[ILUG] XF86 Resolution minor Tip

[Paul Jakma]

On Mon, 27 Dec 2004, ompaul wrote:

> Hi,
>

> WARNING NOTE: It is possible to set resolutions that your card and screen can 
> do for a few seconds and then pop one of them needs replacing. [1]

Not resolutions, but sync and refresh rates.

1. If you have correctly specified HorizSync and VertRefresh in 
{XFree86,xorg}.conf (eg the value specified in the manual for your 
monitor), then you will not damage anything by adding in more 
resolutions.

2. This isnt really relevant anymore cause:

 	a) Any half-modern monitor will simply switch off display if
            signal is out of spec

 	b) All half-modern monitors should support DDC, so you dont
            need (indeed shouldnt?) specify either of the parameters
            mentioned in 1, X can just read the right values from the
            monitor and use those.

And its the monitor which gets damaged usually, not the card. (you 
could damage the ramdac on some very *very* old cards - but it was 
the monitor you had to watch out with generally).

> [1] In 10 years of using X I burnt out one card - it was a crappy 1 meg on 
> board one and I happened to have a massive 8 meg video card beside me so it 
> dit not hurt too much!

It shouldnt be a concern anymore.

> Regards,
>
> Paul

regards,
-- 
Paul Jakma	paul at clubi.ie	paul at jakma.org	Key ID: 64A2FF6A
Fortune:
Cheer Up!  Things are getting worse at a slower rate.