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1.12 Systems management features
This section provides an overview of the system management features such as
Light Path Diagnostics, Baseboard Management Controller, Remote Supervisor
Adapter II, and Active Energy Manager for the IBM x3850 M2 and x3950 M2.
1.12.1 Light path diagnostics
To eliminate having to slide the server out of the rack to diagnose problems, a
Light Path Diagnostics panel is located at the front of x3850 M2 and x3950 M2,
as shown in Figure 1-21. This panel slides out from the front of the server so you
can view all light path diagnostics-monitored server subsystems. In the event that
maintenance is required, the customer can slide the server out of the rack and,
using the LEDs, find the failed or failing component.
Light path diagnostics can monitor and report on the health of microprocessors,
main memory, hard disk drives, PCI adapters, fans, power supplies, VRMs, and
the internal system temperature. See 6.1, "BMC configuration options" on
page 300 for more information.
Power-control button/power-on LED
Power-control
button cover
Figure 1-21 Light Path Diagnostics panel
Information LED
System-error LED
Ethernet icon LED
1
2
Locator button/
locator LED
Ethernet port
activity LEDs
1
2
3
4
OVER SPEC
LOG
LINK
PS
PCI
SP
FAN
TEMP
MEM
NMI
CNFG
CPU
VRM
DASD
RAID
BRD
Light Path Diagnostics
Chapter 1. Technical overview
NMI button
(trained service
technician only)
REMIND
47
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