Intel ships 64-bit, 1MB L2 Pentium 4s | The Register

Intel ships 64-bit, 1MB L2 Pentium 4s | The Register: "The 521, 531, 541, 551, 561 and 571 P4s all bring Intel's 64-bit technology, EM64T, to its line of 1MB L2 cache-enabled processors. The new chips are clocked at up to 3.8GHz, just like the existing 5x0 P4s, and are similarly fabbed at 90nm. They too use the LGA-775 interface, and support a frontside bus clocked to 800MHz."