IBM iSeries 270 Service Manual page 527

Name Description
PWR61 to PWR64 Power distribution board (PB1) to Device board 3 (DB3)
PWR65 Power distribution board (PB1) to Device board 2 (DB2)
PWR66 to PWR69 Power distribution board (PB1) to Device board 2 (DB2)
PWR70 Power distribution board (PB1) to Device board 1 (DB1)
PWR71 to PWR74 Power distribution board (PB1) to Device board 1 (DB1)
PWR75 Power distribution board (PB1) to AMDs (B01 and B02)
PWR77 AC input (A01) to Power supply 1 (P01 and P03)
PWR78 AC input (A02) to Power supply 2 (P00 and P02)
Table 32. FC 5074, FC 5079, FC 5094, FC 9094 Expansion I/O Tower - Signal cables - dual Line Cord
Name
SIG60
SIG61
SIG62
SIG63
SIG64
FC 5075 Expansion I/O Tower: Figure 19. FC 5075 Expansion I/O Tower power and signal cables
Description
IOA in tower card (CB1) to Device
board 3 (DB3)
IOA in tower card (CB1) to Device
board 2 (DB2)
IOA in tower card (CB1) to Device
board 1 (DB1)
Control panel (NB1) to Device board
3 (DB3)
Tower card (CB1) to Power
distribution board (PB1 - includes P/N
97H7476, 97H7477, 97H7607) (Part
of Tower card FRU assembly)
Part number
97H7483
97H7544
97H7543
97H7544
97H7543
97H7475
04N2181
04N2181
Part number
97H7481
44L0070
97H7484
24L1752
24L0843
Analyze hardware problems
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