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Enabling dynamic power saver
To configure the dynamic power saver, the power management module must be removed from the 1U
power enclosure and the dynamic power saver feature must be enabled. The module is hot pluggable
and can safely be removed during normal server operation (Figure 2). After enabling the dynamic
power saver, reinstall the power management module.
Figure 2. The 1U power enclosure power management module and location of the dynamic power saver switches
Table 2. Dynamic power saver switch positions and functions
Position Function
1 Dynamic power saver disabled (default)
2 Dynamic power saver enabled
3 Reserved (off = default)
Serial port
The serial port on the back of the HP BladeSystem p-Class 1U power enclosure provides a way for IT
administrators to directly monitor the status of the 1U power enclosure. As shown in Figure 3 and
explained in Table 3, detailed information can be obtained through the serial port.
Table 3. Status information displayed through the serial port
Status information Description
Uptime Shows the amount of time the system has been powered on.
Power supply location (slot number), status,
power usage, input/output temperature
Provides the physical location of power supplies, their fault status, power
usage, and operating temperatures.
Enclosure backplane temperature Displays the temperature on the enclosure backplane.
Number of fault conditions Shows the number of unresolved faults in the system.
Status of unit identification (UID) LED Specifies whether UID LED is active or not.
Status of enclosure link
Provides information as to whether the link is connected or not (the enclosure
link connects to the blade enclosure).
Management module firmware version Shows revision of the management firmware.
Overall power usage Tabulates total power usage of all the power supplies in the enclosure.