096), 24 bits
  Mode 0x0319: 1280x1024 (+2560), 15 bits
  Mode 0x031a: 1280x1024 (+2560), 16 bits
  Mode 0x031b: 1280x1024 (+5120), 24 bits
  Mode 0x030d: 320x200 (+640), 15 bits
  Mode 0x030e: 320x200 (+640), 16 bits
  Mode 0x030f: 320x200 (+1280), 24 bits
  Mode 0x0320: 320x200 (+1280), 24 bits
  Mode 0x0393: 320x240 (+320), 8 bits
  Mode 0x0394: 320x240 (+640), 15 bits
  Mode 0x0395: 320x240 (+640), 16 bits
  Mode 0x0396: 320x240 (+1280), 24 bits
  Mode 0x03b3: 512x384 (+512), 8 bits
  Mode 0x03b4: 512x384 (+1024), 15 bits
  Mode 0x03b5: 512x384 (+1024), 16 bits
  Mode 0x03b6: 512x384 (+2048), 24 bits
  Mode 0x03c3: 640x350 (+640), 8 bits
  Mode 0x03c4: 640x350 (+1280), 15 bits
  Mode 0x03c5: 640x350 (+1280), 16 bits
  Mode 0x03c6: 640x350 (+2560), 24 bits
  Mode 0x0383: 640x400 (+640), 8 bits
  Mode 0x0384: 640x400 (+1280), 15 bits
  Mode 0x0385: 640x400 (+1280), 16 bits
  Mode 0x0386: 640x400 (+2560), 24 bits
  Mode 0x0333: 720x400 (+768), 8 bits
  Mode 0x0334: 720x400 (+1472), 15 bits
  Mode 0x0335: 720x400 (+1472), 16 bits
  Mode 0x0336: 720x400 (+2944), 24 bits
  Mode 0x0353: 1152x864 (+1152), 8 bits
  Mode 0x0354: 1152x864 (+2304), 15 bits
  Mode 0x0355: 1152x864 (+2304), 16 bits
  Mode 0x0356: 1152x864 (+4608), 24 bits
  Mode 0x0363: 1280x1024 (+1280), 8 bits
  Mode 0x0364: 1280x1024 (+2560), 15 bits
  Mode 0x0365: 1280x1024 (+2560), 16 bits
  Mode 0x0366: 1280x1024 (+5120), 24 bits
  Mode 0x0321: 640x480 (+2560), 24 bits
  Mode 0x0322: 800x600 (+3200), 24 bits
  Mode 0x0323: 1024x768 (+4096), 24 bits
  Mode 0x0324: 1280x1024 (+5120), 24 bits
  Mode 0x0343: 1400x1050 (+1408), 8 bits
  Mode 0x0344: 1400x1050 (+2816), 15 bits
  Mode 0x0345: 1400x1050 (+2816), 16 bits
  Mode 0x0346: 1400x1050 (+5632), 24 bits
  Mode 0x0373: 1600x1200 (+1600), 8 bits
  Mode 0x0374: 1600x1200 (+3200), 15 bits
  Mode 0x0375: 1600x1200 (+3200), 16 bits
  Mode 0x0376: 1600x1200 (+6400), 24 bits
  Mode 0x0383: 640x400 (+640), 8 bits
  Mode 0x0384: 640x400 (+1280), 15 bits
  Mode 0x0385: 640x400 (+1280), 16 bits
  Mode 0x0386: 640x400 (+2560), 24 bits
  Config Status: cfg=no, avail=yes, need=no, active=unknown