Product Description Detailed Specs Downloads Reviews/Questions Product Description TOSHIBA, ACCESSORY, REAL TIME CLOCK OPTION - BA400 SERIES Detailed Specs null null null null null null null null null null MFG Part Number BA700-RTC-QM-S Product Type Accessory Product Family BA400 Series Downloads Reviews/Questions The Toshiba BA700-RTC-QM-S is also known as TOS -BA700RTCQMS or BA700RTCQMS