Satellite S55-B5201SL BIOS BLID All models having part numbers beginning with "PSKT4M", "PSKT4P", "PSKT4U", "PSKT8M", "PSKT8P", "PSKT8U", "PSKTAM", "PSKTAP", "PSKTAU", "PSKTEM", "PSKTEP", "PSKTEU", "PSPQ2M", "PSPQ2P", "PSPQ2U", "PSPQ4M", "PSPQ4P", "PSPQ4U", "PSPQ6M", "PSPQ6P", "PSPQ6U", "PSPQ8M", "PSPQ8P", or "PSPQ8U"