IBM 8852 User Guide - Page 44

Installing a power module, Domain A: Power Module 1; 2900W, Power Module 2; 2980W

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Installing a power module Two types of power modules are supported for your BladeCenter, 2900W power modules with removable fan pack and 2980W high-efficiency power modules with integrated fan pack. The IBM 2980-watt power modules for BladeCenter® H are more efficient than the 2900W power modules, using less power without sacrificing performance. The 2900W and 2980W high-efficiency power modules are not interchangeable within the same power domain of the chassis. A power module configuration is supported only if the two power modules are matched within the same power domain: v Power modules 1 and 2 provide power for domain A (blade slots 1 to 7) v Power modules 3 and 4 provide power for domain B (blade slots 8 to 14) The following is an example of a supported configuration: v Domain A: Power Module 1; 2900W, Power Module 2; 2900W v Domain B: Power Module 3; 2980W, Power Module 4; 2980W This is an example of a non-supported configuration: v Domain A: Power Module 1; 2900W, Power Module 2; 2980W v Domain B: Power Module 3; 2900W, Power Module 4; 2980W Attention: Failed power modules should only be replaced with the same type of power module. Note: The 2980W high-efficiency power modules are identified by a label on the power module handle. Remove the top or bottom bezel as needed to access the power module handle. 2900W power modules do not have this label. 2980 W label 2980 W High Efficiency label 28 BladeCenter H Type 8852, 7989, and 1886: Installation and User's Guide

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Installing a power module
Two types of power modules are supported for your BladeCenter, 2900W power
modules with removable fan pack and 2980W high-efficiency power modules with
integrated fan pack. The IBM 2980-watt power modules for BladeCenter
®
H are
more efficient than the 2900W power modules, using less power without sacrificing
performance. The 2900W and 2980W high-efficiency power modules are not
interchangeable within the same power domain of the chassis. A power module
configuration is supported only if the two power modules are matched within the
same power domain:
v
Power modules 1 and 2 provide power for domain A (blade slots 1 to 7)
v
Power modules 3 and 4 provide power for domain B (blade slots 8 to 14)
The following is an example of a supported configuration:
v
Domain A: Power Module 1; 2900W, Power Module 2; 2900W
v
Domain B: Power Module 3; 2980W, Power Module 4; 2980W
This is an example of a non-supported configuration:
v
Domain A: Power Module 1; 2900W, Power Module 2; 2980W
v
Domain B: Power Module 3; 2900W, Power Module 4; 2980W
Attention:
Failed power modules should only be replaced with the same type of
power module.
Note:
The 2980W high-efficiency power modules are identified by a label on the
power module handle. Remove the top or bottom bezel as needed to access
the power module handle. 2900W power modules do not have this label.
2980 W High
Efficiency label
2980 W label
28
BladeCenter H Type 8852, 7989, and 1886: Installation and User’s Guide