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Connectors, Switches, and LEDs
Compaq ProLiant ML350 Generation 3 Server Maintenance and Service Guide 4-7
COMPAQ CONFIDENTIAL Codename: Steel Dragon Part Number: 278704-002 Last Saved On: 12/18/02 9:49 AM
LEDs
Several status LEDs and buttons are located on the front and back of the server. Problem
diagnosis is aided by the LEDs that indicate the status of the components and operations of
the server. LEDs are also located on the system board. The following server LEDs and
buttons are explained in this section
• Power button
• System status LEDs (on the front of the server)
— Power On/Standby and AC power status
— Network Interface Controller (NIC) activity
— External health
— Internal health
— Unit Identification
• Unit Identification (UID) button
• System board LEDs
— Processor failure
— Processor Power Module (PPM) failure
— Memory failure
— Thermal failure
— Fan failure
• Hot-plug hard drive LEDs
• Network Interface Controller LEDs (on the back of the server)
— Network activity status
— Network link
— Connection speed