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Step 6
Connect Front Panel Switches/LEDs/Speaker
You can find there are several different cables already existing in the system
case and originating from the computer’s front-panel devices (HDD LED,
Power LED, Reset Switch, PC Speaker, etc.)
These cables serve to connect the front-panel switches and LEDs to the
mainboard’s front-panel connectors group, as shown below.
1. ATX Soft Power On/Off (PON)
2. Green-LED (GLED)
3. EPMI
(Hardware System Management
Interface)