Bronya's latest 10.9.2 RC5/RC6/RC6_fix kernels do allow to update/install 10.9.2 and 10.9.3, but I'm experiencing trouble with graphics acceleration with my nVidia cards (GeForce 9800GT and/or GeForce GT610). That's an issue I was not experiencing with previous Mavericks versions or previous OS X releases, so it's work in progress...
WS670_10.9.2.png 91.46KB 3 downloads
Precision670_extracted_dsdt.aml.zip 4.39KB 4 downloads Precision670_extracted_dsdt.dsl.zip 9.03KB 2 downloads Precision670_IOReg.zip 854.03KB 3 downloads Precision670_SysProfiler.zip 228.9KB 2 downloads
IOReg dump taken with IORegistryExplorer v3.0.2 and raw DSDT extracted with Chameleon Wizard, having booted without any DSDT file.