Hi! Here are the test results from my new ATI Radeon HD 2900 Pro card, as requested by the rhd_conntest README. Utility built from current git. Tested with an AL2423W TFT Monitor from Acer. *) DVI connected to upper connector: Checking connectors on 0x9400, 0x1002, 0x3000 (@01:00:00): Load Detection: RHD_OUTPUT_NONE HotPlug: RHD_HPD_1 DDC: RHD_DDC_1 DDC Line[1]: Slaves: 6a 6e 74 94 96 a0 DDC Line[2]: Slaves: 30 90 98 e0 e2 *) DVI connected to lower connector: Checking connectors on 0x9400, 0x1002, 0x3000 (@01:00:00): Load Detection: RHD_OUTPUT_TMDSA HotPlug: RHD_HPD_0 DDC: RHD_DDC_0 DDC Line[0]: Slaves: 6a 6e 74 94 96 a0 DDC Line[2]: Slaves: 30 90 98 e0 e2 *) The same Monitor, but connected via a VGA-DVI Adapter to the upper connector: Checking connectors on 0x9400, 0x1002, 0x3000 (@01:00:00): Load Detection: RHD_OUTPUT_DACB HotPlug: RHD_HPD_1 DDC: RHD_DDC_1 DDC Line[1]: Slaves: 6a 6e 94 96 a0 DDC Line[2]: Slaves: 30 90 98 e0 e2 *) And again, connected via a VGA-DVI Adapter to the lower connector: Checking connectors on 0x9400, 0x1002, 0x3000 (@01:00:00): Load Detection: RHD_OUTPUT_DACA HotPlug: RHD_HPD_0 DDC: RHD_DDC_0 DDC Line[0]: Slaves: 6a 6e 94 96 a0 DDC Line[2]: Slaves: 30 90 98 e0 e2 lspci output: 01:00.0 0300: 1002:9400 01:00.0 VGA compatible controller: ATI Technologies Inc Unknown device 9400 01:00.1 0403: 1002:aa00 01:00.1 Audio device: ATI Technologies Inc Unknown device aa00 Only the first configuration displayed the active Linux Console. All others were "No Signal" I attach the vga.rom dump and a (failed) Xorg.log Thanks for your time and work! Regards, David -- The primary freedom of open source is not the freedom from cost, but the free- dom to shape software to do what you want. This freedom is /never/ exercised without cost, but is available /at all/ only by accepting the very different costs associated with open source, costs not in money, but in time and effort. -- http://www.schierer.org/~luke/log/20070710-1129/on-forks-and-forking