IBM pSeries 690 Service Manual page 64

I/O Subsystems (1 through 3 with IBFs) RIO Cabling to I/O Books, Two
I/O Planar Loop Configuration, 2, 3, or 4 MCMs Only
Note: The following figure applies to CECs with RIO, or thumbscrew retention, connections.
1 Primary Rack
2 Primary I/O Book
3 Third I/O Subsystem
4 Second I/O Subsystem
5 First I/O Subsystem
6 Secondary I/O Book
48 Eserver pSeries 690 Service Guide
6
C1
C0
5
1
0
4
1
0
3
1
2
1
0
1
0
1
0 0
A0 Connection to I/O Book (Book 0)
A1 Connection to I/O Book (Book 0)
B0 Connection to I/O Book (Book 0)
B1 Connection to I/O Book (Book 0)
C0 Connection to I/O Book (Book 2)
C1 Connection to I/O Book (Book 2)
1
A0
A1
B0
B1