IBM Z10 BUISNESS CLASS Z10 BC, Installation Manual

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Internal battery feature (FC 3211)
The Internal Battery Feature (IBF), FC 3211, is optional on the z10 BC. In the event
of input power interruption to the system, the internal battery feature will provide
sustained system operation for the times listed in the following table.
Model * hold-up time (minutes)
CPC drawer, 0 I/O drawer 17
CPC drawer, 1 I/O drawer 13
CPC drawer, 2 I/O drawers 11
CPC drawer, 3 I/O drawers 9
CPC drawer, 4 I/O drawers 7
Notes:
1. The numbers shown are approximate for 70° C, batteries no older than 3 years, and full
N+1 power (both power supplies in operation).
2. Hold-up times are influenced by temperature, battery age, and fault conditions within the
system.
3. * Assumes maximum supported configuration (maximum I/O adapters installed). Actual
hold-up times will be longer for less-than-maximum configurations.
Level 03c, May 2011
Chapter 5. Power requirements
43