(Requested) HP 431 / Compaq CQ43 / Compaq CQ57 Schematic – Foxconn Chicago Schematic 09/24/2015 by notebook Schematic for HP 431 laptop/notebook, Foxconn Chicago mainboard. Rev: MV Total Pages: 43 Format: PDF File size: 1.63MB Price: $8.99 $8.99 $9.90 – Add to Cart Checkout Added to cart