서버 유지보수 작성일자 글쓴이 x86서버 DELL : PowerEdge, R SeriesHP x86 : Proliant DL Series, ML Series, BL SeriesHP UNIX : RP series, RX Series, SuperdomeIBM x86 : Systems XFujitsu x86 : Rx Series, Tx Series Unix서버 IBM : Power SystemSUN/Oracle : M Series , T Series