Current MotherBoard form factor & Processor Socket types:
...AT:
...Baby AT: 11.2" wide x 8.2" deep
...microATX: 9.6" wide x 9.6" deep (244mm x 200mm).
...Mini-ATX: 11.2" wide x 8.2" deep.
...Flex ATX:9.0" wide x 7.5" deep (229mm x 190.5mm). Differs from microATX; new socketed processor, smaller, ATX 2.03 I/O panel
...NLX: From (9.0" wide x 13.6" deep) to (8.0" wide x 10.0" deep) and any size in between.
...LPX: 250mm x 220mm
...WTX: (workstations)
...ATX: 12" wide x 9.6" deep (305mm x 244mm). Essentially a Baby AT mother board rotated 90 degrees in the chassis.
........Slot 1: Pentium II/III, Celeron
........Slot 2: Dual Xeon
........Slot A: AMD Athlon, Thunderbird, Duron K7;
........Socket A: AMD Athlon
........Socket 7: Pentium, AMD K6-2, K6-III; (Super 7): TBD
........Socket 370: Pentium II/III, Celeron
........Socket 393: AMD Athlon
........Socket 423: Pentium 4
........Socket 754: AMD Athlon
........Socket 478: Pentium 4, smaller than Socket 423
...Extended ATX: 12" x 13.05" (W x H)
...BTX: (Balanced Technology Extended) 325.12mm wide x 266.70mm deep
........microBTX: (Balanced Technology Extended) 264.16mm wide x 266.70mm deep
........picoBTX: (Balanced Technology Extended) 203.20mm wide x 266.70mm deep
...ITX: 220mm x 170mm
........mini-ITX: 170mm x 170mm
........nano-ITX: TBD
Embedded Mother Board Formats:
........EBX; 8.00" x 5.75"
........ETX; (Embedded Technology eXtended) 95mm x 111.6mm (5.75 x 8 inches)
........ETXexpress; (Embedded Technology eXtended) 90mm x 125mm, based on the PCIexpress bus oooo
........SOM-ETX; System On Module - ETX) 4.50" x 3.70" (114mm x 95mm)
........5.25" Mini Module; 8.0" x 5.75" (203mm x 146mm)
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