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Functional Architecture Intel
®
Server Board S5000PAL / S5000XAL TPS
Revision 1.4
Intel order number: D31979-007
24
3. Functional Architecture
The architecture and design of the Intel
®
Server Board S5000PAL / S5000XAL is based on the Intel
®
5000 Chipset Family. The chipset is designed for systems based on the Dual-Core Intel
®
Xeon
®
processor 5000 sequence with system bus speeds of 667 MHz, 1066 MHz, and 1333 MHz. The chipset
is made up of two main components: the Memory Controller Hub (MCH) for the host bridge and the ESB-
2 I/O controller hub for the I/O subsystem. This chapter provides a high-level description of the
functionality associated with each chipset component and the architectural blocks that make up this
server board. For more in depth detail of the functionality for each of the chipset components and each of
the functional architecture blocks, see the Intel
®
S5000 Server Board Family Datasheet.
Figure 9. Server Board Functional Block Diagram
Note: The diagram above uses the Intel
®
5000P MCH as a general reference designator for both MCH
components supported on this server board.