HelenOS sources

CONFIG3_LINK_UP  1992 uspace/drv/nic/rtl8139/driver.c 		rtl8139_hw_reg_add_8(rtl8139, CONFIG3, CONFIG3_LINK_UP);
CONFIG3_LINK_UP  2030 uspace/drv/nic/rtl8139/driver.c 		rtl8139_hw_reg_rem_8(rtl8139, CONFIG3, CONFIG3_LINK_UP);