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gtsquirrel
Tux's lil' helper
Joined: 21 Nov 2002
Posts: 85
Location: San Jose, CA
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 Posted: Mon Jul 19, 2004 6:24 pm Post subject: "Invalid Scan Freq" on Ultra 5/10 |
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I'm trying to run xorg on a new Gentoo box, but am having problems getting X to display. Once X comes up, the monitor says "Invalid Scan Freq" in white letters on a blue background while X seems to have an interlacing issue.
Relevant lines of xorg.conf file:
| Code: | Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
HorizSync 28-95
VertRefresh 30-160
EndSection
Section "Device"
Identifier "Card0"
Driver "ati"
VendorName "ATI"
BoardName "3D Rage I/II 215GT [Mach64 GT]"
ChipSet "ati"
ChipId 0x4754
ChipRev 0x9a
BusID "PCI:1:2:0"
Option "reference_clock" "28.636 MHz"
Option "composite_sync" "True"
EndSection |
I've tried reference_clock as 29.5 MHz with the same results, and have both removed and changed the settings for the HorizSync and VertRefresh under the Monitor section.
The back of the monitor says that it is a Sun Microsystems CM751U, but there are no markings for sync or refresh rates on the sticker. I, unfortunately, do not have the manuals that came with the monitor.
If you have a working xorg.conf file for an Ultra 5/10 system running a Mach 64 video card, that would be helpful. Otherwise, if you know of a solution or have some additional debugging steps, it would be much appreciated!
Thanks! |
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gtsquirrel
Tux's lil' helper
Joined: 21 Nov 2002
Posts: 85
Location: San Jose, CA
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gtsquirrel
Tux's lil' helper
Joined: 21 Nov 2002
Posts: 85
Location: San Jose, CA
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| Posted: Mon Jul 19, 2004 10:14 pm Post subject: Solution |
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| As it turns out, that "reference_clock" option that the Gentoo Installation Guide says you should put it should NOT be put in. You just have to make sure you specify the HorzSync and VertRefresh characteristics of your monitor. Odd that they include that in the install guide .... |
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