Lenovo square tip (Yellow) : Lenovo, Thinkpad
4.5*3.0mm (Blue) : HP
7.9*5.5mm (Yellow) : IBM, lenovo
7.4*5.0mm : Dell, HP, Compap
4-hole Toshiba tip : Toshiba
3-hole Dell tip : Dell
6.3*3.0mm DC (Green) : acer, Toshiba, NEC
5.5*2.5mm Tuning Fork: lenovo, Asus, acer, MSI, Toshiba, IBM
5.5*2.1mm Tuning Fork: acer, Toshiba, HP
5.5*1.9mm: Asus
5.5*1.5mm DC: for some laptop
5.0*2.5mm: for some laptop
5.0*2.1mm: for some laptop
50*1.35 Tuning Fork: Asus
