HP 500691-001 - Intel Core 2 Duo Mobile processor T1600 - 1.66GHz (Penryn-MV, 1MB total Level-2 cache) Retail
HP 591880-001 - Intel Core 2 Duo Mobile processor T4500 - 2.3GHz (Penryn-MV, 3MB total Level-2 cache) Retail
HP 592399-001 - Intel Core 2 Duo Mobile processor T3300 - 2.0GHz (Penryn-MV, 3MB total Level-2 cache) Retail