help figureing out mobo

I have an I5150 and was wondering how to find out which mobo it has. I have some oc'ing software on here but i can't do anyhting until i figure out things about the mobo...i used cpu-z and here is what it told me
Manuf. - Dell Computer Corp
Model - 0W0940
Chipset - i855GM/GME Rev. A2
Southbridge - Intel 82801DB (ICH4-M)

any help with this one guys??

Thanks
Kyle

you might want to use sisoft sandra... i know it gives a lot more in-depth info regarding desktop mobos, but i dont know about laptops...