Owner's Manual

GA-EP45-DS4P/DS4 Motherboard - 22 -
1-8 Onboard LEDs and Switches
Diagnostic LEDs
This motherboard has 7 onboard LEDs controlled by the system BIOS. The 7 LEDs indicate if a component
(including CPU and memory) or a device (including PCI and PCIe cards and IDE/SATA devices) works
abnormally. The LED will light up during the POST when the components/devices have a problem.
Quick Switches
This motherboard has 3 quick switches: power switch, reset switch and clearing CMOS switch,
allowing users to quickly turn on/off or reset the system or clear the CMOS values.
Power Switch Reset Switch Clearing CMOS Switch
ACPI LEDs
The 4 embedded ACPI LEDs indicate the system power status (S0, S1, S3, S4, S5) to prevent potential
hardware damage due to improper plug/unplug actions.
SATAIDEPCIPCIe x1/x4PCIe x8/x16MemoryCPU