IBM 7028 6C4 User Manual

Capacity will gradually decay from fresh battery value to the aged battery value, with the amount of decay
shown being worst case. The system will diagnose a ″failed battery″ if the capacity falls below the aged
battery level.
Typical Machine Holdup Time vs. Load in Minutes (Fresh Battery)
Machine
Load
3 kW 6 kW 9 kW 12 kW 15 kW 18 kW 19.5 kW
IBF
Configuration
N R N R N R N R N R N R N R
1 BPR 7.0 21 2.1 7.0
2 BPR 21 50 7.0 21 4.0 11 2.1 7.0
3 BPR 32 68 12 32 7.0 21 4.9 12 3.2 9.5 2.1 7.0 1.7 6.5
N = non-redundant, R = redundant
Typical Machine Holdup Time vs. Load in Minutes (Aged Battery)
Machine
Load
3 kW 6 kW 9 kW 12 kW 15 kW 18 kW 19.5 kW
IBF
Configuration
N R N R N R N R N R N R N R
1 BPR 4.2 12.6 1.3 4.2
2 BPR 12.6 30 4.2 12.6 2.4 6.6 1.3 4.2
3 BPR 19.2 41 7.2 19.2 4.2 12.6 2.9 7.2 1.9 5.7 1.3 4.2 1.0 3.9
N = non-redundant, R = redundant
Chapter 2. Physical Characteristics of Systems 181

IBM 7028 6C4 Specifications

General

Brand	IBM
Model	7028 6C4
Category	Server
Language	English