Chapter 1: Introduction I/O Shield The SC822 is a 2U rackmount chassis. Its I/O shield provides seven moth- erboard low profile expansion slot, one COM port (the other is internal), two USB ports, PS/2 mouse and keyboard ports, and one Ethernet port. (See Figure 1-1.) 7 Low Profile PCI Slots Keyboard Port USB Ports COM2 Port COM1 Port Ethernet Ports Figure 1-1. I/O Shield Cooling System The SC822 chassis has an innovative cooling design that includes four 8- cm redundant system cooling (intake) fan. The fans plug into chassis fan connectors that located behind the HDD drive bays and operates at full rpm continuously.
If they break down, the ambient air temperature inside the chassis will rise and activate an overheat LED. 1-3 ear of Chassis Printer ouse Port ort