Re: [Ql-Users] QL to TFT VGA video converter

2010-09-16 Thread Thierry Godefroy
On Thu, 16 Sep 2010 10:49:15 +0200, Peter wrote: > ... searched a bit and found that 1024x768 @ 50 Hz would not work on all > TFT monitors :-( Indeed. Most modern LCD monitors only allow a few Hsync rates. My Hyundai W220D allows 1024x768 at 60, 70 and 75HZ only (with respective Vsync at 48.3, 5

Re: [Ql-Users] QL to TFT VGA video converter

2010-09-16 Thread Malcolm Lear
On 16/09/2010 09:49, Peter wrote: ... searched a bit and found that 1024x768 @ 50 Hz would not work on all TFT monitors :-( Peter ___ QL-Users Mailing List http://www.q-v-d.demon.co.uk/smsqe.htm Hi Maybe changing the main QL clock from 15 to 18MH

Re: [Ql-Users] QL to TFT VGA video converter

2010-09-16 Thread Peter
... searched a bit and found that 1024x768 @ 50 Hz would not work on all TFT monitors :-( Peter ___ QL-Users Mailing List http://www.q-v-d.demon.co.uk/smsqe.htm

[Ql-Users] QL to TFT VGA video converter

2010-09-16 Thread Peter
Hi again, I had one more idea. If we restrict the conversion to TFT monitors, this might provide significant cost/size reduction. The QL provides a 50 Hz vertical repetition rate, and for TFT this frequency might be okay. The converter might be able to work without buffering the whole screen c