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2
Rev 1.2
Features
(Continued)
P
Device-Specific Information
The following table shows the main features for the devices in the PC87431x family.
The package type is specified by two letters (L, T or V) that follow the part number:
G
LLP package - PC87431xxx/L
G
TSSOP package - PC87431xxx/T
G
PLCC package - PC87431xxx/V
Features
I
Three SMBus 2.0 compatible Interfaces
System Chassis Control
Digital Input Events and General-Purpose Outputs
I
I
IPMI and DMTF/ASF Support
Supports
Intelligent Platform Management Interface
(IPMI) Specification v1.5
(Revision 1.1), February 20,
2002
Supports LAN Alert sending as SNMP Trap in
IPMI
Platform Event Trap Format v1.0
, December 7, 1998
Supports
Intelligent Chassis Management Bus (ICMB)
Bridge Specification v1.0
, May 11, 2000
I
Supports
Distributed Management Task Force (DMTF)
Alert Standard Forum (ASF) Specification Version
1.03
, June 20, 2001
Secure Authentication, based on
RFC 1321, The MD5
Message-Digest Algorithm
, R. Rivest, MIT Laboratory for
Computer Science and RSA Data Security, Inc., April
1992
I
I
I
I
Host Interface
I
Fault Resilient Booting (FRB) support with autono-
mous system reset, power cycling and CPU or BIOS
switch.
Critical event alerting from system monitoring device
on peripheral SMBus interface
I
Peripheral Interface
ASF or LMxx (such as LM85, LM87, LM88, LM90) de-
vices for system health monitoring
Supports PC87417 LPC SuperI/O for Servers and
Workstations.
I
I
Integrated ADC Channels and Fan Control
(PC87431S/H)
10-bit successive approximation Analog to Digital con-
verter (up to 12 channels)
Fan Speed Control for three fans
Fan Speed Monitor for two fans
I
I
I
Internal
E
2
PROM
Stores the following:
—
PEF-style sensor table
—
Sensor configuration table
—
Customizing table
—
512 bytes for FRU Inventory or OEM data
I
Clocking, Supply and Package Information
Strap Input Controlled Operating Modes:
—
Inhibit mode
I
I
Clocks:
—
Single 10 MHz crystal oscillator
I
Power Supply:
—
Single supply operation: 4.7V-5.5V
I
Package Options:
—
48-pin TSSOP
—
44-pin LLP and PLCC
Function
PC87431M
PC87431S
PC87431H
Remote Chassis Control
Remote Boot Options
LAN Configuration and Alerting
System Health Monitoring
System Event Log (SEL)
Field Replaceable Unit (FRU) Inventory
Platform Event Filtering
Watchdog and FRB
External Sensors Interface
Internal Sensors: ADC Channels and Fan
Authentication
ICMB Interface
ASF Support
-
MD5
-
-
MD5
-
-
MD5