How to distinguish your AT Chassis from a ATX Chassis

mpe_mn3_at_back.jpg (11783 bytes)                             mpe_md3_back.jpg (20984 bytes)

           AT Chassis                                                                              ATX Chassis

* 8 Expansion Slots         

 * 7 Expansion Slots

* 1 - 4 pin connector (Keyboard)    

 * Multiple Connector I/O Shield

* Power Supply has a input and output receptacle      

 * One input receptacle and a power switch on PS