you can refer to this schematic diagram g62 AMD
and G62 for intel here
zip file more details:
motherboard schematic for HP G62/G72, Compaq Presario CQ42/CQ62 laptop/notebook, Quanta AX3/5 Mainboard, CPU: Penryn North Bridge: Cantiga GL40/GM45 South Bridge: ICH-9M OEM: QUANTA COMPUTER Project: AX3/5 Rev: 1A
and G62 for intel here
zip file more details:
motherboard schematic for HP G62/G72, Compaq Presario CQ42/CQ62 laptop/notebook, Quanta AX3/5 Mainboard, CPU: Penryn North Bridge: Cantiga GL40/GM45 South Bridge: ICH-9M OEM: QUANTA COMPUTER Project: AX3/5 Rev: 1A