SC818 Chassis User's Guide C. The SC818 Chassis Front Panel Top View 3 5 6 7 2 4 1 C-1. Major Chassis Components 1. Front Control Panel (*See C-2 below) 2. Power Module 6. Chipset 3. Power Back Plane 7. DDR Memory Modules (8) 4. Fan Modules (6) 5. CPUs (4) Front View 3 5 2 4 1 4 4 C-2. Front Panel LED Indicators and IO Ports 1. Front Panel LED Indicators (*See C-3 below) 2. CD-ROM/DVD-ROM 3. Power Supply Module 4. Hard Disk Drives (3) 5. Floppy Drive (optional) 1-8