The PC-BGA256B/BGA256E-B-01 converter socket allows older version, 1.27-mm pitch, 256-pin BGA devices to be used on new system boards for test/validation until the new BGA device is released from the foundry or vice versa. The package converters can be soldered directly onto the SMT pads of development boards using standard solder methods. If the BGA device also has same solder ball composition, they can be soldered simultaneously using the same reflow profile along with the package converter. Pricing for the PC-BGA256B/BGA256E-B-01 is $315 each. IRONWOOD ELECTRONICS, Burnsville, MN. (800) 404-0204.