PCI-946-1 and P3S440BX Technical Reference manual
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PCI-946-1 and P3S440BX Technical Specifications (cont’d)
FEATURES
DESCRIPTIONS
Supervisory
Two-stage software programmable watchdog timer drives NMI on 1
st
stage, system reset on 2
nd
stage.
Time out from 16ms to 4.25min.
CPU temperature monitor/alarm.
Board temperature sensor.
Power failure/low battery detector.
Two end-user defined open-drain general purpose I/O; SMBus, I
2
C Bus.
Serial ID Number
Device
Serial ID Tag for unique board identification.
The 48-bit serial number device contains the board’s unique serial
number. The number can be read by software.
For instructions on accessing this device, contact Kontron’s Technical
Support.
4KB Serial EEPROM
The 4KB serial EEPROM device is non-volatile memory.
This storage area is completely user-defined.
For instructions on accessing this device, contact Kontron’s Technical
Support.
Watchdog Timer
A two-stage software programmable watchdog timer drives a NMI on 1
st
stage, and the system reset on 2
nd
stage.
Power Fail Detection
Monitoring either the real time clock and CMOS RAM power source
(3.6V onboard or offboard battery), or an offboard battery of arbitrary
voltage (a resistor must be installed to provide the appropriate voltage
attenuation).
Thermal Management
Advanced thermal management with resume and overheat alarm for
CPU including an audio alarm. Auto Slow Down CPU When Over
Temperature.
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