Hi, I tried the fix, but without luck. The error message is the same, that it cannot detect the second monitor. Is it because of the faulty ATI driver or something? Can we use XFree86's driver in <a href="http://X.org"> X.org</a>? Regards Eddie <div>On 12/15/05, Paul Kaplan <<a href="mailto:pkaplan1@comcast.net">pkaplan1@comcast.net</a>> wrote:<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Not to rain on your parade...I tried this fix on xorg 6.9 cvs (~Aug this year) on Mandriva with an ATI M7 7500 and could never get Xinerama to work. I stayed with 6.8.2. On Thursday 15 December 2005 01:12 am, Alex Deucher wrote: > On 12/14/05, Eddie Cao <<a href="mailto:eddie.cao@gmail.com">eddie.cao@gmail.com</a>> wrote: > > Hi all, > > > > I am a debian user. I recently bought a LCD display, which I intended to > > use as an external display for my laptop (HP NC4000 with IGP 340M). I've > > read some articles about dual-head set-up on the web. The problem is that > > it works flawlessly on XFree86 in debian testing, but not on <a href="http://X.org">X.org</a> in > > debian testing. <a href="http://X.org">X.org</a> complains that it "Failed to detect secondary > > monitor, MergedFB/Clone mode disabled". Here is a part of the output of > > diff between xorg.log and XFree86.log (diff Xorg.log.0 XFree86.log.0): > > Add this line to the device section of your config to force both displays > on: option "monitorlayout" "lvds, crt" > > Alex > > > 23c534,536 > > < (II) RADEON(0): EDID data from the display on port 1 > > ---------------------- > > --- > > > > > (II) RADEON(0): Displays Detected: Monitor1--Type 2, Monitor2--Type 1 > > > > > > (II) RADEON(0): Monitor2 EDID data --------------------------- > > > > 59a573 > > > > > (II) RADEON(0): End of Monitor2 EDID data -------------------- > > > > 61,74c575,918 > > < (II) RADEON(0): Primary: > > < Monitor -- CRT > > < Connector -- VGA > > < DAC Type -- Primary > > < TMDS Type -- NONE > > < DDC Type -- VGA_DDC > > < (II) RADEON(0): Secondary: > > < Monitor -- NONE > > < Connector -- Proprietary > > < DAC Type -- TVDAC/ExtDAC > > < TMDS Type -- NONE > > < DDC Type -- NONE > > < (II) RADEON(0): PLL parameters: rf=2700 rd=60 min=12000 max=35000; > > xclk=13300 > > < (WW) RADEON(0): Failed to detect secondary monitor, MergedFB/Clone mode > > disabled > > --- > > > > > (II) RADEON(0): Primary Display == Type 2 > > > (II) RADEON(0): Panel ID string: 1024x768 > > > (II) RADEON(0): Panel Size from BIOS: 1024x768 > > > (II) RADEON(0): BIOS provided dividers will be used. > > > (==) RADEON(0): Using gamma correction (1.0, 1.0, 1.0) > > > (II) RADEON(0): Validating modes on Primary head --------- > > > (II) RADEON(0): Total number of valid DDC mode(s) found: 0 > > > (II) RADEON(0): Valid mode using on-chip RMX: 1024x768 > > > (II) RADEON(0): Total number of valid FP mode(s) found: 1 > > > (--) RADEON(0): Virtual size is 1024x768 (pitch 1024) > > > (**) RADEON(0): *Mode "1024x768": 65.0 MHz (scaled from 0.0 MHz), 48.4 > > > > kHz, 60.0 Hz > > > > > (II) RADEON(0): Modeline "1024x768" 65.00 1024 1040 1176 1344 768 > > > 770 > > > > 776 806 > > > > > (**) RADEON(0): Default mode "640x350": 65.0 MHz (scaled from 0.0 > > > MHz), > > > > 48.4 kHz, 60.0 Hz > > > > > (II) RADEON(0): Modeline "640x350" 65.00 640 1040 1176 1344 350 770 > > > > 776 806 > > > > > (**) RADEON(0): Default mode "640x400": 65.0 MHz (scaled from 0.0 > > > MHz), > > > > 48.4 kHz, 60.0 Hz > > > > > (II) RADEON(0): Modeline "640x400" 65.00 640 1040 1176 1344 400 770 > > > > 776 806 > > > > > (**) RADEON(0): Default mode "720x400": 65.0 MHz (scaled from 0.0 > > > MHz), > > > > 48.4 kHz, 60.0 Hz > > > > > (II) RADEON(0): Modeline "720x400" 65.00 720 1040 1176 1344 400 770 > > > > 776 806 > > > > > (**) RADEON(0): Default mode "640x480": 65.0 MHz (scaled from 0.0 > > > MHz), > > > > 48.4 kHz, 60.0 Hz > > > > > (II) RADEON(0): Modeline "640x480" 65.00 640 1040 1176 1344 480 770 > > > > 776 806 > > > > > (**) RADEON(0): Default mode "800x600": 65.0 MHz (scaled from 0.0 > > > MHz), > > > > 48.4 kHz, 60.0 Hz > > > > > (II) RADEON(0): Modeline "800x600" 65.00 800 1040 1176 1344 600 770 > > > > 776 806 > > > > > (**) RADEON(0): Default mode "832x624": 65.0 MHz (scaled from 0.0 > > > MHz), > > > > 48.4 kHz, 60.0 Hz > > > > > (II) RADEON(0): Modeline "832x624" 65.00 832 1040 1176 1344 624 770 > > > > 776 806 > > > > > (==) RADEON(0): DPI set to (75, 75) > > > > Thanks > > > > Eddie > > > > > > _______________________________________________ > > xorg mailing list > > <a href="mailto:xorg@lists.freedesktop.org"> xorg@lists.freedesktop.org</a> > > <a href="http://lists.freedesktop.org">http://lists.freedesktop.org</a>/mailman/listinfo/xorg > > _______________________________________________ > xorg mailing list > <a href="mailto:xorg@lists.freedesktop.org">xorg@lists.freedesktop.org</a> > <a href="http://lists.freedesktop.org">http://lists.freedesktop.org</a>/mailman/listinfo/xorg _______________________________________________ xorg mailing list <a href="mailto:xorg@lists.freedesktop.org">xorg@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org">http://lists.freedesktop.org</a>/mailman/listinfo/xorg </blockquote></div>