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This is a listing of Personal Computer (PC) Mother Board manufacturers. This page has a new address Mother Board Manufacturers. Mother Boards using either Intel chipsets 925X, or 915G/P will support the new PCI Express standard [PCI-E, PCIe]. An AMD processor will use the SiS756 chipset the VIA K8T890, or the VIA K8M890 The new BTX form factor supports the Audio/Visual {A/V], Home Theater PC style chassis. Power supplies for the Personal Computer are listed on the Power Supply Manufacturers page. Cases for the Personal Computer are listed on the Chassis and Case Manufacturers page. The top level personal computer page is listed on the Computers and Peripheral Manufacturers page. Use the Buses Icon at the bottom of the page to access Computer Bus descriptions.
AAEON Electronics Inc. {Embedded MotherBoards, Compact/Subcompact Boards, ETX Motherboards}
ABIT Ltd. {MotherBoards with PCI Express slots}
ACROSSER U.S.A {EBX, Embedded PCs}
American Megatrends 'AMI'
American Predator Corp. {ATX/LPX/Baby AT/EBX MotherBoards}
Ampro {Embedded Processor}
AOpen {AMD/Intel Processors}
Arise {AT/ATX Passive PC ISA/-ISA PCI/PISA Backplanes}
ASUS {MotherBoard with PCI Express slots}
Bustronic Corp. {ISA + PCIbus MotherBoard}
Chassis Plans Inc. {ISA + PCIbus MotherBoard}
DFI Corp. {MotherBoard with PCI Express slots}
Diamond Point International {PC ISA/ISA/PISA MotherBoard}
E.G. Technology Corp. {PC ISA/-ISA/PCI-PICMG Backplane Manufacturer}
Elitegroup Computer Systems of Taiwan
First International Computer of America, Inc 'FIC' {Mother Board with PCI Express slots}
FreeTech {MainBoards}
Gigabyte Technology {Mother Board with PCI Express slots - SATA}
Intel {Mother Board with PCI Express slots}
Iwill Corp. {815 - 845 Chipsets}
Lanner Electronics Inc. {Industrial ATX - Dual Socket Motherboard}
MSI 'Micro-Star International'
Supermicro {Mother Board with PCI Express slots - Intel 915/925 Chipsets - 4x SATA - ATX Form Factor}
Tyan Computer Corp. {Slot 1/Socket 370/Socket 478/Socket 603 MotherBoard System Board Manufacturer}
Current MotherBoard form factors; Also sub-divided into the Processor Socket types:
Socket refers to the type of processor ziff socket used. Slot refers to the Processor residing in a Daughter card.
...AT: 12" x 11" - 13" [Obsolete, replaced by the Baby-AT, and ATX form factors]
...Baby AT: 11.2" wide x 8.2" deep. Original IBM PC Motherboard
...microATX: 9.6" wide x 9.6" deep (244mm x 200mm).
...Mini-ATX: 11.2" wide x 8.2" deep. Smaller version of the ATX Mother Board.
...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: (9.0" wide x 13.6" deep) to (8.0" wide x 10.0" deep) and any size in between.
...LPX: 9" x 11" - 13" [228.6mm x 279.4 - 330.2 mm]. Expansion slots are mounted on a bus riser that connects to the motherboard.
........MiniLPX: 8" - 9" x 10" - 11" [203 - 228mm x 254 - 279mm]. Smaller version of the LPX Motherboard
...WTX: (workstations)
...ATX: 12" wide x 9.6" deep (305mm x 244mm). Essentially a Baby AT mother board rotated 90 degrees in the chassis. Released 1996.
........Slot 1: [242 pins] Intel Pentium II/III. AMD Celeron
........Slot 2: Dual Xeon
........Slot A: AMD Athlon, Thunderbird, Duron K7;
........Socket A: AMD Duron, Sempron, Thunderbird and XP Athlon microprocessors
........Socket T: Intel Pentium 4, 775 conductor Prescott CPU
........Socket 1: [169 pins] Intel 486SX, 486DX, 486DX2, 486DX4 processors
........Socket 2: [238 pins] Intel 486SX, 486DX, 486DX2, 486DX4, Pentium processors
........Socket 3: [237 pins] Intel 486SX, 486DX, 486DX2, 486DX4, Pentium. AMD, Cyrix processors
........Socket 4: [237 pins] Intel Pentium 1 66MHz
........Socket 5: [320 pins] Intel Pentium 75MHz, 133MHz
........Socket 6: [235 pins] Intel 486DX, Pentium
........Socket 7: [321 pins] Intel Pentium. AMD K6-2, K6-III; (Super 7): TBD
........Socket 8: [387 pins] Intel Pentium Pro
........Socket 370: Pentium II/III, Celeron
........Socket 393: AMD Athlon
........Socket 423: Intel Pentium 4
........Socket 462: AMD
........Socket 478: Intel Pentium 4, smaller than Socket 423
........Socket 603: Intel Pentium 4, Intel Xeon processor
........Socket 604: Intel Pentium 4, Intel Xeon processor
........Socket 754: AMD Sempron, Athlon; 64-bit, 'single-channel' memory-controller and use unbuffered (non-registered) memory
........Socket 775: Intel Pentium 4
........Socket 939: Athlon 64 and Athlon 64 FX processors [128-bit, 'dual-channel' memory-controller]
........Socket 940: AMD Athlon 64 FX, Opteron processors [Server/Workstation, require registered memory]
........Socket M2: AMD Athlon 64 Dual Core processors supporting DDR2 memory
........Socket F: AMD X2 Opteron processors [2xx 8xx server processors]
...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"
........ePCI-X; 8.00" x 5.75". Embedded PCI eXtended
........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
........EPIC; (Embedded Platform for Industrial Computing) 4.528" x 6.496" (115mm x 165mm). Contains a PC/104 stack area
........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)
There are also a number of PC power supply standards which appear as Mother Board specifications:
..ATX12V: ATX power supply specification
..CFX12V: [Compact Form Factor] power supply specification
..LFX12V: [Low Form Factor] another variation of the BTX12V power supply specification
..SFX12V: microATX and FlexATX power supply specification
..TFX12V: [Thin Form Factor] for small and low profile microATX
and FlexATX system layouts
A few Embedded Mother Board manufacturers are listed on the OEM COT's Card Manufacturers page.
Memory Module formats and manufacturers are listed on the Memory Module Formats and Manufacturers page.
{MotherBoard Manufacturers Index}
This is a general listing of Personal Computer Mother Board manufacturers. The types of products or devices they produce are listed under the company name, in alphabetic order. Mother Board form factors are listed above. Additional electronic Equipment manufacturers may be found by selecting the OEM Equipment icon below, or component manufacturers may be found by selecting the Components icon below.>
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