Compatible with the following: IBM IntelliStation E Pro Pentium 4 6204-4xx,5xx IBM IntelliStation E Pro Pentium 4 6214-1xx,2xx,3xx IBM IntelliStation E Pro Pentium 4 6214-4xx,5xx,7xx,8xx IBM IntelliStation E Pro Pentium III 6204-1xx,2xx,3xx IBM IntelliStation E Pro Pentium III 6214-1xx,2xx,3xx IBM NetVista A40 6058-xxx IBM NetVista A40 6568,6578,6579-xxx IBM NetVista A40 6648-xxx IBM NetVista A40 6830,6831,6840-xxx IBM NetVista A40i 2179-xxx IBM NetVista A40i 2251, 2271-xxx IBM NetVista A40p 6059-xxx IBM NetVista A40p 6569,6579,6599-xxx IBM NetVista A40p 6647,6649,6650-xxx IBM NetVista A40p 6841-xxx