Congatec COM Express conga-B915 Manual de usuario descargar pdf (Pagina 8)

Watchdog Events

No Trigger

Multi Stage

NMI Reset

Power

Button

ACPI

Event

NMI

Routine

Switch

ON/Off

Hardware

Reset

Hardware

Reset

Shutdown

or Reset

ACPI

Event

congatec Embedded BIOS

ACPI Support

Power Management and System Conﬁguration

is supported by the congatec BIOS according to

the ACPI speciﬁcation.

Multi Stage Watchdog Timer

All congatec modules

are equipped with a

multi stage watchdog

timer supporting differ-

ent events such as NMI,

hardware reset or power

button. It can either as-

sert a single event and/

or any combination of

these events. Triggering

can happen by software

and/or external OEM

hardware.

congatec Board Controller

An onboard µc fully isolates some of the embed-

ded features such as system monitoring or the

I²C bus from the x86 core architecture, which

results in higher embedded feature performance

and more reliability.

Fast Mode I²C Bus

The I²C Bus is a low speed bus interface often

used for sensors, converters or data storage in

embedded applications. All congatec modules

offer a 400 kHz multi-master I²C Bus that provides

maximum I²C bandwidth.

BIOS Setup Data Backup

The BIOS CMOS settings are held in ﬂash memory

to allow battery-less applications.

Customer speciﬁc CMOS Defaults

The congatec embedded BIOS allows the cus-

tomer to store their own defaults in ﬂash memory.

This helps reduce the need for customized BIOS

versions.

Manufacturing Data Storage

The congatec board controller provides a

rich data set of manufacturing and board in-

formation: Serial Number, Article Number, EAN

Code, Manufacturing and Repair Date, System

Statistics and more. The BIOS also keeps track

of dynamically changing running time and

boot count data. All this data is accessible by

a uniform API.

User Data Storage Area

congatec modules provide 32 Bytes of non vola-

tile storage in the EEPROM and a 64 kByte block

in the BIOS ﬂash memory.

Customer Logo

The BIOS can display a custom logo instead of

the traditional diagnostic output during POST. With

the congatec embedded BIOS customers can

now integrate an OEM logo into the standard

BIOS by themselves.

Hardware Monitoring

The congatec BIOS already has the routines to

monitor critical components implemented. Fans,

operating voltages and several temperature

sensors can be monitored without incurring ad-

ditional development costs.

Flexible BIOS Expansion

Customer speciﬁc code can be executed while

booting the system. During power on self test

(POST) the congatec BIOS can give control to

customer speciﬁc code. This gives customers

more ﬂexibility to initialize special hardware

extensions.

32 Bit Uniform OS API

The congatec embedded BIOS Features are ac-

cessible through a uniform 32 Bit API.

congatec System Utility

All Embedded BIOS features are accessible

through the use of a congatec Windows tool.

This includes all manufacturing and statistical

information; e.g. serial number, running hours,

boot counter etc. BIOS default settings, bootlogo

and ﬂat panel conﬁgurations can easily be pro-

grammed using this ﬂexible and powerful tool.

Board Support Packages

congatec offers advanced BSPs, which include

both the latest tested drivers from silicon vendors

and the congatec speciﬁc drivers for access-

ing all of our additional embedded BIOS and

module features.

congatec Embedded BIOS

Embedded computer users usually require more than the standard functionality of an office computer. We at

congatec have taken these requirements into account when designing our BIOS functionality. By drawing on the

wealth of information that has been gathered as a result of many man-power years of combined experience in

BIOS development, we have implemented the special requirements of an embedded BIOS into the congatec

BIOS.

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