Sap ERP 6.0 SR3 installation on hp Proliant ML370 Server

Dear All,

In am trying to installation sap ERP 6.0 SR3 in server machine Hp Proliant ML 370,

But when in start Sapinst ( from Installation master ) sap central in of ABAP not show in any node only related this show dialog instance installation.

Why it is not show central As abap installation option

Regards

Shahid