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Figure 1-1 “Example of a NonStop NB50000c BladeSystem” shows the front view of an example
NonStop NB50000c BladeSystem with eight server blades in a 42U modular cabinet with the
optional HP R12000/3 UPS and the HP AF434A extended runtime module (ERM).
Figure 1-1 Example of a NonStop NB50000c BladeSystem
NonStop Multicore Architecture (NSMA)
The NonStop BladeSystem employs the HP NonStop Multicore Architecture (NSMA) to achieve
full software fault tolerance by running the NonStop operating system on NonStop Server Blades.
With the NSMA's multiple core microprocessor architecture, a set of cores comprised of instruction
processing units (IPUs) share the same memory map (except in low-level software). The NSMA
extends the traditional NonStop logical processor to a multiprocessor and includes:
• No hardware lockstep checking
• Itanium fault detection
16 NonStop BladeSystem Overview