Installation guide

1-23
Delivery
Server Components
Central Subsystem (CSS) Module
The CSS Module houses core hardware components. The CSS Module is located at the
bottom of the cabinet.
1 MPI (MidPlane)
This active board is used to interconnect the QBBs, IOBs and the PMB.
2 SPS fan boxes
This active board is used to interconnect the QBBs, IOBs and the PMB.
2 SPS fan boxes
Each MPI is equipped with two redundant fan boxes for cooling.
1, 2, 3 or 4 QBB (Quad Brick Board) subsets:
Each QBB subset houses:
• 1 mother board
• 2 memory boards
• 4 processors
• 16 DIMMs
1, 2, 3 or 4 QBB fan boxes:
Each QBB subset is equipped with a fan box for cooling.
1 or 2 IOBs (Input / Output Box):
Each IOB box houses:
• 1 IOB (Input / Output Board)
• 1 PHPB (PCI Hot Plug Board)
• 11 hot–plug PCI–X (100–133 MHz) slots with optional:
– 1 SCSI HBA
– 1 PCI SCSI card
– 1 PCI FC card
– 1 PCI Giga Ethernet card
– 8 free slots
• 1 IOR (Input / Output Riser):
– 2 A–type USB ports
• 1 RJ45 10/100 Mbps Ethernet port
– 2 DB9–M RS232 serial ports
– 1 HD15–F VGA port
• 1 DVD/CD–ROM drive
• 1 LS240 drive (optional)
Each IOB is cooled by the corresponding QBB fan box.
1 PMB (Platform Management Board):
This active board links the server to the Platform Administration Processor (PAP) Unit
(via an Ethernet link).
Figure 25. CSS module features