IBM Power 780 Technical Overview And Introduction page 174

IBM is the only vendor that designs, manufactures, and integrates its most critical server
components, including the following items:
POWER processors
Caches
Memory buffers
Hub-controllers
Clock cards
Service processors
Design and manufacturing verification and integration, and also field support information, is
used as feedback for continued improvement on the final products.
This chapter also includes a manageability section, which describes the means to
successfully manage your systems.
Several software-based availability features exist that are based on the benefits available
when using AIX and IBM i as the operating system. Support of these features when using
Linux can vary.
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IBM Power 770 and 780 (9117-MMD, 9179-MHD) Technical Overview and Introduction