Motherboard Gateway MX6436 MX6424 MX6437 MX6441 31MA3MB0021    INCLUDES AMD CPU     TESTED --- 100% FUNCTIONAL  -- Motherboard Laptop for Gateway Model MA3  MX6421, MX6422 MX6424, MX6425, MX6426, MX6427, MX6429, MX6436, MX6437, MX6440, MX6441, MX6445, MX6450 and many other Series P/N: 31MA3MB0021 This is equivalent to: 31MA3MB0005, 31MA3MB0030, 31MA3MB0064 Gateway Number: 105780, 4006115R Perfectly Working Guaranteed Accept only IDE HDD This motherboard is fully tested, excellent cosmetic condition