2 / 5 0 3 ▁P CI , ▁I SA ▁Si S ▁ 5 5 1 1 / 5 5 1 2 / 5 5 1 3 ▁I SA , ▁P CI ▁Si S ▁ 5 5 7 1 ▁I SA , ▁P CI ▁Si S ▁ 5 5 8 1 / 5 5 8 2 ▁I SA , ▁P CI , ▁AG P ▁Si S ▁ 5 5 9 1 / 5 5 9 5 ▁I SA , ▁P CI , ▁AG P ▁The ▁Si S ▁ 5 3 0 ▁( S ind bad ) ▁with ▁Si S ▁ 5 5 9 5 ▁south bridge ▁supported ▁Socket ▁ 7 , ▁SD RAM ▁ 1 . 5 GB ▁max ., ▁a ▁bus ▁frequency ▁from ▁ 6 6   M Hz ▁to ▁ 1 2 4   M Hz , ▁and ▁can ▁have ▁from ▁ 2 ▁to ▁ 8 ▁Mi B ▁shared ▁memory ▁for ▁an ▁integrated ▁AG P ▁Si S ▁ 6 3 0 6 ▁ 2 D / 3 D ▁graphics ▁controller . ▁In cludes ▁integrated ▁U D MA 6 6 ▁IDE ▁controller . ▁main boards ▁using ▁the ▁Si S ▁ 5 3 0 ▁were ▁position ed ▁as ▁cheap ▁office ▁platforms ▁and ▁pa ired ▁often ▁with ▁low - cost ▁ch ips ▁from ▁Intel ▁compet itors , ▁such ▁as ▁the ▁A MD ▁K 6 ▁series ▁or ▁Cy rix ▁ 6 x 8 6 . ▁The ▁graphics ▁controller ▁had ▁Direct 3 D ▁ 6 . 0 ▁and ▁OpenGL ▁support , ▁although ▁it ▁was ▁a ▁very