TOSHIBA SATELLITE E45-B4200 Satellite E45T-B4300 Satellite E45t-B4204 PSCJWU, PSKQ8M,PSKQ8P, PSKQ8U, PSKQAP, PSKQEP, PSPN2M, PSPN2P, PSPN2U, PSPN4M, PSPN4P, or PSPN4U. CA10US/CU MAIN BOARD REV:2.1