Compaq Extension manual Programming

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7 Apendix A: PC Architecture Information

7.4Programming

C Programmer’s Guide to Serial Communications , Second Edition, Joe Campbell, SAMS, 1987, ISBN 0-672-22584-0

Programmer’s Guide to the EGA, VGA, and Super VGA Cards, Third Edition, Richard Ferraro, Addison-Wesley, 1990, ISBN 0-201-57025-4

The Programmer’s PC Sourcebook, Second Edition, Thom Hogan, Microsoft Press, 1991, ISBN 1-55615-321-X

Undocumented PC, A Programmer’s Guide to I/O, CPUs, and Fixed Memory Areas, Frank van Gilluwe, Second Edition, Addison-Wesley, 1997, ISBN 0-201-47950-8

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Contents

COM Express Extension Specification This page intentionally left blank Table of Contents 2 PCI Technical Support User InformationAbout This Document Copyright NoticeCOM Express Computer-On-Module COM Express Extension SpecificationIntroduction COM Express Extension Design GuideCopyright COM Express Extension Specification Rev Objective Overview Module Size COM Express Module sizesSmall Form Factor nano, COM Express Type Figure Overview three module sizesFigure 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 Hardware extensions Wide Range Input Power for nano SmallFormFactor SFFGPO0 Gpio General Purpose I/O Recommended UseSdio Pin description Alternative Gpio use for Sdio InterfaceThermal Control Electrical characteristicsTPM support Smart Battery Bios supportSoftware extensions User editor for default settings Legacy Super I/O support in BiosCmos backup in Bios Console redirection in BiosGeneral PC Architecture 1 ISA, Standard PS/2 ConnectorsApendix a PC Architecture Information Buses3 USB Ports1 RS-232 Serial Serial ATAProgramming Appendix B DOCUMENT-REVISION History