For Dell motherboards : M11X M14X M15X M17X M18X M4500 M4600 M6400 M6500 M6600 XPS14Z XPS15Z L421X L521X L501X L502X L702X M5010 M5110 M5030 M5040 D620 D630 D830 D420 D410 D520 N5010 N5110 N4010 N4110 N4020 N403