To display 1920x1080 resolution with 32 bit colors, you need 8,294,400 bytes of video memory. So if you have more than eight megs of video mem you shouldn't need to buy a new one.
have you tried something like xrandr --auto --- Petri Rosenström On Tue, Aug 24, 2010 at 8:40 AM, <d.fedo...@timeweb.ru> wrote: >> On Mon, Aug 23, 2010 at 8:58 PM, <denniso...@gmail.com> wrote: >> >>> On 24/08/10 03:38, Bill Longman wrote: >>> >>> >>> >>> On Mon, Aug 23, 2010 at 7:27 PM, Kevin O'Gorman >>> <kogor...@gmail.com>wrote: >>> >>>> I had to replace an 4:3 Westinghouse monitor this weekend. I got a new >>>> ASUS VH242H, which is very wide. But Xorg is still running 1280x1024, >>>> instead of the monitor's normal 1920x1080, according to xorg logs >>>> because of >>>> lack of video memory (using the ATI on the motherboard). I can make >>>> the >>>> screen use a 4:3 aspect ratio, so I'm up and running, much better than >>>> I >>>> started, but I'd like to do better. >>>> >>>> I guess I've gotta look for a video card, but all I have is PCIX slots, >>>> so >>>> I don't want to put a lot of money into it (I'll be upgrading the mobo >>>> when >>>> finances permit -- which is not right now.) >>>> >>>> Any ideas? >>>> >>> >>> >>> Have you tried setting different modelines etc using cvt and xrandr? >>> >> >> No. I ditched my xorg.conf completely; it had been there just because I >> couldn't get the Westinghouse monitor to work without it. The Xorg logs >> show it recognizes a boatload of >> modes that the monitor likes, but gives an alibi for not using the HD >> ones. >> The approach >> does not seem promising. >> >> /var/log/Xorg.0.log attached. I'm paying attention to lines 269 295 327 >> 369 >> 377 380 and 381 >> >> 269: (II) MACH64(0): Modeline "1920x1080"x0.0 148.50 1920 2008 2052 2200 >> 1080 1084 1089 1125 +hsync +vsync (67.5 kHz) >> 295: (II) MACH64(0): Modeline "1920x1080"x60.0 172.80 1920 2040 2248 >> 2576 >> 1080 1081 1084 1118 -hsync +vsync (67.1 kHz) >> 327: (II) MACH64(0): Estimated virtual size for aspect ratio 1.7931 is >> 1920x1080 >> 369: (II) MACH64(0): Not using default mode "1920x1440" (insufficient >> memory >> for mode) >> 377: (II) MACH64(0): Not using driver mode "1920x1080" (bad mode >> clock/interlace/doublescan) >> 380: (II) MACH64(0): Not using driver mode "1920x1080" (bad mode >> clock/interlace/doublescan) >> 381: (WW) MACH64(0): Shrinking virtual size estimate from 1920x1080 to >> 1280x1024 >> >> -- >> Kevin O'Gorman, PhD >> > > 1) Did you made entries for right resolution mode in xorg.conf > 2) Are u sure that 1920x1080 is supported resolution for your monitor? > 3) BIOS of some graphic cards is trying to overide the data reported by > the monitor in its own way > > >
