Power Distribution Cabling .............................33
I/O Subsystem Power Distribution Cabling .......................36
Integrated Battery Feature Locations .........................38
Subsystem Positioning and Cabling ..........................39
Operator Panel Cable and Diskette Drive Cable to the Media Subsystem (Rear View) ......39
I/O Subsystem Positions, Fully Populated Primary and Secondary Rack (Rear View without IBF) 40
I/O Subsystem Positions, Fully Populated Primary and Secondary Rack (Rear View with IBFs) . . . 41
Placement of Subsystem 4 in a Two-Rack Configuration (Rear View with IBF) .........42
RIO and RIO-2 Cabling Rules ...........................43
I/O Subsystems (1 Through 4 without IBFs) RIO Cabling to I/O Books, Two I/O Planar Loop
Configuration, 2, 3, or 4 MCMs Only .......................45
I/O Subsystems (5 and 6) RIO Cabling to the Secondary I/O Book, Two I/O Planar Loop
Configuration, 3 or 4 MCMs Only .........................46
I/O Subsystems (7 and 8) RIO Cabling to the Third I/O Book, Two I/O Planar Loop Configuration, 4
MCMs Only .................................47
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 .......................48
I/O Subsystems (4 through 6 with IBFs) RIO Cabling to I/O Books, Two I/O Planar Loop
Configuration, 3 or 4 MCMs Only .........................49
I/O Subsystems (1 Through 4 without IBFs) RIO-2 Cabling to I/O Books, Two I/O Planar Loop
Configuration, 2, 3, or 4 MCMs Only .......................50
I/O Subsystems (5 and 6) RIO-2 Cabling to the Secondary I/O Book, Two I/O Planar Loop
Configuration, 2 MCMs Only ..........................51
I/O Subsystems (5 and 6) RIO-2 Cabling to the Secondary I/O Book, Two I/O Planar Loop
Configuration, 3 or 4 MCMs Only .........................52
I/O Subsystems (7 and 8) RIO-2 Cabling to the Third I/O Book, Two I/O Planar Loop Configuration,
3 or 4 MCMs Only ..............................53
I/O Subsystems (1 Through 4 without IBFs) RIO-2 Cabling to I/O Books, One I/O Planar Loop
Configuration, 3 or 4 MCMs Only .........................54
I/O Subsystems (5 and 6) RIO-2 Cabling to the Secondary I/O Book, One I/O Planar Loop
Configuration, 3 MCMs Only ..........................55
I/O Subsystems (5 and 6) RIO-2 Cabling to the Secondary I/O Book, One I/O Planar Loop
Configuration, 4 MCMs Only ..........................56
I/O Subsystems (7) RIO-2 Cabling to the Fourth I/O Book, One I/O Planar Loop Configuration, 4
MCMs Only .................................57
I/O Subsystems (1 through 3 with IBFs) RIO-2 Cabling to I/O Books, One I/O Planar Loop
Configuration, 3 or 4 MCMs Only .........................58
I/O Subsystems (1 through 3 with IBFs) RIO-2 Cabling to I/O Books, One I/O Planar Loop
Configuration, 2 MCMs Only ..........................59
I/O Subsystem (4 with IBFs Installed) RIO-2 Cabling to I/O Book 3, One I/O Planar Loop
Configuration, 3 or 4 MCMs Only .........................60
Power and SCSI Cables to the Media Subsystem ...................61
IBM Hardware Management Console for Eserver pSeries (HMC) to the Primary I/O Book ....62
System Memory .................................63
Memory to Processor Relationships .........................63
Memory Requirements .............................63
I/O Subsystem Features ..............................65
I/O to Processor Relationships ..........................65
I/O Subsystem Power Supply (DCA) LED Status ....................65
Logical and Physical Locations ...........................67
Physical Location Codes ..............................67
Location Code Format..............................67
Multiple FRU Callout Instructions ..........................68
FRU Identify LEDs ...............................68
AIX Location Codes ...............................69
Non-SCSI Devices ...............................69
iv Eserver pSeries 690 Service Guide