IBM iSeries 270 - FC 5074, FC 5079, FC 5094, FC 9094 Expansion I;O Tower; FC 5075 Expansion I;O Tower; FC 5078, FC 0578, FC 5088, or FC 0588 Expansion I;O Tower; FC 5095 or FC 0595 Expansion I;O Tower

Index Part number Units Description
19 53P0239 1 Processor backplane assembly
20 75G2878 5 Screw, M3.5 x 8mm
21 24L0900 AR Disk unit
22 75G2878 5 Screw, M3.5 x 8mm
23 21P7602 AR Power supply
23 53P0233 AR Filler, power supply
Power and signal cables
For use by authorized service providers.
The following diagrams illustrate the logical cable connections in the system unit, and in the storage
expansion unit.
Select the model you are working on.
v “Models 270, 800, and 810”
v “Model 820” on page 483
v “Model 825” on page 489
v “Model 830 and SB2 with FC 9074” on page 492
v “Model 840, SB3 Processor Tower” on page 498
v “Models 870 and 890 processor towers” on page 506
v “FC 5074, FC 5079, FC 5094, FC 9094 Expansion I/O Tower” on page 511
v “FC 5075 Expansion I/O Tower” on page 515
v “FC 5078, FC 0578, FC 5088, or FC 0588 Expansion I/O Tower” on page 517
v “FC 5095 or FC 0595 Expansion I/O Tower” on page 517
v FC 5294 see “FC 5074, FC 5079, FC 5094, FC 9094 Expansion I/O Tower” on page 511
v FC 8079 see “FC 5074, FC 5079, FC 5094, FC 9094 Expansion I/O Tower” on page 511
v FC 8093 see “FC 5074, FC 5079, FC 5094, FC 9094 Expansion I/O Tower” on page 511 and “Models
870 and 890 processor towers” on page 506
v FC 8094 see “FC 5074, FC 5079, FC 5094, FC 9094 Expansion I/O Tower” on page 511 and “Models
870 and 890 processor towers” on page 506
Models
270, 800, and 810: Use the diagrams and tables below for information on the Power and signal
cables for the Models 270, 800, and 810.
v Models 270, 800, or 810 without a system unit expansion (See page 479)
v Models 270, 800, or 810 with a system unit expansion (See page 481)
Figure 1. Models 270, 800, or 810 (without a system unit expansion) Power and signal cables
Analyze hardware problems 479