21.2cm 4-pins 4-wires acer aspire 8920 8920g 8930 8930g Acer Aspire 8920 8920G Series Acer Aspire 8930 8930G 8930Q SeriesAcer Aspire AS8930-6243 6247 8920 8920G Series Aspire 6920G 6930Z 6930 6930G 6930ZG 6935 8920 8920G 8930 8930G 6735 7735ZACER ASPIRE AS8930-6243, AS8930-6247, ACER ASPIRE 8920 8920G SERIES