ATA-ATAPI.com  
   Offers information about ATA and ATAPI devices. Also provides drivers and historical information.
   http://www.ata-atapi.com/

Technical Committee T13 AT Attachment  
   Responsible for all interface standards relating to the popular AT Attachment (ATA) storage interface utilized as the disk drive interface on most personal and mobile computers today.
   http://www.t13.org/

Computer Architecture : What is a Bus?  
   The basic computer bus is explained and information is provided regarding ISA, PCI, MCA, EISA, VESA, and VL-Bus architecture.
   http://members.tripod.com/~newwave_2/index.htm

The PC Bus Chart  
   Different bus types from A:1 Computers.
   http://www.a1computers.net/pcbustyp.htm

Beyond Logic  
   Includes detailed information on USP, serial ports (RS-232), parallel ports (SPP/ECP/EPP/IEEE1284) and device drivers.
   http://www.beyondlogic.org/

The I/O Bus  
   This article covers bus, its history and status, PCI, EISA, MCA, bus mastering, plug and play, and the bleeding edge. From Introduction to PC Hardware.
   http://sophia.dtp.fmph.uniba.sk/pchardware/bus.html

Free Online Dictionary of Computing  
   Explains what a bus is and is hyperlinked to additional information.
   http://wombat.doc.ic.ac.uk/foldoc/foldoc.cgi?query=Bus&action=Search

NetPanel  
   Interface and bus glossary.
   http://www.netpanel.com/features/computer/bus.htm

Guide to ATA/ATAPI Documentation  
   Intended for developers of IDE/ATAPI OS drivers.
   http://www.stanford.edu/~csapuntz/ide.html

Keeping Up to Speed With Connectivity  
   Anna Trett of Oxford Semiconductor looks at where connectivity standards are going and how designers can keep up with the pace of change using proven, economical, bridging solutions.
   http://www.oxsemi.com/articles/art001.html

Theregister.co.uk  
   The fight for an open hardware platform is very real, and the power has swung from the PC leaders to the entertainment industry.
   http://www.theregister.co.uk/content/archive/17419.html

Bus-net  
   The online publication for designers and builders of bus/board-based systems.
   http://www.bus-net.com/index_busnet.htm

PC Industry Hot Links  
   Compiled by A:1 Computers.
   http://www.a1computers.net/hotlinx.htm

PC/104 Supplier Link Page  
   Provides links to many PC/104 embedded computing vendors with descriptions of the company's offerings.
   http://www.pc104.com

Leroy's Engineering Web Site  
   Containing detailed interface bus standards and engineering design information.
   http://www.interfacebus.com/

The Hardware Book  
   Provides circuits, pinouts, cable and adapter descriptions plus other technical information.
   http://www.hardwarebook.net/