1600x1024 Resolution Support

NPendrigh · 04-14-2011, 05:24 AM

You are correct - 1600 x 1024 is missing from the page to which you linked

And Silicon Graphics who sold monitors at this resolution say that 1600 x 1024 is a VESA standard and Apple's 22" Cinema Display also uses 1600 x 1024. It has certainly been supported by VESA before

Anyway, the above is besides the point

I have attached the EDID timing parameters file in TXT format to this message

Does this file provide all the information needed?

What has to happen for your software to support 1600 x 1024?

Best wishes
Nigel

Wim · 04-14-2011, 09:59 AM

OK - the EDID does look like it reports this mode. This mode should be supported on a DL-165 or a DL-195 chip (eg it will be advertised to support 1680x1050 or higher).

Can you post the log files, most importantly the .edid file and the DisplayLink*.log files as described here:

http://kb.displaylink.com/269

Thanks

Wim

NPendrigh · 04-15-2011, 07:37 AM

Dear Wim

Here are the requested files

Do they help provide a solution?

Best wishes
Nigel

Wim · 04-22-2011, 08:27 AM

Thanks for the log files. There is an EDID read from the monitor and it does have 1600x1024 in it. However it is not reliably read. Our software checks the EDID periodically to check the monitor hasn't changed. If it cannot read the EDID, you will get the default mode list which will not include this mode.

Looking at the log files, I cannot see a successful read at any point, which is why you are not being offered this mode. I think this monitor is a bit unreliable when presenting its EDID.

Wim

NPendrigh · 04-23-2011, 03:34 AM

Thank you

Is there a way to get the DisplayLink driver to be manually set with the appropriate EDID information?

Or at least 1600 x 1024 @ 60Hz?

Wim · 04-27-2011, 09:38 AM

Hi

No, there is no way to force an EDID into our software. If there is no EDID, then the default common modes are offered, but this is not one of them.

Wim

NPendrigh · 04-30-2011, 12:28 AM

Can 1600 x 1024 be added as a default common mode?

04-23-2011, 03:34 AM	#5
NPendrigh Junior Member Join Date: Mar 2011 Posts: 8	Manual Configuration? Thank you Is there a way to get the DisplayLink driver to be manually set with the appropriate EDID information? Or at least 1600 x 1024 @ 60Hz?

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04-14-2011, 09:59 AM	#2
Wim Senior Member Join Date: Feb 2009 Posts: 1,561	OK - the EDID does look like it reports this mode. This mode should be supported on a DL-165 or a DL-195 chip (eg it will be advertised to support 1680x1050 or higher). Can you post the log files, most importantly the .edid file and the DisplayLink*.log files as described here: http://kb.displaylink.com/269 Thanks Wim

04-22-2011, 08:27 AM	#4
Wim Senior Member Join Date: Feb 2009 Posts: 1,561	Thanks for the log files. There is an EDID read from the monitor and it does have 1600x1024 in it. However it is not reliably read. Our software checks the EDID periodically to check the monitor hasn't changed. If it cannot read the EDID, you will get the default mode list which will not include this mode. Looking at the log files, I cannot see a successful read at any point, which is why you are not being offered this mode. I think this monitor is a bit unreliable when presenting its EDID. Wim

04-27-2011, 09:38 AM	#6
Wim Senior Member Join Date: Feb 2009 Posts: 1,561	Hi No, there is no way to force an EDID into our software. If there is no EDID, then the default common modes are offered, but this is not one of them. Wim

04-30-2011, 12:28 AM	#7
NPendrigh Junior Member Join Date: Mar 2011 Posts: 8	Can 1600 x 1024 be added as a default common mode?