I need help adjusting the gamma of my monitor. I've tried four methods without success:
(1) The man page for XF86Config(5) documents the optional entries "Gamma x" or Gamma r g b" in the XF86Config file which should set the monitor's gamma (x, r, g, and b being between 0.1 and 10.0, default 1). I tried both variants as root but nothing happened either time... but since the man page warns that "Not all drivers are capable of using this information," I assume I'm out of luck here. Has anyone had luck with these entries? I have not one but three XF86Config files, not counting backups: /etc/XF86Config /etc/X11/XF86Config /etc/X11/XF86Config-4 I assume that multiple files are to provide different configurations under different circumstances. In any case I edited them all identically. For what it's worth, "XFree86 -version" reports: XFree86 Version 4.1.0 / X Window System (protocol Version 11, revision 0, vendor release 6510) Release Date: 2 June 2001 Build Operating System: Linux 2.4.8-5mdkenterprise i686 [ELF] Module Loader present (2) My display adapter is a SiS620, which is supported by XFree86. Just for laughs I downloaded and installed the 620 driver from SiS (yes, they have Linux drivers) but there's no change. (3) The man page for XFree86(1) documents the command line switch -gamma. I normally work in X, so first I tried switching to tty1 with Ctrl-Alt-F1, logging in as another user, and entering "XFree86 -gamma 9.0", which returned: Fatal server error: Server is already active for display 0 I thought it was possible to run multiple instances of X, but I clearly did something wrong here. (I'd like to know what, as eventually I will want to have multiple instances... but that's another issue.) Then, I changed my boot configuration to not boot into X, rebooted and logged in, and gave the above command. X hung: the same moir� pattern appeared that always does when X is starting, but hung there. The result is the same when I simply enter "XFree86" from the command line without the -gamma switch. (4) From an xterm, I gave the command "xgamma -gamma 9.0", which returned: Xserver is running an old XFree86-VidModeExtension version (0.8) Minimum required version is 2.0 I did a web search on the above message but the only hits I found were for dead (404) pages. Ideas, anyone? I'm stumped, and in the meantime I'm stuck with a barely legible display. -- Warren Post Santa Rosa de Copan, Honduras http://www.srcopan.vze.com/
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