<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div id="yiv3544567156"><div><div style="color:#000;background-color:#fff;font-family:times new roman, new york, times, serif;font-size:12pt;">Hi all,<br><br>After some search on internet and on the coreboot wiki and forum, I decided to buy the E350m1 Asrock motherboard that seems to be full supported from coreboot community.<br><br>But I'd like to modify the bios and/or the vgabios to use with an old CGA/EGA monitors that work with an HSYNC at (about) 15kHz despite the VGA at 31kHz.<br><br>I found some interesting project on internet (1 free and 1 commercial), i.e. :<br><br>http://tinyurl.com/r6n4l<br><br>where the author has modified the Award 4.51pg bios to replace the vga table written by the video card in RAM with a modified version (different vgatable timings).<br><br>Or i.e. this commercial
project:<br><br>http://tinyurl.com/mgcqnar<br><br>where the author has modified the ati bios to force the card to work at other horizontal frequencies.<br><br>I'd like to ask you if it is possible to do with coreboot the first example above.<br>Somebody can advise me where to start?<br><br>Now, I'm following the second example above in fact, I started to disassembly the AsRock E350m1 video bios (pci10029802.rom) and I identified the asm code part where the resolutions are set; but at the moment I was not able to find the vga table inside the hex in order to change the timing.<br><br>Some help? :)<br><br>Thank you very much<br><br>Bye<br><br></div></div></div></div></body></html>