Bensley Platform --Major Components of Bensley Platform:

The Enterprise south bridge (ESB2)

• The Enterprise south bridge (ESB2) provides widely integrated I/O functionality, including features previously provided by the Intel ICH6, Intel 6700PXH 64bit PCI hub and the Baseboard management controller components. 
• The ESB2 component provides the data buffering and interface arbitration required to ensure that system interfaces operate efficiently and provide the bandwidth necessary to enable the system to obtain peak performance.
• The ESB2 provides extensive I/O support, It's functionality and capabilities include:

-          x4 / x8 PCI express dual interface to MCH at 1GB/s in each direction at full duplex

-          Four PCI express root ports can be statically configured as 4x1 or 1x4; based on Hot plug supporting these ports

-          PCI Express and PCI Power management support

-          ACPI power management logic support

-          Low pin count interface

• Firmware Hub interface support