Add to Cart Quick view MAI 903631-005 CMB 32 BIT Computer System Board with Gold Chips MAI Was: $90.00 Was: $150.00 MAI 903631-005 CMB 32 BIT Computer System Board with Gold Chips Vintage CMB 32 BIt Board from MAI (Could be MAI Basic 4) Were not Sure Various Pinned ports as shown in photos. Condition:... 28189 SKU: 28189 Weight: 4.00 LBS