IBM 6000R Hardware Maintenance Manual - Page 34

Light path diagnostics, Notes, LED on, Cause, Memory

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Notes: 1. The server does not support replaceable voltage regulator modules (VRMs). 2. The server supports a maximum of three PCI buses. 3. The server supports a maximum of three power supplies. Light path diagnostics You can use the light path diagnostics built into the server to quickly identify the type of system error that occurred. The server is designed so that LEDs remain illuminated when the server shuts down, as long as the power supplies are operating properly. This feature helps you to isolate the problem if an error causes the server to shut down. If the system error LED (on the information LED panel) is not lit and no diagnostics panel LEDs are lit, it means that the light path diagnostics have not detected a system error. If the system error LED (on the information LED panel) is lit, it means that a system error was detected. Check to see which of the LEDs on the diagnostics panel inside the server are lit and refer to the following table: Table 1. Light path diagnostics LED on None CPU Memory Cause 1. The system error log is 75% or more full or a PFA alert was logged. (See "Diagnostic panel error LEDs" on page 157.) 2. Bad, missing, or mis-installed processor terminator. One of the microprocessors has failed. (See "Diagnostic panel error LEDs" on page 157.) A memory error occurred. (See "Diagnostic panel error LEDs" on page 157.) PCIA PCIB PCIC PCID PS1 PS2 An error occurred on PCI bus A. An adapter in PCI slot 1, or the system board, caused the error. (See "Diagnostic panel error LEDs" on page 157.) An error occurred on PCI bus B. An adapter in PCI slot 2, 3, or 4, or the system board, caused the error. (See "Diagnostic panel error LEDs" on page 157.) An error occurred on PCI bus C. An adapter in PCI slot 5 or 6, or the system board, caused the error. (See "Diagnostic panel error LEDs" on page 157.) Not implemented at this time. The first power supply has failed. (See "Diagnostic panel error LEDs" on page 157.) The second power supply has failed. (See "Diagnostic panel error LEDs" on page 157.) 22 Netfinity 6000R Type 8682 Models 1RY, 2RY

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22
Netfinity 6000R Type 8682 Models 1RY, 2RY
Notes:
1.
The server does not support replaceable voltage regu-
lator modules (VRMs).
2.
The server supports a maximum of three PCI buses.
3.
The server supports a maximum of three power sup-
plies.
Light path diagnostics
You can use the light path diagnostics built into the server to
quickly identify the type of system error that occurred.
The
server is designed so that LEDs remain illuminated when the
server shuts down, as long as the power supplies are oper-
ating properly.
This feature helps you to isolate the problem
if an error causes the server to shut down.
If the system error LED (on the information LED panel) is not
lit and no diagnostics panel LEDs are lit, it means that the
light path diagnostics have not detected a system error.
If the system error LED (on the information LED panel) is lit,
it means that a system error was detected.
Check to see
which of the LEDs on the diagnostics panel inside the server
are lit and refer to the following table:
Table 1. Light path diagnostics
LED on
Cause
None
1.
The system error log is 75% or more full
or a PFA alert was logged.
(See
“Diagnostic panel error LEDs” on page
157.)
2.
Bad, missing, or mis-installed
processor terminator.
CPU
One of the microprocessors has failed.
(See
“Diagnostic panel error LEDs” on page 157.)
Memory
A memory error occurred.
(See “Diagnostic
panel error LEDs” on page 157.)
PCIA
An error occurred on PCI bus A.
An adapter
in PCI slot 1, or the system board, caused
the error.
(See “Diagnostic panel error
LEDs” on page 157.)
PCIB
An error occurred on PCI bus B.
An adapter
in PCI slot 2, 3, or 4, or the system board,
caused the error.
(See “Diagnostic panel
error LEDs” on page 157.)
PCIC
An error occurred on PCI bus C.
An adapter
in PCI slot 5 or 6, or the system board,
caused the error.
(See “Diagnostic panel
error LEDs” on page 157.)
PCID
Not implemented at this time.
PS1
The first power supply has failed.
(See
“Diagnostic panel error LEDs” on page 157.)
PS2
The second power supply has failed.
(See
“Diagnostic panel error LEDs” on page 157.)