Aspire V7-482PG V7-482P ZRQ Schematic BIOS Aspire V7-482PG V7-482P ZRQ Polaris_HW_mb_hsw_ult-3a-reve-0408.pdf Polaris_HW-USB IO-REVF-0318.pdf ZRQ_225_2M.bin ZRQ_225_4M.bin