Changes between Version 6 and Version 7 of XorgSetup
- Timestamp:
- 02/06/12 10:51:12 (13 years ago)
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XorgSetup
v6 v7 31 31 === Device === 32 32 33 ''Device'' section describes single GPU in a computer. Because there are multiple cards in one computer, each needs to have its own ''Device'' section. To determine which section is connected to which card, GPU's physical address is used (which can be read using ''lspci'' command - usually lower address number is connected to PCI port located higher on motherboard) . Each ''device'' needs to know what monitors are connected to it and on which port. Therefore, the use of DFP-![1-6] parameters is needed. DFP-![1-6] are ports on GPU. In ATI cards they are numbered starting from the one located furthest from the mainboard. In ATI cards with mixed miniDP and DVI ports, DFP-![1-4] are miniDP and DFP-![5-6] are DVI ports, also starting from the furthest from the mainboard.33 ''Device'' section describes single GPU in a computer. Because there are multiple cards in one computer, each needs to have its own ''Device'' section. To determine which section is connected to which card, GPU's physical address is used (which can be read using ''lspci'' command - usually lower address number is connected to PCI port located higher on motherboard) as ''BusID'' parameter. Each ''device'' needs to know what monitors are connected to it and on which port. Therefore, the use of DFP-![1-6] parameters is needed. DFP-![1-6] are ports on GPU. In ATI cards they are numbered starting from the one located furthest from the mainboard. In ATI cards with mixed miniDP and DVI ports, DFP-![1-4] are miniDP and DFP-![5-6] are DVI ports, also starting from the furthest from the mainboard. 34 34 35 35 When you want to display multiple ''Screen''s on a single GPU, you need to define multiple ''Device'' sections - one for each ''Screen''. Then to distinguish them, you have to use ''Screen'' parameter in ''Device'' section, having values starting from 0. The number is not connected to ''Screen'' name, it is only information that one GPU runs multiple ''Screen''s. … … 42 42 43 43 This section is the highest level in Xorg configuration. It describes the positioning of each ''Screen'' section. One ''Screen'' needs to be anchored, usually at (0,0). Others can be placed relatively to each other using Below, Above, RightOf or LeftOf keywords. 44 45 == Disabling screen blanking == 46 47 To disable screen blanking, additional ''!ServerFlags'' section is used. It sets !BlankTime, !StandbyTime, !SuspendTime and !OffTime to 0 to disable them. However, when no window is displayed on any ''Screen'', it is reset and brought back to default values. This means, that something needs to be displayed at all times. Therefore, on each ''Screen'' in a corner 1 by 1 pixel ''xclock'' is displayed. To run Xorg on each tile computer with ''"xclock feature"'' it is best to use ''runxall'' script from access machine.
