Dear Experts, I have a Jetway J7F2 board (CN700 based) with a DVI daughter-board that has a VT1632A DVI chip on it. I understand from the wiki that this chip is not officially supported, but having enabled it in the BIOS it works for me.
The only problem is that it does not appear to read DDC from the DVI interface. If I start X with only DVI connected I get a default low resolution screen; if I boot with both DVI and VGA connected I get the correct resolution on the DVI output. I believe that the VT1632A doesn't have any DDC I2C functionality so my guess is that the DDC I2C signals from my DVI connector are either not connected at all, in which case there is obviously not much I can do, or they go straight through to the motherboard and into the main chipset. In the latter case, maybe it's not difficult for the driver to probe them? I'll put a couple of X logs here: http://chezphil.org/tmp/haiti_x_log_dvi_only http://chezphil.org/tmp/haiti_x_log_dvi_and_vga Apologies if this has been discussed before; I haven't found anything when searching. Also I'd be interested to hear from anyone else using one of these Jetway DVI daughter boards; I have a suspicion that mine might suffer from overheating. [If you want a laugh: earlier I attempted to test my overheating theory with a can of freezer spray - and picked up the Spray Glue instead. The inside of the box is now a sticky mess. But I now know that spray glue does not conduct electricity...] Cheers, Phil. _______________________________________________ openchrome-users mailing list [email protected] http://wiki.openchrome.org/mailman/listinfo/openchrome-users Main page: http://www.openchrome.org Wiki: http://wiki.openchrome.org User Forum: http://wiki.openchrome.org/tikiwiki/tiki-view_forum.php?forumId=1
