Max5 Power Subsystem; Integrated Virtualization - IBM System x3850 X5 Implementation Manual

Table 4-37 Power Supply ac input requirements
Low range
High range

4.12.2 MAX5 power subsystem

The MAX5 power subsystem consists of one or two hot-pluggable 675W power supplies. The
power subsystem is designed for N+N (fully redundant) operation and hot-swap replacement.
Most standard models of MAX5 have one power supply installed in power supply bay 1, as
listed in 4.3, "Models" on page 124. For redundancy, install the second power supply, as listed
in Table 4-38.
Table 4-38 Ordering information for the IBM MAX5 for System x
Part number
60Y0332
A fan that is located inside each power supply cools the power modules.
MAX5 has five redundant hot-swap fans, all in one cooling zone. The MAX5 fan speed is
controlled by the IMM of the attached host, based on altitude and ambient temperature.
Fans also respond to certain conditions and come up to speed accordingly:
If a fan fails, the remaining fans spin up to full speed.
As the internal temperature rises, all fans spin up to full speed.

4.13 Integrated virtualization

The VMware ESXi embedded hypervisor software is a virtualization platform that allows
multiple operating systems to run on a host system at the same time. An internal USB
connector on the x8 low profile PCI riser card, as shown in Figure 4-50 on page 175, is
reserved to support one USB flash drive, with hypervisor software preloaded, to enable the
embedded hypervisor function. See Table 4-39 on page 175 for details.
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IBM eX5 Implementation Guide
Minimum Maximum
90 V ac 137 V ac
180 V ac 265 V ac
Feature code Description
4782 IBM 675W HE Redundant Power Supply
Nominal
100-127 V ac 50/60 Hz
200-240 V ac 50/60 Hz
Maximum input current
7.8A RMS
3.8A RMS