Server Management IntelĀ® Server Board SDS2 Revision 1.2 Order Number: A85874-002 26

BASEBOARD

PROCESSOR SOCKETS
SMS
I/F System

Bus

5V
12V
3.3V
-12V
Power Button
Front Panel NMI Switch
IERR (2)
Thermal Trip (2)

- Chassis ID

- Baseboard ID

- Power State

NMI
Chip set NMIs
Chip set SMI
CPU Voltage (1)

INTELLIGENT PLATFORM MANAGEMENT BUS (IPMB)

Reset Button
Chassis Intrusion
Power Connector

To Power

Distribution

Board

Baseboard
Temp 1
Private Management Busses

RAM

CODE
(updateable)
SMI

Platform

Management

Interrupt

Routing

Non-volatile, read-write storage

SENSOR
DATA
RECORDS
SYSTEM
EVENT
LOG
FRU INFO
& CONFIG
DEFAULTS
SMM-
BIOS
I/F
COM 2
COMM MUX

BBD COM2

CPU 'Core' Temp
(2)

EMP

DIMM SPD (6)
Speaker
Power LED
Fault Status LED
FANs (6)
Sleep Button
Network Activity LEDs
PCI PME

BASEBOARD

MANAGEMENT

CONTROLLER

(BMC)

System I/F
PORTS
1.25V
3.3V Standby
LVDS-B Term. 1
LVDS-A Term. 2
LVDS-A Term. 1
LVDS-B Term. 2
Drive Activity/Fault LED
System Identify Button

NIC #1

NIC #2

RI (Wake-on-Ring)
Chassis
Intrusion
ISOL
LVDS-A Term. 3
LVDS-B Term. 3
Hot-swap
Backplane
Header
Aux. IPMB
Connector
Chip Set
ICMB
Transceiver
Header
Front Panel Connectors
Logic 2.5V
spkr
Identify LED
Figure 6. SDS2 Sahalee BMC Block Diagram (View as Reference Only)