An apparatus and method for maximizing buffer utilization in an I/O controller using credit management logic contained within the I/O controller. The credit management logic keeps track of the number of memory credits available in the I/O controller and communicates to a chipset connected to the I/O...http://www.google.de/patents/US7734847?utm_source=gb-gplus-sharePatent US7734847 - Apparatus to maximize buffer utilization in an I/O controller
