2-12AcerAltos 21000 System Guide2.1.4 Internal ComponentsThe housing is symmetrically divided into the left and right panels.The system’s internal components are accessible through thesepanels.Left PanelThe main part of the left panel houses the system board, memoryboard, and expansion boards. On the rear end of the left panel arethe keyboard, mouse, video, parallel, and serial ports, and the slotopenings for installation of ISA and PCI expansion boards.The front panel display occupies the upper front section of the leftpanel. The section below the front panel display accommodates one3.5-inch and three 5.25-inch drives. These devices on the frontsection are externally accessible.Here is a diagram of the system components on the left panel of thesystem housing.ExpansionSlotsSystem Board andMemory Board5.25-inchDrive Bays VentilationLCD DisplayScreen3.5-inchDrive BayHot-swappableRedundant FansHot-swappableRedundant FansThermal Air Guide
