Understanding the Netfinity 8500R server design


Understanding the Netfinity 8500R server design

The Netfinity 8500R server incorporates new design features and components.

In the Netfinity 8500R server design, the system has an I/O board, an I/O integrated function card (commonly referred to as an I/O function card), a midplane, a processor controller board, at least one processor daughterboard, and at least one memory board.
This modular design improves serviceability and provides for a compact design.

Note: Refer to the 'Start Here' section of this Server Library for exploded views of the major assemblies in the server.


I/O board: The I/O board houses the connectors for the PCI adapters and primary server boards, and houses other I/O devices that you can install to expand the capabilities of the server.

The I/O board contains the connectors for the midplane, I/O function card, Advanced System Management PCI adapter, two USB ports, the PCI switch card, twelve hot-plug PCI adapters, and two voltage regulator modules (VRMs).

Note: The I/O board is also known as the I/O planar.

See 'I/O board component locations' for a layout of the I/O board.

Several features, such as the Wake on LAN feature, are built into the server I/O board.
To enable the Wake on LAN feature, you must install the appropriate software and hardware in the server.
For complete details, refer to the documentation that comes with the Ethernet adapter.


I/O function card: The I/O function card houses the battery, I/O ports, and other I/O devices that you can install to expand the capabilities of the server.

The I/O function card contains the connectors for the I/O board, Advanced System Management PCI adapter, CD-ROM drive, diskette drive, front panel, keyboard, mouse, SCSI and other I/O ports, jumpers, battery, and other devices.

See 'I/O function card component locations' for a layout of the I/O function card.


Midplane: The midplane provides all of the interconnects for all of the major server components.

The midplane contains the connectors for the I/O board, the processor controller board, the standard memory board (A), the optional memory board (B), three memory I/O cooling fans, three power supplies, a media power device (through cabling), and a power control card.

See 'I/O board component locations', 'Memory board component locations', and 'Processor-controller board component locations' for the location of the midplane connector on the I/O board, the memory board, and the processor controller board, respectively.


Processor controller board: The processor controller board manages the server processors on the processor daughterboards.

The processor controller board contains the connectors for the standard processor daughterboard, the optional processor daughterboard, the cache coherency filter card A, the cache coherency filter card B, and the LED card.

See 'Processor-controller board component locations' for a layout of the processor controller board.


Processor daughterboard: The processor daughterboard houses the server processors and is connected to the processor controller board.
The server supports two processor daughterboards.
Each processor daughterboard contains the connectors for four processors.

See 'Processor housing assembly' for instructions on installing a processor on a processor daughterboard.
See 'Processor-daughterboard component locations' for a layout of the processor daughterboard.


Memory board: The memory board houses the dual inline memory modules (DIMMs).
The DIMMs contain the system memory.

The server supports two memory boards. Each memory board contains the connectors for 16 DIMMs.

See 'DIMM and memory board installation' for instructions on installing a DIMM on a memory board, and installing a memory board in the server.
See 'Memory board component locations' for a layout of the memory board.


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