Baseboard Management Controller (BMC) ESB2 BMC Core TPS
Revision 1.0
Intel order number E18291-001
250
21. Baseboard Management Controller (BMC)
This section describes functional and communication interfaces for the enterprise south bridge
(ESB2) baseboard management controller (BMC) for the Intel
®
Server System S7000FC4UR. It
describes the functional blocks of the BMC and the interactions among them. It describes the
commands and codes necessary to access, control, and configure the BMC, and to create
reliable communications with other controllers on the Intelligent Platform Management Bus
(IPMB).
The Intelligent Platform Management Interface Specification v2.0 describes the communication
interfaces.
21.1 ESB2 South Bridge
The ESB2 multi-function device merges four functions:
Controller similar to the ICH6
PCI-X* bridge
GBe controller
BMC
Each function has a set of configuration registers. Once configured, the server sees each
register as a distinct hardware controller. The ESB2 provides the gateway to all PC-compatible
I/O devices and features. The server board uses the following ESB2 features:
PCI-X* bus interface
Six-channel SATA interface with SATA-busy LED control
Dual Gbe Media Access Control (MAC)
Baseboard management controller
Single ATA interface, with Ultra DMA 100 capability
Universal Serial Bus (USB) 2.0 interface
Low pin count (LPC) bus interface
PC-compatible timer / counter and DMA controllers
Advanced Programmable Interrupt Controller (APIC) and 8259-programmable interrupt
controller
Power management
System real-time clock (RTC)
General purpose I/O
Individual components of the ESB2 are referred to as separate components. Example: The
ESB2 BMC component is referred to as the BMC, and the component that is similar to the I/O
controller hub 6 (ICH6) is referred to as the I/O controller hub (ICH).
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