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Old 08-20-2006, 09:10 AM   #1
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Registered: Aug 2006
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Can't dual head Xorg with PCI-e NV7600GS under Dapper 6.06

Hi folks,

I'm running Ubuntu 6.06 as of a week ago (first foray into linux that's lasted more than 3 days) and it's generally going well. I am unable however to get dual head display working. I have previously set up dual-head successfully with xorg and xinerama by referencing the PCI hook of each head - using AGP cards. It runs dual-head under XP just fine. The strange part is that under linux I'm not seeing a 2nd PCI hook with this card. Is this a quirk of PCI-e? Any ideas?

Ubuntu 6.06
Leadtek 7600GS/256 (PCI-e, dual DVI)

LSPCI as follows:
user@hostname:~$ lspci
0000:00:00.0 Host bridge: Intel Corporation 945G/P Memory Controller Hub (rev 02)
0000:00:01.0 PCI bridge: Intel Corporation 945G/P PCI Express Graphics Port (rev 02)
0000:00:1b.0 0403: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)
0000:00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 01)
0000:00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (rev 01)
0000:00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #1 (rev 01)
0000:00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #2 (rev 01)
0000:00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #3 (rev 01)
0000:00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI #4 (rev 01)
0000:00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 01)
0000:00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
0000:00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01)
0000:00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01)
0000:00:1f.2 IDE interface: Intel Corporation 82801GB/GR/GH (ICH7 Family) Serial ATA Storage Controllers cc=IDE (rev 01)
0000:00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 01)
0000:01:00.0 VGA compatible controller: nVidia Corporation: Unknown device 0392 (rev a1)
0000:03:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5789 Gigabit Ethernet PCI Express (rev 11)
0000:04:06.0 RAID bus controller: Integrated Technology Express, Inc. IT/ITE8212 Dual channel ATA RAID controller (PCI version seems to be IT8212, embedded seems (rev 13)
Old 08-24-2006, 03:43 PM   #2
Registered: Aug 2005
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with nvidia instead of using xinerama you can use twinview, details of which can be found in the readme file available from the nvidia site, just follow links to download the linux drivers.
I mainly involves setting up another display in the xorg.conf.
Old 08-27-2006, 02:26 AM   #3
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Registered: Aug 2006
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Ah great, that's worked a treat. Thank you.

Now I just need to figure out why it's ignoring my screen resolution settings


display, dual

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