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A motherboard, also known as a mainboard, system board, or logic boards on Apple Computers, and sometimes abbreviated as mobo (generally credited to the magazine Maximum PC) is the central or primary circuit board making up a complex electronic system, such as a modern computer.

A typical computer is built with the microprocessor, main memory, and other basic components on the motherboard. Other components of the computer such as external storage, control circuits for video display and sound, and peripheral devices are typically attached to the motherboard via ribbon cables, other cables, and power connectors.

There is more information about IBM-compatible personal computers in PC motherboard.

Form factors

Motherboards are available in a variety of form factors, which usually correspond to a variety of case sizes. The following is a summary of some of the more popular PC motherboard sizes available:

PC/XT - the original open motherboard standard created by IBM for the first home computer, the IBM-PC. It created a large number of clone motherboards due to its open standard and therefore became the de facto standard.; AT form factor (Advanced Technology) - the first form factor to gain wide acceptance, successor to PC/XT. Also known as Full AT, it was popular during the 386 era. Now obsolete, it is superseded by ATX.; Baby AT - IBM's successor to the AT motherboard, it was functionally equivalent to the AT but gained popularity due to its significantly smaller physical size. It usually comes without AGP port.; ATX - the evolution of the Baby AT form factor, it is now the most popular form factor available today.; ETX, used in embedded systems and single board computers.; Mini-ATX - essentially the same as the ATX layout, but again, with a smaller footprint.; microATX - again, a miniaturization of the ATX layout. It is commonly used in the larger cube-style cases such as the Antec ARIA.; FlexATX - a subset of microATX allowing more flexible motherboard design, component positioning and shape.; LPX - based on a design by Western Digital, it allows for smaller cases based on the ATX motherboard by arranging the expansion cards in a riser (an expansion card in itself, attaching to the side of the motherboard - image). This design allows the cards to rest parallel to the motherboard as opposed to perpendicular to it. The LPX motherboard is generally only used by large;

OEM manufacturers.

Mini LPX - a smaller subset of the LPX specification.; NLX - a low-profile motherboard, again incorporating a riser, designed in order to keep up with market trends. NLX never gained much popularity.; BTX (Balanced Technology Extended) - a newer standard proposed by Intel as an eventual successor to ATX.; microBTX and picoBTX - smaller subsets of the BTX standard.; Mini-ITX - VIA's highly-integrated small form factor motherboard, designed for uses including thin clients and set-top boxes.; WTX (Workstation Technology Extended) - a large motherboard (more so than ATX) designed for use with high-power workstations (usually featuring multiple processors or hard drives.;

Read more at Wikipedia.org


Asus P4P800 Deluxe 478 MotherBoard, P4C800, P4C800-E US $68.00 Gateway Motherboard 40GAB1800-F220 Processor Included US $199.00
HP Pavilion DV9000 DV6700 965GM Motherboard 447983-001 US $169.99 Dell Latitude C500 C600 Motherboard - 1D197 01D197 US $9.99
DIY HP DV6000 Repair Your Video Chip Step By Step (DIY) US $30.00 Intel D845GVAD2 Socket 478 Micro ATX Motherboard COMBO US $49.95
ASUS 1156 Intel P55 chipset ATX MB Maximus III Formula US $231.99 Intel D845GEBV2 Socket 478 ATX Motherboard (COMBO) US $49.95
ASUS A8N-SLI SE Socket 939 PCI-E MotherBoard EMS US $74.99 Dell HJ054 Motherboard Dimension E510 5150 5100 WG261 US $93.00
MSI K8N Neo4 Platinum SOCKET 939 nF4 Ultra Motherboard US $99.99 Dell Dimension 9200 / XPS 410 Motherboard WG855 CT017 US $107.00
New Dell Dimension 3100/E310 Motherboard JC474 WJ770 US $57.99 Dell WG261 Motherboard Dimension E510 5150 5100 J8885 US $89.00
Dell Inspiron 531 531s AMD Motherboard RY206 0RY206 US $51.99 Dell Dimension E521 Motherboard - UW457 CT107 HK980 US $50.00
ASUS LGA 1366 USB 3.0 SATA 6Gb/s ATX MB Sabertooth X58 US $204.99 ASUS K8V-VM Motherboard HP Socket 754 VIA US $43.88
MSI P55M-GD41, LGA 1156 DDR MB NEW!!! US $115.19 Motherboard - Micronics - MB-66462261 with Socket 7 CPU US $20.00
Zotac NF610I-L-E, LGA775 GeForce 7050 MB, Retail NEW!!! US $55.10 HP Pavilion Desktop Motherboard ASUS A7V-VE (Columbia) US $39.00
INTEL DP45SG LGA775 1333/1066/800MHz MAINBOARD DDR3 US $89.00 HP IQ506 Motherboard. 5189-2525 IMISR-CF Revision. 104 US $50.00
COMPAQ PRESARIO V6000 Motherboard KIT US $69.99 Acer Aspire 5920 5920G PM965 Motherboard DA0ZD1MB6F0 OK US $224.99
Gigabyte GA-H55M-S2, LGA 1156 DDR MB NEW!!! US $90.59 Working Dell Inspiron 1521 motherboard & AMD x2 CPU US $99.99
VIA Epia-CL 10000 Motherboard On-board 1GHz VIA C3 CPU US $65.99 ASUS A8N-BR AM2 motherboard Mini-ITX GeForce 6150 LE US $54.99
HP xw6200 MOTHERBOARD Dual 604 Xeon 350447-001 PCI-E US $69.99 ASUS A7V880 Motherboard Socket A 462 ATX KT880 FREE CPU US $41.99
IBM THINKPAD R51 MOTHERBOARD SYSTEMBOARD 93P4222 UNTEST US $24.99 IBM THINKPAD T30 P4 MOTHERBOARD SYSTEMBOARD 26P8205 US $29.99
IBM THINKPAD T30 MOTHERBOARD SYSTEMBOARD 91P7695 US $29.99 Intel D845EPI Socket 478 Micro ATX Motherboard (COMBO) US $59.95
DELL Latitude D630 Motherboard Quadro + Base PN302 OK US $129.99 HP DV7-2100 Series NEW OEM INTEL Motherboard 516294-001 US $129.00
Acer Aspire AS 5920 5920G GM965 Motherboard DA0ZD1MB6G0 US $228.99 Apple iMac G4 1Ghz 17" Logic Board 661-2795 820-1501 US $99.99
Compaq R3000 Laptop P4 Motherboard 350828-001 US $25.00 Intel Exteme Series DX58SO DT Motherboard-New, Open Box US $100.00
DIY HP DV6000 Motherboard-Video Chip Repair-StepByStep US $30.00 Lenovo 3000 C200 Motherboard with Celeron M 1.66Ghz CPU US $129.00
Logic Board for iMac G5 17" 1.8Ghz 661-3597 820-1540-A US $99.99 Sony Vaio VGN-FJ250P Motherboard A-1143-861-A US $25.00
ASUS P5N SLI CORE 2 DUO LGA775 INTEL MOTHERBOARD P5NSLI US $29.95 Dell XPS M1210 Intel Motherboard P/N: R055P , Tested US $180.00
ASUS mATX AMD HDMI Motherboard M4A785-M HD AM3 AM2+ AM2 US $54.99 HP Pavilion DV6000 Motherboard-Video Chip Repair DIY US $30.00
Toshiba Satellite L505 motherboard V000185020 US $125.00 Dell Latitude D610 Motherboard Only 4Repair/Part #309 US $19.99
Dell Latitude D600 Motherboard Only! 04U621 TESTED #308 US $39.99 71-D6100-D02 MotherBoard Sager D610S US $29.99
QUANTA SW1 MODEL EAA-89 MOTHERBOARD DAOSW1MB8E3 TESTED US $79.83 NEW Intel Extreme Series DP55KG P55 LGA1156 ATX i7/i5 US $179.99
HP PAVILION DV6000 MOTHERBOARD 443775-001 TESTED US $94.83 ECS Geforce6100SM-M V1.0 Motherboard US $10.00
DFI UT NF590 SLI-M2R/G Athlon 64 ATX NVIDIA nForce 5... US $49.99 Dell Inspiron 5150 motherboard boots but no charge a/c US $9.99
DELL Optiplex GX270 Desktop ATX Motherboard CN-0Y1057 US $23.33 HP Pavilion DV6000 Motherboard 434722-001 US $40.00
ASUS P5B-E Plus All High Conductive Polymer Capacitors US $91.98 TOSHIBA SATELLITE MOTHERBOARD (PARTS ONLY) US $25.00
Motherboard 4 Sony FJ270 DA0RD1MB8D0 MBX-145 A1143861A US $99.96 Motherboard 4 Sony FJ270 FJ290 A1143861A MBX-145 Tested US $94.96
Motherboard for HP Pavilion 370477-001 ZV5000 ZV5330 US $99.96 Motherboard For Acer Aspire 3610 48.4E101.011 Laptops US $126.96
BIOSTAR U8668 Socket 478 Micro ATX Motherboard (COMBO) US $39.95 Panasonic Toughbook CF-29 Motherboard US $9.00
Asus M3A Rev1.01G Socket AM2+ Motherboard 0406 US $53.99 MotherBoard 4 Fujitsu Stylistic ST4110 CP132310 Laptop US $103.96
Asus P6X58D-E Motherboard US $200.00 Motherboard 4 Fujitsu LifeBook P1510D CP248251 Laptop US $159.96
Motherboard for CP183051-Z2 Fujitsu LifeBook S 6210 US $100.99 AMD Motherboard For HP 407830-001 DV5000 Series Tested US $95.96
Laptop Mini PCI-E Express diagnostic post tester card US $31.34 MotherBoard For Fujitsu CP095750-Z4 C-6631 C Series US $103.99
Motherboard For HP Pavilion dv6000 Series 434722-001 US $98.99 HP DV2000 2600 Intel Motherboard HDMI 448596-001 US $164.56
MotherBoard For Acer Aspire 9410 48.4G902.02M Laptops US $149.94 HP DV9000 LAPTOP MOTHERBOARD TESTED-P/N: 434659-001 US $155.00
HP dc7800 SFF MOTHERBOARD LGA775 437793-001 US $39.99 MotherBoard For Acer Aspire 3680 31ZR1MB00B4 Tested US $128.96
TOSHIBA X205 LAPTOP MOTHERBOARD TESTED-P/N: K000056590 US $195.00 HP DV5 LAPTOP MOTHERBOARD TESTED-P/N: 482325-001 US $175.00
Working-Asus Motherboard P4SD socket 478 + 2.8Ghz INTEL US $29.99 AMD MotherBoard For Acer Aspire 5050 31ZR3MB0030 Laptop US $128.96
470 uf /25 V / 105C LSHC capacitors, 40pcs US $6.99 Heatsink Retention Module for AMD K8 939/940 Mainboard US $3.99
MotherBoard For Acer TravelMate 4010 31ZL1MB00F3 Tested US $129.99 MotherBoard For Acer TravelMate 4000 31ZL1MB0021 Laptop US $128.99
518433-001 HP Pavilion dv6-1200 dv6t-1100 motherboard US $189.99 Sony VGN- FX Series Keyboard (NEW) US $29.99
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Prices current as of last update, 09/07/10 4:25am.


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