2-4AcerAltos 21000 System Guide2.1.2 Rear PanelThe rear panel includes the system fan, the connectors for thekeyboard, mouse, VGA monitor, printer, and serial devices, the slotopenings for expansion boards, and the power supply.# Item Description1 PS/2 keyboard port Connects to PS/2 keyboards.2 Video port Connects to CRT monitors.3 PS/2 mouse port Connects to the PS/2 mouse.11 171810121314151634591268719