The motherboard lacks IC, meaning that the motherboard lacks IC chip.
IC, that is, integrated circuit is the use of semiconductor production process, in a small monocrystalline silicon chip to produce many transistors and resistors, capacitors and other components, and in accordance with the multi-layer wiring or tunnel wiring method to combine the components into a complete electronic circuit. It is represented in the circuit by the letter \"IC\" (also useful word symbol \"N\
IC is a general term for semiconductor component products. (1) integrated circuit board (IC); 2. Two, triode; 3. Special electronic components.