- In 1981, the first motherboard was used in the IBM computer that was originally known as planar.
- In August 1984, IBM introduced the full AT motherboard form factor.
- In 1985, the Baby AT motherboard form factor was released.
- In 1987, Western Digital developed the LPX motherboard form factor.
- In July 1995, the first version of the ATX specification for motherboards was released by Intel.
- In March 1997, the NLX form factor developed by Intel (in a joint effort with DEC and IBM).
- In November 1997, the first motherboard, including AGP support, was released by FIC, and by Intel in August 1997.
- In December 1997, the microATX motherboard and specification were introduced by Intel.
- In September 1998, the WTX motherboard form factor was released by Intel
- In 1999, the motherboard form factor, FlexATX, was introduced by Intel.
- In 2000, the ETX motherboard specification was introduced by Kontron.
- In 2001, TQ-Components introduced the UTX motherboard form factor.
- In November 2001, VIA Technologies developed the Mini-ITX form factor and introduced it to the market.
- In 2003, PCI-SIG introduced the PCI Express standard. Later, the motherboards, including a PCI Express slot, were also introduced in 2003.
- In March 2003, the Nano-ITX, the motherboard form factor was released.
- In 2004, NVIDIA released its SLI technology that allowed the motherboard to link two video cards together.
- In February 2004, the BTX form factor and specification for motherboards were released by Intel. Also, the PicoBTX and microBTX form factors were introduced in 2004.
- In March 2004, the Mobile-ITX form factor for motherboards was released.
- In 2005, the COM Express form factor was introduced by PICMG (a group of over 150 companies).
- In the year 2005, the XTX motherboard form factor and specification were introduced.
- In 2006, a microATX motherboard was released for computer games using two video cards, and the SWTX motherboard form factor was also introduced by supermicro in the same year.
- In April 2007, the motherboard form factor, Pico-ITX was introduced.
- In January 2007, the DTX form factor was developed by AMD; it also introduced the Mini-DTX form factor in 2007.
- In 2010, EVGA introduced the motherboard form factor, HPTX.
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