IBM pSeries 690 Service Manual page 73

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Table of Contents

I/O Subsystems (7) RIO-2 Cabling to the Fourth I/O Book, One I/O

Planar Loop Configuration, 4 MCMs Only

Note: The following figure applies to CECs with RIO-2, or bayonette retention, connections.

C1 Primary Rack

C2 Secondary Rack

C3 Third I/O Book (Book 3)

1 First I/O Subsystem

2 Second I/O Subsystem

3 Third I/O Subsystem

1. RIO-2 cabling to I/O subsystem 7 is the same for configurations with or without the IBFs.

2. The maximum number of I/O subsystems allowed is reduced to seven when all I/O planars are connected to their

own RIO-2 port pairs.

4 Fourth I/O Subsystem

4B Two IBFs (maximum), Position 4

5 Fifth I/O Subsystem

6 Sixth I/O Subsystem

7 Seventh I/O Subsystem

8 Eighth I/O Subsystem

Chapter 1. Reference Information