FOR 1PC Tianjiao BTX Main Board L-I946F for B6650 B6600 B8000 (A4800C A684)

1PC replacement BTX main board from Tianjiao. Model: L-I946F. Compatible with B6650, B6600 and B8000 systems. Manufacturer/part numbers: A4800C and A684. Supplied as a single mainboard unit for use as a direct replacement in the listed models.