b2000mMIR B2000M. OS Installed No Optical Drive. Hard Drive Type The item listed above has been fully tested and is in good working condition. It is a used item and may show typical sns ofB2000 B2000 is an acrylic-modified cementitious dry mix base coat desned for use over Expanded Polystyrene (EPS) Insulated Concrete Forms (ICF). B2000 forms a strong