Intel SR1520MLNA Product Specification - Page 26

Front Panel Control Intel® Server System SR1520ML 5. Front Panel Control 5.1 External Buttons and LEDs The front panel supports independent controls for each system node. Each node has its own power button, reset button, USB 2.0 connector, power/sleep LED, status LED, hard drive activity LED, NIC 1 activity LED and NIC 2 activity LED. The front panel controls come pre-assembled into the chassis. The left controls correspond to the server board on the left. A B C D A B C D HG E F HG E F Item A B C D E F G H USB port Power button DC Power Ready LED NIC 1 LED NIC 2 LED Status LED Hard Drive Activity LED Reset Button Feature Figure 12. Front Panel Controls Table 13. Front Panel LED Functions LED DC Power Ready LED Color Green Green Status Green Green Amber Amber State On Blink Off On Blink On Blink Description DC Power is ready to be applied to the board Sleep S1 DC Power supply is in the 'Off' state (S4) Board is 'ON' with no alarm Board is 'ON', but degraded: some CPU fault, DIMM killed Critical alarm: Critical power module failure, critical fan failure, voltage (power supply), Voltage and thermal fault Non-Critical failure: Non-critical power and voltage 18 Revision 1.0