Compaq ProLiant 8000 ProLiant 8000 Intel Pentium III Xeon 700MHz Servers Maint - Page 192

Status Indicators, Front Panel System Interlock LED Status Indicators

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Connectors, Switches, and Status Indicators 4-7 Status Indicators This section describes LED status indicator locations and functions on hot-plug I/O boards, I/O fans, PCI expansion boards, drives, and power supplies. The system interlocks provided with the ProLiant 8000 server provide a closed-loop checking mechanism for verifying proper component mating and cabling interconnects between critical server components. Three LEDs on the I/O board provide visual assistance in isolating components to check if the server does not power up because of a broken interlock chain. The third LED on the I/O board indicates a power failure condition-either the Processor Power Module (VRM) or any of the components listed under the power-fail LEDs are at fault. The I/O board is located directly beneath the PCI Hot Plug access doors on the top access panel. Front Panel System Interlock LED Status Indicators The system interlock LED on the front panel will turn amber if the interlock chain has been broken. Figure 4-6. System interlock status LED

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Connectors, Switches, and Status Indicators
4-7
Status Indicators
This section describes LED status indicator locations and functions on hot-plug I/O boards,
I/O fans, PCI expansion boards, drives, and power supplies. The system interlocks provided
with the ProLiant 8000 server provide a closed-loop checking mechanism for verifying proper
component mating and cabling interconnects between critical server components. Three LEDs
on the I/O board provide visual assistance in isolating components to check if the server does
not power up because of a broken interlock chain. The third LED on the I/O board indicates a
power failure condition—either the Processor Power Module (VRM) or any of the components
listed under the power-fail LEDs are at fault. The I/O board is located directly beneath the PCI
Hot Plug access doors on the top access panel.
Front Panel System Interlock LED Status Indicators
The system interlock LED on the front panel will turn amber if the interlock chain has been
broken.
Figure 4-6.
System interlock status LED