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Level 01f
Line cord/bulk power regulator (BPR) specifications
The following tables provide number of line cords and number of BPRs required based on the number of
processor books and number of I/O units in the server configurations.
Table 20. Number of line cords required per side
H20 (1 processor book)
H43 (2 processor books)
H66 (3 processor books)
H89 (4 processor books)
HA1 (4 processor books)
Note:
1. See "I/O units" on page 67 for I/O descriptions and values.
Table 21. Number of BPRs installed per side
H20 (1 processor book)
H43 (2 processor books)
H66 (3 processor books)
H89 (4 processor books)
HA1 (4 processor books)
Note:
1. Single-line power cord pair.
2. Two-line power cord pair.
3. See "I/O units" on page 67 for I/O descriptions and values.
4. Current balance on the phases is determined by the BPR count in this table. The balance (or imbalance) is
defined in Table 22 on page 69.
68
zEC12 IMPP
Number of I/O units
0
1
2
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
Number of I/O units
0
1
2
1
1
1
1
1
2
1
1
1
2
3
3
1
1
2
3
3
4
2
2
2
4
4
4
2
2
2
4
4
4
1
3
4
5
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3, 4
3
4
5
1
1
1
2
3
3
1
1
2
3
3
4
2
2
2
4
4
4
2
2
2
4
5
5
2
2
2
4
5
5
6
1
2
2
2
2
6
1
3
2
4
2
4
2
5
2
5
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