Schematic for Lenovo G70-70, Lenovo G70-80, Lenovo G70-50 Laptop/Notebook. LCFC BALG1/AILG1/AILZ1 NM-A331 Mainboard. Tag: BALG1/AILG1/AILZ1 NM-A331 Rev: 0.4 Format: PDF Total Pages: 60 File Size: 8.87MB Content Type: VIP II (Corporate Membership Only)