2 enterprise south bridge, Functional description – Artesyn ATCA-7350 Installation and Use (September 2014) User Manual
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Functional Description
ATCA-7350 Installation and Use (6806800G59G)
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64-bit data buses with peak bandwidths of 8.5 GB/s (1066MT/s)
36-bit host addressing, decoding up to 64 GB of the processor's memory address space
Four channels of Fully Buffered DIMM (FB-DIMM) memory
4.25 GB/s read bandwidth each FB-DIMM channel for DDR2 533 FB-DIMM memory and
5.3GB/s for DDR2 667FB-DIMM memory
8.5 GB/s write memory bandwidth for four FB-DIMM channels and 10.7 GB/s for DDR2
667FB-DIMM memory
6 x4 standard PCI Express ports and an additional x4 ESI port for Intel® 631xESB/632xESB
I/O Controller Hub
ESI chip-to-chip connection to the Intel 6321ESB I/O Controller Hub
4.4.2
Enterprise South Bridge
The Intel® 631xESB/632xESB I/O Controller Hub provides extensive I/O support.
Functions and capabilities include:
Enterprise South Bridge Interface (ESI) and PCI Express X8 upstream ports to Memory
Controller Hub (MCH)
PCI Express Specification, Revision 1.0a-compliant
PCI Protocol Addendum and PCI Electrical and Mechanical Addendum to the PCI Local Bus
Specification, Revision 2.0a-compliant
PCI Local Bus Specification, Revision 2.3-compliant with support for 33 MHz PCI operations
(supports up to seven Req/Gnt pairs)
ACPI power management logic support
Enhanced DMA controller, interrupt controller, and timer functions
USB host interface supporting UHCI and EHCI 2.0 host controller
PICMG-compliant Serdes backplane Gigabit Ethernet support
System Management Bus (SMBus) Specification, Version 2.0-compliant with additional
support for I2C devices