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Intel® Server Boards S5000PSL and S5000XSL TPS Design and Environmental Specifications
3.1.3.4.2.2 Dual Branch Mode Sparing
Dual branch mode sparing requires that all eight DIMM sockets be populated and must comply
with the following population rules.
DIMM_A1 and DIMM_B1 must be identical in organization, size and speed.
DIMM_A2 and DIMM_B2 must be identical in organization, size and speed.
DIMM_C1 and DIMM_D1 must be identical in organization, size and speed.
DIMM_C2 and DIMM_D2 must be identical in organization, size and speed.
DIMM_A1 and DIMM_A2 need not be identical in organization, size and speed.
DIMM_B1 and DIMM_B2 need not be identical in organization, size and speed.
DIMM_C1 and DIMM_C2 need not be identical in organization, size and speed.
DIMM_D1 and DIMM_D2 need not be identical in organization, size and speed.
Sparing should be enabled in BIOS setup.
The BIOS will configure Rank Sparing Mode.
The larger of the pairs {DIMM_A1, DIMM_B1}, {DIMM_A2, DIMM_B2},
{DIMM_C1, DIMM_D1}, and {DIMM_C2, DIMM_D2} are selected as the spare pair units.
3.1.4 Snoop Filter (5000X MCH only)
The 5000X version of the MCH includes a snoop filter. Depending on the application of the
server, this feature can be used to enhance the performance of the server by eliminating traffic
on the snooped system bus of the processor being snooped. By removing snoops form the
snooped bus, the full bandwidth is available for other transactions.
3.2 Enterprise South Bridge (ESB2-E)
The ESB2-E is a multi-function device that provides four distinct functions: an I/O controller, a
PCI-X* bridge, a GB Ethernet controller, and a baseboard management controller (BMC). Each
function has its own set of configuration registers. Once configured, each appears to the system
as a distinct hardware controller.
The ESB2-E provides the gateway to all PC-compatible I/O devices and features. The server
boards use the following ESB2-E features:
PCI-X bus interface
Six-channel SATA interface with SATA Busy LED Control
Dual GbE MAC
Baseboard Management Controller (BMC)
Single ATA interface, with Ultra DMA 100 capability
Universal Serial Bus 2.0 (USB) interface
Removable media drives
LPC bus interface
PC-compatible timer/counter and DMA controllers
APIC and 8259 interrupt controller
Power management
Revision 1.2
Intel order number: D41763-003
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