Samsung Electronics Co . , Ltd . said Saturday six chip lines that were hit by a power outage resumed full operation at 12 : 00 p . m . on Aug . 4 . Operations of the two lines , Line 6 and 7 , began at 4 : 30 a . m . and the rest of the lines also became fully operational afterwards . The resumption of operation came earlier than expected . Thanks to speedy normalization efforts , the company expects the total damage not to exceed KRW 40 billion , below its initial estimate of KRW 50 billion . [ 관련 기사 ] ☞ 삼성 반도체 공장 정상 화 … 피해 규모 400 억 추정 < 저작권자 ⓒ 디지털 데일리 무단 전재 - 재 배포 금지 >