====== The Portfolio I/O Model ====== ---- This chapter provides an overview of the 3DO system's hardware devices and the system software that controls them. This chapter contains the following topics: * [[:documentation:development:opera:pf25:ppgfldr:pgsfldr:spg:09spg001#xref10655|Introduction]] * [[:documentation:development:opera:pf25:ppgfldr:pgsfldr:spg:09spg002#xref24869|Hardware Devices and Connections]] * [[:documentation:development:opera:pf25:ppgfldr:pgsfldr:spg:09spg003#xref30406|I/O Architecture]] * [[:documentation:development:opera:pf25:ppgfldr:pgsfldr:spg:09spg004#xref29742|Performing I/O]] * [[:documentation:development:opera:pf25:ppgfldr:pgsfldr:spg:09spg005#xref32739|Examples]] * [[:documentation:development:opera:pf25:ppgfldr:pgsfldr:spg:09spg006#xref21958|Function Calls]]