Re: External CRT works on 1024x768 but LCD not. Please Help!!!
On Fri, Feb 18, 2005 at 03:39:28PM -0800, Bukie Mabayoje wrote: Alan Hourihane wrote: I became aware of this problem few years back (since 2003). The first time I experienced it was with a DELL laptop, and I didn't have free time then to debug it when I actually had the laptop. I going to see if I can figure the problem out (why the LCD is not working) just by reading the code. I've already done work in this area. And I've got a driver up at http://www.fairlite.demon.co.uk/intel.html if anyone wants to test it. What does this driver fix? Switching between CRT, LCD and CRT+LCD type combinations through the Fn-F7/F8 switching. Plus a few other minor fixes. Alan. ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel
Re: External CRT works on 1024x768 but LCD not. Please Help!!!
Can you provide a log with that driver ? Alan. On Sat, Feb 19, 2005 at 12:57:38AM -0300, Nqnsome wrote: Hi, I tryed your driver, but could not get 1024x768 on the LCD. XFree does not see the Built-in 1024x768 mode. Thanks, S?rgio Alan Hourihane wrote: I've already done work in this area. And I've got a driver up at http://www.fairlite.demon.co.uk/intel.html if anyone wants to test it. Alan. ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.8.8 - Release Date: 2/14/2005 ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel
Re: External CRT works on 1024x768 but LCD not. Please Help!!!
Actually, From the look of your log file, the 1024x768 mode isn't supported at all on your LCD. And although your LCD is reported at 1024x768 it looks like your BIOS is broken. ModeAttributes should show 0x9b, whereas it's showing 0x9a. That first bit is dictating whether XFree86 allows the mode or not, as it's VBE's method of saying if the mode is supported in the current configuration. Have you double checked for an updated BIOS ? Alan. ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel
Re: External CRT works on 1024x768 but LCD not. Please Help!!!
Alan Hourihane wrote: On Fri, Feb 18, 2005 at 03:39:28PM -0800, Bukie Mabayoje wrote: Alan Hourihane wrote: I became aware of this problem few years back (since 2003). The first time I experienced it was with a DELL laptop, and I didn't have free time then to debug it when I actually had the laptop. I going to see if I can figure the problem out (why the LCD is not working) just by reading the code. I've already done work in this area. And I've got a driver up at http://www.fairlite.demon.co.uk/intel.html if anyone wants to test it. What does this driver fix? Switching between CRT, LCD and CRT+LCD type combinations through the Fn-F7/F8 switching. Plus a few other minor fixes. This is definitely a good feature to have. Alan. ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel
Re: External CRT works on 1024x768 but LCD not. Please Help!!!
Hi, Thanks for your attention. Regarding the BIOS, I am using the latest version available. Sorry to ask that but, if the BIOS is broken, why, under WindowsXp, the LCD works in 1024x768? Why, with X11, the CRT works in 1024x768? Should not the broken BIOS prevent the LCD from working under WindowsXP and the CRT under X11? I am not sure if I understood correctly the role of the BIOS in the proccess. Also, can´t I override this ModeAttribute? Can´t I set it to 0x9b? Would this fix the problem? Thanks again. Regards, Sergio Alan Hourihane wrote: Actually, From the look of your log file, the 1024x768 mode isn't supported at all on your LCD. And although your LCD is reported at 1024x768 it looks like your BIOS is broken. ModeAttributes should show 0x9b, whereas it's showing 0x9a. That first bit is dictating whether XFree86 allows the mode or not, as it's VBE's method of saying if the mode is supported in the current configuration. Have you double checked for an updated BIOS ? Alan. ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.8.8 - Release Date: 2/14/2005 ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel
Re: External CRT works on 1024x768 but LCD not. Please Help!!!
Nqnsome schrieb: Sorry to ask that but, if the BIOS is broken, why, under WindowsXp, the LCD works in 1024x768? Why, with X11, the CRT works in 1024x768? I still suppose that your BIOS only recognizes the LCD as a 800x600 one, while the CRT is recognized correctly as being able to display 1024x768. The Windows XP driver doesn't care about the BIOS but bypasses it. X on the other hand needs the BIOS to set the resolution because the information on how to do that without the BIOS is not publicly available. CU Christian -- Christian Zietz - CHZ-Soft - [EMAIL PROTECTED] WWW: http://www.chzsoft.com.ar/ PGP-Key-ID: 0x6DA025CA ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel
Re: External CRT works on 1024x768 but LCD not. Please Help!!!
Hi Christian, Thanks for answering. Christian Zietz wrote: I still suppose that your BIOS only recognizes the LCD as a 800x600 one, while the CRT is recognized correctly as being able to display 1024x768. The Windows XP driver doesn't care about the BIOS but bypasses it. X on the other hand needs the BIOS to set the resolution because the information on how to do that without the BIOS is not publicly available. CU Christian Sorry, but what do you mean with how to do that? What kind of information is (not!) in the BIOS that tells X how to change the resolution? A function? A memory address? Something else? I am asking this because, if I have more information about what is possibly broken/missing in the BIOS, I can try to contact the manufacturer and ask for a fix. Without specific information it is difficult to get a useful answer from the manufacturer (COMPAL). Thanks again. Sergio -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.8.8 - Release Date: 2/14/2005 ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel
Re: External CRT works on 1024x768 but LCD not. Please Help!!!
On Sat, Feb 19, 2005 at 08:17:07PM -0300, Nqnsome wrote: Hi Christian, Thanks for answering. Christian Zietz wrote: I still suppose that your BIOS only recognizes the LCD as a 800x600 one, while the CRT is recognized correctly as being able to display 1024x768. The Windows XP driver doesn't care about the BIOS but bypasses it. X on the other hand needs the BIOS to set the resolution because the information on how to do that without the BIOS is not publicly available. CU Christian Sorry, but what do you mean with how to do that? What kind of information is (not!) in the BIOS that tells X how to change the resolution? A function? A memory address? Something else? No. Christian is saying that the programming information is not publicly available so that the driver can bypass using the BIOS. Which is what the Windows drivers do. I am asking this because, if I have more information about what is possibly broken/missing in the BIOS, I can try to contact the manufacturer and ask for a fix. Without specific information it is difficult to get a useful answer from the manufacturer (COMPAL). Just tell COMPAL that the ModeAttributes field for bit 0 which is called 'Mode supported by hardware configuration' is not being set when asking the Video BIOS for available supported resolutions with the LFP (Local Flat Panel). The Video BIOS call is 0x4F01 with the mode set to 0x34 for 1024x768 at 8bpp, 0x45 for 1024x768 at 16bpp and 0x54 for 1024x768 at 32bpp. Alan. ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel
Re: External CRT works on 1024x768 but LCD not. Please Help!!!
Alan Hourihane wrote: On Sat, Feb 19, 2005 at 08:17:07PM -0300, Nqnsome wrote: Hi Christian, Thanks for answering. Christian Zietz wrote: I still suppose that your BIOS only recognizes the LCD as a 800x600 one, while the CRT is recognized correctly as being able to display 1024x768. The Windows XP driver doesn't care about the BIOS but bypasses it. X on the other hand needs the BIOS to set the resolution because the information on how to do that without the BIOS is not publicly available. CU Christian Sorry, but what do you mean with how to do that? What kind of information is (not!) in the BIOS that tells X how to change the resolution? A function? A memory address? Something else? No. Christian is saying that the programming information is not publicly available so that the driver can bypass using the BIOS. Which is what the Windows drivers do. I am asking this because, if I have more information about what is possibly broken/missing in the BIOS, I can try to contact the manufacturer and ask for a fix. Without specific information it is difficult to get a useful answer from the manufacturer (COMPAL). Just tell COMPAL that the ModeAttributes field for bit 0 which is called 'Mode supported by hardware configuration' is not being set when asking the Video BIOS for available supported resolutions with the LFP (Local Flat Panel). The Video BIOS call is 0x4F01 with the mode set to 0x34 for 1024x768 at 8bpp, 0x45 for 1024x768 at 16bpp and 0x54 for 1024x768 at 32bpp. Let me write you a small program to read the value. Then can be sure if plugging the external crt confuses the BIOS. You have a very valid point :) WHY IT WORKS ON WINDOWS. Can you boot DOS? Alan. ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel ___ Devel mailing list Devel@XFree86.Org http://XFree86.Org/mailman/listinfo/devel
