Lenovo NeXtScale n1200, Installation And Service Manual

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– Under no circumstance, can any combination of the worst case workload and configuration result
in system shutdown or design exposure at 40°C
– The worst case workload (such as linpack and turbo-on) may have performance degradation
• Airborne particulates and reactive gases acting alone or in combination with other environmental
factors such as humidity or temperature might pose a risk to the water-cooled technology tray. For
information about the limits for particulates and gases, see “Particulate contamination” on page 851.
Heat output:
Approximate heat output:
• Minimum configuration: 143 BTU per hour (42 watts)
• Maximum configuration: 1733 BTU per hour (508 watts)
Electrical input:
• Sine-wave input (50-60 Hz) required
• Input voltage low range:
– Minimum: 100 V AC
– Maximum: 127 V AC
• Input voltage high range:
– Minimum: 200 V AC
– Maximum: 240 V AC
• Input kilovolt-amperes (kVA), approximately:
– Minimum: 0.042 kVA
– Maximum: 0.508 kVA
What your compute node offers
Your compute node offers features such as the integrated management module II, hard disk drive support,
systems-management support, microprocessor technology, integrated network support, I/O expansion,
large system-memory capacity, light path diagnostics LEDs, PCI Express, and power throttling.
• Features on Demand
If a Features on Demand feature is integrated in the compute node or in an optional device that is installed
in the compute node, you can purchase an activation key to activate the feature. For information about
Features on Demand, see https://fod.lenovo.com/lkms.
• Flexible network support
The compute node provides flexible network capabilities:
– Models with embedded Ethernet
The server comes with an integrated dual-port Intel Gigabit Ethernet controller, which supports
connection to a 10 Mbps, 100 Mbps, or 1000 Mbps network.
• Hard disk drive support
Each tray supports up to two 2.5 inch simple swap SATA hard disk drives, or two 1.8-inch simple-swap
solid-state drives (one per node).
• Lenovo ServerGuide Setup and Installation CD
The ServerGuide Setup and Installation CD, which you can download from the web, provides programs to
help you set up the server and install a Windows operating system. The ServerGuide program detects
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Lenovo NeXtScale nx360 M5 water-cooled technology tray Lenovo NeXtScale n1200 Enclosure Installation and Service Guide