I also experience the same type of problem reported by 'rakki'.
Redhat Linux 8.0 is not able to probe LG studioworks 700s monitor.
I'm able to install and works in textmode; but not able to launch X.
The sync frequency range of this monitor is
Horz : 30-70 KHz
Vert : 50-160 Hz
I've tried all possibilities to configurations like generic/custom etc..
but in vain.
If anybody is successful in configuring this monitor for Linux..pls help me in identifying the problem.
My PC configuration is
AMD Athlon XP
Asus A7N266-VM motherboard with
nVidia GeForce 2 GPU
Integrated APU (Audio Processor Unit)
128 MB ddr ram
16 MB video ram (shared)