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An ATX motherboard Comparison of some common motherboard form factors (pen for scale). ATX (Advanced Technology Extended) is a motherboard and power supply configuration specification, patented by David Dent in 1995 at Intel, [1] to improve on previous de facto standards like the AT design.
Baby AT motherboard An ATX Form Card, used by later Baby-AT motherboards to allow for USB, PS/2 mouse, and IR connectivity through headers. In 1987, the Baby AT form factor was introduced, based on the motherboard found in the IBM PC/XT 286 (5162) [2] and soon after all computer makers abandoned AT for the cheaper and smaller Baby AT form factor, using it for computers that spanned several ...
Although it is a slower process, form factors do evolve regularly in response to changing demands. IBM's long-standing standard, AT (Advanced Technology), was superseded in 1995 by the current industry standard ATX (Advanced Technology Extended), [1] which still governs the size and design of the motherboard in most modern PCs. The latest ...
Some motherboards have two or more PCI-E x16 slots, to allow more than 2 monitors without special hardware, or use a special graphics technology called SLI (for Nvidia) and Crossfire (for AMD). These allow 2 to 4 graphics cards to be linked together, to allow better performance in intensive graphical computing tasks, such as gaming, video ...
Compared to Mini-ITX, microATX motherboards have a maximum of four expansion slots and four DIMM slots, as opposed to the single expansion slot and two DIMM (or SO-DIMM [9]) slots on Mini-ITX motherboards. This means that microATX allows dual-graphics card and quad-channel memory configurations. [10]
Motherboard diagram, created in 2007, which supports many on-board peripheral functions as well as several expansion slots. The functionality found in a contemporary southbridge includes: [8] [2] PCI bus. A south bridge may also include support for PCI-X. Low speed PCI Express (PCIe) interfaces usually for Ethernet and NVMe. ISA bus or LPC ...
The label also became a standard term in reference to PCs that used the same type of power supply, case, and motherboard layout as the 5170. AT-class became a term describing any machine which supported the same BIOS functions, 80286 or greater processor, 16-bit expansion slots, keyboard interface, 1.2 MB 5 + 1 ⁄ 4 inch floppy disk drives and ...
The Advanced Graphics Riser is a variation of the AGP port used in some PCIe motherboards made by MSI to offer limited backward compatibility with AGP. It is, effectively, a modified PCIe slot allowing for performance comparable to an AGP 4×/8× slot, [ 20 ] but does not support all AGP cards; the manufacturer published a list of some cards ...