I think that adding some specs might be better !
So, from Ubuntu, I exctracted my DSDT.aml, decompiled it (DSDT.dsl), and cat a lspci.txt with the details of my xps specs.
maybe it helps ?
Thx
Bios vers: A08 07/26/2011
CPU Version 2530 MHz CPU-model 37
=====================================================
Bus info Périphérique Classe Description
pci@0000:02:00.0 display NVIDIA Corporation [10DE:0DF1]
pci@0000:00:02.0 display Core Processor Integrated Graphics Controller [8086:0046]
pci@0000:00:1f.2 scsi0 storage 5 Series/3400 Series Chipset 6 port SATA AHCI Controller [8086:3B2F]
usb@3:1 scsi6 storage
usb@3:2 scsi7 storage
pci@0000:00:1b.0 multimedia 5 Series/3400 Series Chipset High Definition Audio [8086:3B56]
pci@0000:04:00.0 wlan1 network Centrino Wireless-N 1000 [8086:0083]
pci@0000:09:00.0 eth2 network RTL8111/8168B PCI Express Gigabit Ethernet controller [10EC:8168]
pci@0000:00:1a.0 bus 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3B3C]
pci@0000:05:00.0 bus uPD720200 USB 3.0 Host Controller [1033:0194]
pci@0000:00:1d.0 bus 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3B34]
pci@0000:00:1f.3 bus 5 Series/3400 Series Chipset SMBus Controller [8086:3B30]
=====================================================
DSDT.aml.zip
DSDT.dsl.zip
lspci.txt.zip