I have a Dell i6400 with the same hardware that works. I run SuSE Linux 10.1 on it, and X comes up by default with dual monitor support enabled. I have not tried FC5 on it yet. -Len >-----Original Message----- >From: linux-acpi-owner@xxxxxxxxxxxxxxx >[mailto:linux-acpi-owner@xxxxxxxxxxxxxxx] On Behalf Of >Vladimir Florinski >Sent: Tuesday, May 16, 2006 1:53 AM >To: Linux-ACPI mailing list >Subject: External monitor switching problem on Lenovo Thinkpad X60s > >Folks, > >Monitor switching does not work on my machine (Thinkpad X60s). >The video >is Intel 945GM, and I am running kernel 2.6.16 in Fedora Core 5. It is >impossible to get a picture on an external monitor. Writing >to /proc/acpi/ibm/video has no effect - I would write >'crt_enable' , but >it is still shown as disabled: > >$cat /proc/acpi/ibm/video >status: supported >lcd: enabled >crt: disabled >dvi: disabled >auto: enabled >commands: lcd_enable, lcd_disable >commands: crt_enable, crt_disable >commands: dvi_enable, dvi_disable >commands: auto_enable, auto_disable >commands: video_switch, expand_toggle > >(video switching hotkey Fn-F7 doesn't work either, although all others >do). > >dmesg shows there are two video output devices: >ACPI: Video Device [VID] (multi-head: yes rom: no post: no) >ACPI: Video Device [VID] (multi-head: yes rom: no post: no) > >and there are two /proc/acpi/video/VID directories. Could this be >confusing the kernel? I looked in the decompiled DSDT code and, while I >don't understand what it does (not being a developer) I can see that >there are two VID devices there (_SB.PCI0.VID and _SB.PCI0.AGP.VID) and >it looks like video switching routines are different for the two. This >is just my guess, but could this be what causes the problem? > >By the way, video switching works fine with IBM DOS v.5 (1991 version). > >Could someone shed some light on this issue? I would be happy >to provide >any additional info, DSDT tables, etc. > >Regards, > >-- >Vladimir Florinski <vflorins@xxxxxxx> > >- >To unsubscribe from this list: send the line "unsubscribe >linux-acpi" in >the body of a message to majordomo@xxxxxxxxxxxxxxx >More majordomo info at http://vger.kernel.org/majordomo-info.html > - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html