Removing and replacing a power module
Your BladeCenter might be equipped with 2900W power modules that have a
removable fan pack (part number 39Y7408), or it might be equipped with 2980W
high-efficiency power modules with integrated fan pack (part number 39Y7415).
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
Chapter 4. Removing and replacing BladeCenter components 35
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