ATX motherboard

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ATX motherboard

(Advanced Technology EXtended motherboard) The PC motherboard that superseded the Baby AT design. The ATX layout rotated the CPU and memory 90 degrees, allowing full-length expansions to be plugged into all sockets. The power supply blows air over the CPU rather than pulling air through the chassis.

Introduced in 1995, the ATX was the first PC motherboard to not only include I/O support (serial, parallel, mouse, etc.), but to place all the connectors directly on the motherboard. Prior to the ATX, only the keyboard connector was attached to the motherboard.

Numerous variations of the ATX were subsequently introduced with both smaller and larger form factors, including the microATX, Mini ATX, FlexATX and Extended ATX (see PC motherboards).


The ATX Motherboard
The motherboard glues all the components of a computer system together via its various slots, connectors and ports. In this case, Socket A is for an AMD Athlon XP CPU. DDR slots hold SDRAM memory modules, and the AGP and PCI slots hold the adapter cards. The back panel ports stick through the back of the case. (Image courtesy of ASUSTeK Computer Inc., www.asus.com)
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The carrier board is a FlexATX form factor featuring x16 PCI Express, or dual DVI and SVGA capability.
Intel Corporation has been quick to adopt the MoM architecture and plans to integrate Motorola's soft modem technology in its new FlexATX desktop board family, which enables smaller, sleeker form factors.
The only screws required in the assembly of the H420 are for securing the motherboard (the case accepts either microATX or flexATX boards).
The Procelerant(TM) Endura AB915GM is a FlexATX motherboard based on the Intel(R) Pentium(R) M processor and supports the new Intel(R) 915GM Express chipset.
The VIA EPIA M10000 also offers support for the latest LVDS embedded LCD panels, has one PCI slot for expandability options, and is compatible with a full range of Mini-ITX chassis as well as FlexATX and MicroATX enclosures.
5-inch -- a size that also makes it suitable for use in FlexATX chassis) with dual 10/100 Ethernet communication ports.
The CNR specification defines a new riser solution for ATX, microATX, and FlexATX desktop boards.
Intel's D810E2CB desktop board enables scaleable integrated FlexATX designs with optional on-board LAN and two PCI slots, providing versatile, cost-effective industrial designs.
Intel also announced two new desktop boards for OEMs that support the Intel 810E2 Chipset, the microATX D810E2CA3 and FlexATX Intel Desktop Board D810E2CB.
Intel's Hardware Implementation Guides and the FlexATX motherboard specification, in addition to concept PC designs shown at IDF and WinHEC, are further examples of Intel's efforts to enable the creation of legacy-reduced, simpler PCs.
5 inch) -- a size that also makes it suitable for use in FlexATX chassis -- with a 4X AGP slot and three PCI slots.
5 inches, the PW810 can be used both in micro ATX and FlexATX chassis," said Mitchell.