format, later HP and Fujitsu-Siemens (now Fujitsu) also offered some BTX-based computers. Most other manufacturers stayed with the ATX standard, and even the handful of manufacturers who did adopt BTX for some products continued to produce the bulk of their machines with the ATX form factor. References External links Balanced Technology eXtended (BTX) Form Factor — The Future of Cases & Motherboards from AnandTech Hardware Analysis' evaluation of the BTX proposal Anandtech's coverage of a 2004 trade show, where Intel featured BTX. "Whatever happened to BTX?" by Jon Chappell at Game Central Network Intel to offer Mini-ITX desktop board Intel Desktop Boards Products List Intel BTX chassis designs cause fury from partners Intel "persuades" hardware makers to shift to one kilo BTX heatsinks BTX information and products Documentation FormFactors.org, an Intel-sponsored website dedicated to maintaining data and tools regarding the implementation of various form factors. Balanced Technology Extended (BTX) Chassis Design Guidelines Revision 1.1 Balanced Technology Extended (BTX) Interface Specification Revision 1.0b Balanced Technology Extended (BTX) Interface Specification Errata A Revision 1.0 Balanced Technology Extended (BTX) System Design Guide Revision 1.1 Balanced Technology Extended (BTX) Entertainment PC Case Study Revision 1.0 IBM PC compatibles Motherboard form factors