2-17
Network Interface Controllers
NOTE:
To ensure EMC product regulation compliance, the system must be used with
shielded LAN cables.
The I/O board inclu
interface controller (NIC). The Intel® 82546GB network interface
controller supports th
bus
82
d 10Base-T
(8
System B
Server managem
m Board Management Controller (BMC). The BMC and associated
cir
itry are powered from a 5Vdc standby voltage, which remains active when system power is switched off, but the
AC power
Th
rough networks.
See
On
non
fai
MC maintains the non-volatile Sensor Data Record
(SD
info
Th
ock
Mon
M
M
C
, diskette write-protect monitoring, and front panel
loc
Co
Degradatio
The degrada
IMM, processor, or cooling fan to assure continuous operation
of the server w
gnosis program after power on) detects such a DIMM,
processor, o
Failed DIM
setup utility, "S
entified on the system that has ESMPRO installed.
des Intel® 82546GB network
e following features:
Two channels of 10Base-T, 100Base-TX, and 1000BASE-T networks.
Direct 64-bit, 133 MHz interface to the PCI-X
546GB provides standard IEEE 802.3 Ethernet Interface for 1000Base-T, 100Base-TX, an
02.3, 802.3u, 802.3ab).
oard Management Controller (BMC)
ent is concentrated in the Syste
cu
source is still on and connected.
e BMC supports DianaScope, which allows remote server management th
Chapter 6 or online document in the EXPRESSBUILDER CD-ROM for DianaScope.
e major function of the BMC is to autonomously monitor system management events, and log their occurrence in the
-volatile System Event Log (SEL). The events being monitored include overheating and overvoltage conditions, fan
lure, or chassis intrusion. To enable accurate monitoring, the B
R), from which sensor information can be retrieved. The BMC provides an ISA host interface to SDR sensor
rmation, so that software running on the server can poll and retrieve the server's current status.
e BMC performs the following:
Monitors server board temperature and voltage
Monitors processor presence and controls Fault Resilient Boot (FRB)
Detects and indicates fan failure
Manages the SEL interface
Manages the SDR Repository interface
Monitors the SDR/SEL timestamp cl
itors the system management watchdog timer
onitors the periodic SMI timer
onitors the event receiver
ontrols secure mode, including video blanking
k/unlock initiation
ntrols Wake On LAN via Magic Packet support.
n Feature
tion feature automatically isolates a failed D
self-dia
hen the POST (Power On Self-Test,
r cooling fan.
Ms, processors, and cooling fans may be identified on the screen that the POST displays, or with the BIOS
ETUP." They may also be id
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