Re: Emc vs modern lcd monitors
On Sat, Aug 13, 2011 at 05:50, gene heskett ghesk...@wdtv.com wrote: Greetings all; One of the problems that was confusing me recently is that I had replaced the old samsung crt monitor with a much newer cheap AOC lcd that runs at 1360x724 at best, but under the vesa driver on an ati x1650 video card, it apparently is running in 1024x768. This results in a pixel that is far from square unless I use a button on the monitor which shrinks the display sideways, leaving 2 wide black stripes on the sides. From Xorg.0.log: (II) VESA(0): SAMSUNG: Using hsync range of 30.00-81.00 kHz (II) VESA(0): SAMSUNG: Using vrefresh range of 55.00-75.00 Hz (II) VESA(0): SAMSUNG: Using maximum pixel clock of 90.00 MHz (II) VESA(0): Not using mode 1360x768 (no mode of this name) ---native Looks to me like the server is telling you it doesn't know how to generate a resolution of 1360x768. If this was a CRT, I'd say to provide a custom modeline in the xorg.conf file. Since you've got a LCD, I don't know if this is the correct solution or not. -- Mark ___ xorg@lists.freedesktop.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com
Re: Emc vs modern lcd monitors
On Monday, August 15, 2011 04:20:49 PM Mark Wagner did opine: On Sat, Aug 13, 2011 at 05:50, gene heskett ghesk...@wdtv.com wrote: Greetings all; One of the problems that was confusing me recently is that I had replaced the old samsung crt monitor with a much newer cheap AOC lcd that runs at 1360x724 at best, but under the vesa driver on an ati x1650 video card, it apparently is running in 1024x768. آ This results in a pixel that is far from square unless I use a button on the monitor which shrinks the display sideways, leaving 2 wide black stripes on the sides. From Xorg.0.log: (II) VESA(0): SAMSUNG: Using hsync range of 30.00-81.00 kHz (II) VESA(0): SAMSUNG: Using vrefresh range of 55.00-75.00 Hz (II) VESA(0): SAMSUNG: Using maximum pixel clock of 90.00 MHz (II) VESA(0): Not using mode 1360x768 (no mode of this name) ---native Looks to me like the server is telling you it doesn't know how to generate a resolution of 1360x768. If this was a CRT, I'd say to provide a custom modeline in the xorg.conf file. Since you've got a LCD, I don't know if this is the correct solution or not. None of my machines have an xorg.conf with a sample modeline for that. Could someone post an example I could try please? Or even better, are there docs someplace that would describe how to do that? I just looked at the modeline description in a man xorg.conf, and that lacks the specifics I'd need to make a quasi-intelligent first guess. Thanks all. Cheers, gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) Brogan's Constant: People tend to congregate in the back of the church and the front of the bus. ___ xorg@lists.freedesktop.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com
Re: Emc vs modern lcd monitors
2011/8/15 gene heskett ghesk...@wdtv.com: On Monday, August 15, 2011 04:20:49 PM Mark Wagner did opine: On Sat, Aug 13, 2011 at 05:50, gene heskett ghesk...@wdtv.com wrote: Greetings all; One of the problems that was confusing me recently is that I had replaced the old samsung crt monitor with a much newer cheap AOC lcd that runs at 1360x724 at best, but under the vesa driver on an ati x1650 video card, it apparently is running in 1024x768. آ This results in a pixel that is far from square unless I use a button on the monitor which shrinks the display sideways, leaving 2 wide black stripes on the sides. From Xorg.0.log: (II) VESA(0): SAMSUNG: Using hsync range of 30.00-81.00 kHz (II) VESA(0): SAMSUNG: Using vrefresh range of 55.00-75.00 Hz (II) VESA(0): SAMSUNG: Using maximum pixel clock of 90.00 MHz (II) VESA(0): Not using mode 1360x768 (no mode of this name) ---native Looks to me like the server is telling you it doesn't know how to generate a resolution of 1360x768. If this was a CRT, I'd say to provide a custom modeline in the xorg.conf file. Since you've got a LCD, I don't know if this is the correct solution or not. None of my machines have an xorg.conf with a sample modeline for that. Could someone post an example I could try please? Or even better, are there docs someplace that would describe how to do that? I just looked at the modeline description in a man xorg.conf, and that lacks the specifics I'd need to make a quasi-intelligent first guess. The problem with vesa is that you are limited to standard vesa modes that are implemented in the vbios. You cannot define arbitrary modes. For that you need to use a real driver specific to your video chip. Alex ___ xorg@lists.freedesktop.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com
Re: Emc vs modern lcd monitors
On Monday, August 15, 2011 06:07:09 PM Alex Deucher did opine: 2011/8/15 gene heskett ghesk...@wdtv.com: On Monday, August 15, 2011 04:20:49 PM Mark Wagner did opine: On Sat, Aug 13, 2011 at 05:50, gene heskett ghesk...@wdtv.com wrote: Greetings all; One of the problems that was confusing me recently is that I had replaced the old samsung crt monitor with a much newer cheap AOC lcd that runs at 1360x724 at best, but under the vesa driver on an ati x1650 video card, it apparently is running in 1024x768. آ This results in a pixel that is far from square unless I use a button on the monitor which shrinks the display sideways, leaving 2 wide black stripes on the sides. From Xorg.0.log: (II) VESA(0): SAMSUNG: Using hsync range of 30.00-81.00 kHz (II) VESA(0): SAMSUNG: Using vrefresh range of 55.00-75.00 Hz (II) VESA(0): SAMSUNG: Using maximum pixel clock of 90.00 MHz (II) VESA(0): Not using mode 1360x768 (no mode of this name) ---native Looks to me like the server is telling you it doesn't know how to generate a resolution of 1360x768. If this was a CRT, I'd say to provide a custom modeline in the xorg.conf file. Since you've got a LCD, I don't know if this is the correct solution or not. None of my machines have an xorg.conf with a sample modeline for that. Could someone post an example I could try please? Or even better, are there docs someplace that would describe how to do that? I just looked at the modeline description in a man xorg.conf, and that lacks the specifics I'd need to make a quasi-intelligent first guess. The problem with vesa is that you are limited to standard vesa modes that are implemented in the vbios. You cannot define arbitrary modes. For that you need to use a real driver specific to your video chip. Alex I was afraid of that Alex. And I tried some Modelines suggested on the EMC mailing list got thrown under the bus just as it was leaving. This application that must run, is a realtime application with a base loop of its i/o running every 20-40 u-secs. _NO_ real driver allows that, wrecking carving of parts in wholesale numbers because the IRQ's that drive this apps base thread can be locked out by the real driver for intervals in excess of 100 milliseconds. The 'vesa' driver is the only driver that allows the base thread to keep some semblance of a steady beat. This particular card is an ATI X1650. Does it perchance have an available vesa bios update that would add some of the 16x9 modes like this? Cheers, gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) Guns don't kill people. It's those damn bullets. Guns just make them go really really fast. -- Jake Johanson ___ xorg@lists.freedesktop.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com
Re: Emc vs modern lcd monitors
2011/8/15 gene heskett ghesk...@wdtv.com: On Monday, August 15, 2011 06:07:09 PM Alex Deucher did opine: 2011/8/15 gene heskett ghesk...@wdtv.com: On Monday, August 15, 2011 04:20:49 PM Mark Wagner did opine: On Sat, Aug 13, 2011 at 05:50, gene heskett ghesk...@wdtv.com wrote: Greetings all; One of the problems that was confusing me recently is that I had replaced the old samsung crt monitor with a much newer cheap AOC lcd that runs at 1360x724 at best, but under the vesa driver on an ati x1650 video card, it apparently is running in 1024x768. آ This results in a pixel that is far from square unless I use a button on the monitor which shrinks the display sideways, leaving 2 wide black stripes on the sides. From Xorg.0.log: (II) VESA(0): SAMSUNG: Using hsync range of 30.00-81.00 kHz (II) VESA(0): SAMSUNG: Using vrefresh range of 55.00-75.00 Hz (II) VESA(0): SAMSUNG: Using maximum pixel clock of 90.00 MHz (II) VESA(0): Not using mode 1360x768 (no mode of this name) ---native Looks to me like the server is telling you it doesn't know how to generate a resolution of 1360x768. If this was a CRT, I'd say to provide a custom modeline in the xorg.conf file. Since you've got a LCD, I don't know if this is the correct solution or not. None of my machines have an xorg.conf with a sample modeline for that. Could someone post an example I could try please? Or even better, are there docs someplace that would describe how to do that? I just looked at the modeline description in a man xorg.conf, and that lacks the specifics I'd need to make a quasi-intelligent first guess. The problem with vesa is that you are limited to standard vesa modes that are implemented in the vbios. You cannot define arbitrary modes. For that you need to use a real driver specific to your video chip. Alex I was afraid of that Alex. And I tried some Modelines suggested on the EMC mailing list got thrown under the bus just as it was leaving. This application that must run, is a realtime application with a base loop of its i/o running every 20-40 u-secs. _NO_ real driver allows that, wrecking carving of parts in wholesale numbers because the IRQ's that drive this apps base thread can be locked out by the real driver for intervals in excess of 100 milliseconds. The 'vesa' driver is the only driver that allows the base thread to keep some semblance of a steady beat. This particular card is an ATI X1650. Does it perchance have an available vesa bios update that would add some of the 16x9 modes like this? Not likely. I don't think vesa ever officially added any 16:9 modes as standard vesa modes. Have you tried turning off acceleration? Add: Option NoAccel True in the device section of your xorg.conf. That should significantly reduce the number of irqs generated. Alex ___ xorg@lists.freedesktop.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com
Re: Emc vs modern lcd monitors
On 2011/08/15 18:16 (GMT-0400) gene heskett composed: On Monday, August 15, 2011 06:07:09 PM Alex Deucher did opine: gene heskett wrote: One of the problems that was confusing me recently is that I had replaced the old samsung crt monitor with a much newer cheap AOC lcd that runs at 1360x724 at best, but under the vesa driver on an ati x1650 video card, it apparently is running in 1024x768. Â This results in a pixel that is far from square unless I use a button on the monitor which shrinks the display sideways, leaving 2 wide black stripes on the sides. The problem with vesa is that you are limited to standard vesa modes that are implemented in the vbios. You cannot define arbitrary modes. For that you need to use a real driver specific to your video chip. I was afraid of that Alex. And I tried some Modelines suggested on the EMC mailing list got thrown under the bus just as it was leaving. This application that must run, is a realtime application with a base loop of its i/o running every 20-40 u-secs. _NO_ real driver allows that, wrecking carving of parts in wholesale numbers because the IRQ's that drive this apps base thread can be locked out by the real driver for intervals in excess of 100 milliseconds. The 'vesa' driver is the only driver that allows the base thread to keep some semblance of a steady beat. This particular card is an ATI X1650. Does it perchance have an available vesa bios update that would add some of the 16x9 modes like this? If http://en.wikipedia.org/wiki/VESA_BIOS_Extensions#Modes_defined_by_VESA is any guide, I'd be really surprised if anyone anywhere found any video card of any age that provides BIOS support for the abortion that are the 136Zx7zz modes found only in lower cost widescreen desktop displays. If you were to spend a bunch of money on lots of video cards you might find something with some amount of 16:9 or 16:10 support, but not likely 136Zx7zz would be any of them. I noted the keyword cheap above in reference to your new display. If cheap is what you're after for your VESA environment, I suggest going back to one of the readily available CRTs that are so hard for most people to give away, or replace that new widescreen with a new 4:3 LCD display. -- The wise are known for their understanding, and pleasant words are persuasive. Proverbs 16:21 (New Living Translation) Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! Felix Miata *** http://fm.no-ip.com/ ___ xorg@lists.freedesktop.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com
Re: Emc vs modern lcd monitors
On Monday, August 15, 2011 07:01:27 PM Felix Miata did opine: On 2011/08/15 18:16 (GMT-0400) gene heskett composed: On Monday, August 15, 2011 06:07:09 PM Alex Deucher did opine: gene heskett wrote: One of the problems that was confusing me recently is that I had replaced the old samsung crt monitor with a much newer cheap AOC lcd that runs at 1360x724 at best, but under the vesa driver on an ati x1650 video card, it apparently is running in 1024x768. آ This results in a pixel that is far from square unless I use a button on the monitor which shrinks the display sideways, leaving 2 wide black stripes on the sides. The problem with vesa is that you are limited to standard vesa modes that are implemented in the vbios. You cannot define arbitrary modes. For that you need to use a real driver specific to your video chip. I was afraid of that Alex. And I tried some Modelines suggested on the EMC mailing list got thrown under the bus just as it was leaving. This application that must run, is a realtime application with a base loop of its i/o running every 20-40 u-secs. _NO_ real driver allows that, wrecking carving of parts in wholesale numbers because the IRQ's that drive this apps base thread can be locked out by the real driver for intervals in excess of 100 milliseconds. The 'vesa' driver is the only driver that allows the base thread to keep some semblance of a steady beat. This particular card is an ATI X1650. Does it perchance have an available vesa bios update that would add some of the 16x9 modes like this? If http://en.wikipedia.org/wiki/VESA_BIOS_Extensions#Modes_defined_by_VESA is any guide, I'd be really surprised if anyone anywhere found any video card of any age that provides BIOS support for the abortion that are the 136Zx7zz modes found only in lower cost widescreen desktop displays. If you were to spend a bunch of money on lots of video cards you might find something with some amount of 16:9 or 16:10 support, but not likely 136Zx7zz would be any of them. I noted the keyword cheap above in reference to your new display. If cheap is what you're after for your VESA environment, I suggest going back to one of the readily available CRTs that are so hard for most people to give away, or replace that new widescreen with a new 4:3 LCD display. Chuckle, rotsa ruck finding one of those without mail ordering it putting up with a 40 day back order because they have to get one of those from China. As for the crt, that's 4x the power and weight. and dying like flies around here. That old Samsung that smoked was may last tube monitor getting fuzzy when it let all the magic smoke out. Cheers, gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) The more I see of men the more I admire dogs. -- Mme De Sevigne, 1626-1696 ___ xorg@lists.freedesktop.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com
Re: Emc vs modern lcd monitors
On 2011/08/15 19:05 (GMT-0400) gene heskett composed: Chuckle, rotsa ruck finding one of those without mail ordering it putting up with a 40 day back order because they have to get one of those from China. compatible cheap fast Pick any two. :-) Pittsburg ought to have 1024x768 and/or 1280x1024 in stock somewhere if local fails and Amazon, JR Music World, Newegg places like that don't work for you. As for the crt, that's 4x the power and weight. and dying like flies around here. Some newer ones just need caps, like motherboards power supplies from the early-mid 00s. That old Samsung that smoked was may last tube monitor getting fuzzy when it let all the magic smoke out. Gummint auction sites should have piles of them around unless your area has dumpstered them all already. -- The wise are known for their understanding, and pleasant words are persuasive. Proverbs 16:21 (New Living Translation) Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! Felix Miata *** http://fm.no-ip.com/ ___ xorg@lists.freedesktop.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com
Re: Emc vs modern lcd monitors
On Monday, August 15, 2011 08:01:26 PM Felix Miata did opine: On 2011/08/15 19:05 (GMT-0400) gene heskett composed: Chuckle, rotsa ruck finding one of those without mail ordering it putting up with a 40 day back order because they have to get one of those from China. compatible cheap fast Pick any two. :-) Pittsburg ought to have 1024x768 and/or 1280x1024 in stock somewhere if local fails and Amazon, JR Music World, Newegg places like that don't work for you. As for the crt, that's 4x the power and weight. and dying like flies around here. Some newer ones just need caps, like motherboards power supplies from the early-mid 00s. That old Samsung that smoked was may last tube monitor getting fuzzy when it let all the magic smoke out. Gummint auction sites should have piles of them around unless your area has dumpstered them all already. That all took place about 8-10 years ago around here, when dumpster diving netted Jim and I 2 pickup loads worth of 17 NEC's in great shape. Haven't seen much since that hasn't been stored out in the weather for a year+. I'll do some more scouting for a 4x3 model though. Thanks. Cheers, gene -- There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order. -Ed Howdershelt (Author) Intel CPUs are not defective, they just act that way. -- Henry Spencer ___ xorg@lists.freedesktop.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: http://lists.freedesktop.org/mailman/listinfo/xorg Your subscription address: arch...@mail-archive.com
