ATI FirePro 2260 Dual monitor problem

nicolasg · 01-26-2011, 05:08 AM

Dear All,

I have a new Fedora 14 32-bit installation with a ATI FirePro 2260 Dual-Display professional graphics card (FireMV) that connects through two DisplayPort to DVI-D connectors to two Samsung SyncMaster 2343 monitors.

When I boot the system with both monitors attached only one monitor will be ON but is not the Workspace with the Top&Botton panel so I can't run anything only ctrl+alt+F2,3 etc.. If I swap the cables the results is the same, only one monitor is working and the only thing I can do is to login.

I don't know why but Fedora 14 doesn't have xorg.conf available by default but so I create it running Xorg -configure but any configuration I tried was not successful and sometimes system won't even load any graphics.

Can some one guide me on how to solve this problem ? If I need to manually edit xorg.conf I need assistance as I haven't be able to find any good examples regarding Dual Display.

Bellow my lspci output :

"
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV620 [FirePro 2260] [1002:95cf] (prog-if 00 [VGA controller])
Subsystem: ATI Technologies Inc Device [1002:2143]
Flags: bus master, fast devsel, latency 0, IRQ 43
Memory at d0000000 (64-bit, prefetchable) [size=256M]
Memory at fbef0000 (64-bit, non-prefetchable) [size=64K]
I/O ports at e000 [size=256]
Expansion ROM at fbec0000 [disabled] [size=128K]
Capabilities: [50] Power Management version 3
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
Kernel driver in use: radeon
Kernel modules: radeon
"
and uname -r
2.6.35.10-74.fc14.i686

Best regards,
Nicolas.

TobiSGD · 01-26-2011, 06:48 AM

The ATI RV620 chip should be supported by both, the free radeon-driver and the proprietary fglrx-driver. So I would think you have two options to get dual monitor working.
1. Use the free radeon driver and xrandr to set up dual monitors. See

Code:

man xrandr

for details how to set up dual monitors.

2. Use the fglrx-driver and use the Catalyst Control Center for setting up your monitors.

nicolasg · 01-26-2011, 08:03 AM

Thank you TobiSGD, I will have a look on that and let you know the outcome.