Comment 39 for bug 336765

It works, but I had to enforce the SVDO-detection in xorg.conf via

Option "ForceSDVODetect" "true"

to get dual-head working.

Output of sudo lspci -vnn:

00:02.0 VGA compatible controller [0300]: Intel Corporation 4 Series Chipset Integrated Graphics Controller [8086:2e12] (rev 03)
 Subsystem: Fujitsu Siemens Computers Device [1734:114c]
 Flags: bus master, fast devsel, latency 0, IRQ 2298
 Memory at fc000000 (64-bit, non-prefetchable) [size=4M]
 Memory at e0000000 (64-bit, prefetchable) [size=256M]
 I/O ports at 1c70 [size=8]
 Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable+
 Capabilities: [d0] Power Management version 2