Notebook adaptor for most HP/COMPAQ: HP Compaq Notebook PC nx6130 HP Compaq nc2400 Notebook PC HP Compaq nc4400 Notebook PC HP Compaq nc6120 Notebook PC HP Compaq nc6320 Notebook PC HP Compaq nc6400 Notebook PC HP Compaq nc8430 Notebook PC HP Compaq nw8440 Mobile Workstation HP Compaq nw9440 Mobile Workstation HP Compaq nw8440 Mobile Workstation HP Compaq nx6315 Notebook PC Series HP Compaq nx6320 Notebook PC Series HP Compaq nx6325 Notebook PC Series HP Compaq nx6330 Notebook PC Series HP Compaq nx7400 Notebook PC Serie HP Compaq nx8420 Notebook PC Series HP Compaq tc4400 Tablet PC Series HP Pavilion dv3000 Series Notebook PC HP Pavilion DV4, DV5, DV6, DV7 Series (note some DV6 require the 4.8mm plug without a pin, please check your model)