The PCI7x21/PCI7x11 controller is available in the 288-terminal MicroStar BGA package (GHK) or the 288-terminal lead-free (Pb, atomic number 82) MicroStar BGA package (ZHK). Figure 2−1 is a pin diagram of the PCI7621 package. Figure 2−2 is a pin diagram of the PCI7421 package. Figure 2−3 is a pin diagram of the PCI7611 package. Figure 2−4 is a pin diagram of the PCI7411 package.