1 |
On 25 August 2010 15:38, Paul Hartman <paul.hartman+gentoo@×××××.com> wrote: |
2 |
> On Wed, Aug 25, 2010 at 9:25 AM, Mick <michaelkintzios@×××××.com> wrote: |
3 |
>> On 25 August 2010 15:17, Paul Hartman <paul.hartman+gentoo@×××××.com> wrote: |
4 |
>>> On Tue, Aug 24, 2010 at 7:03 PM, Kevin O'Gorman <kogorman@×××××.com> wrote: |
5 |
>>>> I found the specs with Hsync and VSync limits, but they don't mention the |
6 |
>>>> clock speed. I guess I'll just have to fool with it until it works or |
7 |
>>>> catches fire. |
8 |
>>> |
9 |
>>> That basically describes the way I've done my X monitor settings for |
10 |
>>> the past 10 years or so. I just made up a bunch of numbers and hope |
11 |
>>> they accidentally work. :) Now I'm thankful for EDID in monitors and |
12 |
>>> smarter video drivers. |
13 |
>> |
14 |
>> I think that if xrandr -q does not show the resolution you are |
15 |
>> seeking, then the video card or driver in question cannot provide it. |
16 |
>> I'm not sure that feeding xorg any odd modeline will change things, |
17 |
>> plus unlike a CRT monitor, LCDs only provide a clear image at their |
18 |
>> native resolution (denoted by '+' in the xrandr list of resolutions) |
19 |
> |
20 |
> I've been able to generate modelines in the past for all kinds of |
21 |
> crazy non-standard resolutions. I think the ones listed may be the |
22 |
> ones defined in the card's BIOS. |
23 |
> |
24 |
> I just remembered about CVT, I think it's what I used to generate the |
25 |
> modelines I posted earlier. It is part of the x11-base/xorg-server |
26 |
> package and will generate the frequencies and everything for you based |
27 |
> on VESA standards. You simply give it X and Y resolution and it does |
28 |
> the rest. For example: |
29 |
> |
30 |
> $ cvt 1280 720 |
31 |
> # 1280x720 59.86 Hz (CVT 0.92M9) hsync: 44.77 kHz; pclk: 74.50 MHz |
32 |
> Modeline "1280x720_60.00" 74.50 1280 1344 1472 1664 720 723 728 |
33 |
> 748 -hsync +vsync |
34 |
|
35 |
Fair enough, but anything other than the native resolution on an LCD |
36 |
monitor will end looking distorted or blurred. |
37 |
-- |
38 |
Regards, |
39 |
Mick |