I got SL to run on my D630 (X3100) 1280x800 and I wanted to share how.
First the problems that I encountered.
Used USB pen with Extra folder from the Usb pen Howto ( wiki)
Installer gave me a KP , only bootable with -x -v bootflags.
Installed SL but now booting from HDD gave me a KP. Again booting with -x -v helped but did not fix it.
What did work?
Flashing the bios with the OSX bios A17
After making the usb pendrive, I downloaded the D630 intel bootpack from /supported devices/ placed it in my SL installer. ( Its the extra folder)
Install boots fine , but no Keyboard or trackpad. ( So I used usb mouse and keyboard which did work)
Booting from HDD worked ( NO KP) installed E.D.P 1.9.2 rebooted and everything is working .
Thanks everyone on this site for providing me with the possibility to install macOsx on my beloved Dell.
0xHF