IBM xSeries 335, Руководство по установке опций

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Light Path Diagnostics panel
The following illustration shows the error LEDs, light path button, and test LED on
Light Path Diagnostics panel on the system board.
CPU
MEM
PCI A PCI B PCI C
VRM CNFG
DASD
SP PS
NON
OPT
NMI
TEMP FAN
Light Path Diagnostics™
Light path
button (SW1)
Test LED
(CR82)
For more information about the Light Path Diagnostics feature, see the Hardware
Maintenance Manual and Troubleshooting Guide . The following table describes the
LEDs on the Light Path Diagnostics panel.
Table 1. Light Path Diagnostics panel LEDs
Light Path
Diagnostics panel
LED Description
CPU One of the microprocessors failed.
VRM A voltage regulator module (VRM) failed.
CNFG The microprocessor or microprocessor VRM configuration is incorrect.
MEM System memory failed.
SP The integrated system management processor (ISMP) failed.
PS The power supply failed.
TEMP The temperature exceeded a threshold level.
FAN A fan (1, 2, 3, 4, or 5) failed or is operating slowly.
DASD A SCSI hard disk drive failed.
PCIA PCI-X slot 2 failed or the integrated SCSI adapter failed.
PCIB An integrated Ethernet controller or PCI slot 1 failed.
PCIC PCI slot 1 or the integrated video adapter failed.
NMI A nonmaskable interrupt occurred.
NON OPT A PCI bus is not operating at maximum efficiency.
If you remove the server from the rack and you are using the Light Path
Diagnostics LEDs to diagnose a problem, you can press the Light Path button to
light any LEDs that were lit before you unplugged the server.
Chapter 1. Introduction
9