Compaq Extension manual Legacy Super I/O support in Bios, Cmos backup in Bios

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6 Software extensions

MARS = Mobile Application platform for Rechargeable Systems

Please following the link listed below to the document where you can find more information regarding a Smart Battery reference system:

http://emea.kontron.com/products/computeronmodules/etx/mars.html

6.3Legacy Super I/O support in BIOS

Although COM Express™ is meant for legacy free syst ems there still often is the need for legacy interfaces like serial port, parallel port, floppy, etc.

To make an adaption of these ports possible the BIOS of COM Express™ modules has integrated support for LPC SUPER I/O chips. For detailed description, please see the COM Express™ Design Guide.

More information:

http://www.comexpress-extension.com/datasheet/COM_Express_Design_Guide_Rev_14.pdf

6.4CMOS backup in BIOS

CMOS backup is supported by the BIOS.

Customer settings are saved in spite of battery remove in the EEPROM.

6.4.1Console redirection in BIOS

(More information: TBD)

6.4.2User editor for default settings

(More information: TBD)

Copyright © COM Express™ Extension

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Specification Rev 013

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COM Express Extension Specification This page intentionally left blank Table of Contents 2 PCI User Information About This DocumentCopyright Notice Technical SupportCOM Express Extension Specification IntroductionCOM Express Extension Design Guide COM Express Computer-On-ModuleCopyright COM Express Extension Specification Rev Objective COM Express Module sizes Overview Module SizeFigure Overview three module sizes Small Form Factor nano, COM Express TypeFigure Small Form Factor nano Table Graphic Signal Description Row C for Pin- out Type Signal DescriptionGraphic Signal Description Table Graphic Signal Description Row D for Pin- out Type Tmds Clock + Tmds Clock Wide Range Input Power for nano SmallFormFactor SFF Hardware extensionsGpio General Purpose I/O Recommended Use GPO0Alternative Gpio use for Sdio Interface Sdio Pin descriptionElectrical characteristics Thermal ControlTPM support Smart Battery Bios supportSoftware extensions Legacy Super I/O support in Bios Cmos backup in BiosConsole redirection in Bios User editor for default settings1 ISA, Standard PS/2 Connectors Apendix a PC Architecture InformationBuses General PC ArchitecturePorts 1 RS-232 SerialSerial ATA 3 USBProgramming Appendix B DOCUMENT-REVISION History