Dell Optiplex Computer and Motherboards

The Dell Business-Class OptiPlex(tm) computer is the premier work horse computer for medium and large businesses and schools. The OptiPlex is also popular with computer enthusiast and computer technicians.

The OptiPlex computer is sold to businesses all over the world and to to individuals as well. When upgrading or replacing their computers, many businesses will resell their OptiPlex computers to a hungry market for good used computers. Dell also sells it used/refurbished OptiPlex and other computers at its outlet web site.

Due to its popularity, there is a large secondary market for the OptiPlex including parts like motherboards.

The OptiPlex computer has a proprietary motherboard along with the power supply which make the OptiPlex impossible to upgrade with standard form factor motherboards.

Specifications
-Supports Pentium 4 CPU
-815 chipset
-integrated 3Com 3C920 Ethernet adapter
-integrated sound
-low-profile 16MB TNT2 Pro AGP card
-Holds up to 1GB of RAM (133)
-Supports up to 2.2 GHz processor
-Socket 478
Features
-Motherboard is attached to a tray; motherboard can be removed without any tools.
-Same motherboard fits into three GX240 chassis: Small Form-Factor Desktop, Small Desktop, and the Small Mini-Tower System.
-A PCI expansion card is used on the small mini-tower giving two additional PCI slots.
-MB is 8.75 in x 9.5 in w/o expansion card.
-MB is 10.5 in x 9.5 in w/expansion card.

Dell OptiPlex GX240 Detailed Information

Specifications
-Pentium III/933 CPU
-128MB PC133 SDRAM
-i815 chipset
-integrated 3Com 3C920 Ethernet adapter
-integrated sound
-low-profile 16MB TNT2 Pro AGP card
-512mb maximum memory, 168-pin DIMM, SDRAM, PC133 (DIMMs must be non-error checking and correction [non-ECC])

Features
-Motherboard is attached to a tray, motherboard can be removed without any tools.
-Same motherboard fits into three GX150 chassis: Small Form-Factor Desktop, Small Desktop, and the Small Mini-Tower System.
-A PCI expansion card is used on the small mini-tower giving two additional PCI slots.
-MB is 8.75 in x 9.5 in w/o expansion card.
-MB is 10.5 in x 9.5 in w/expansion card.

Dell OptiPlex GX150 Detailed Information

There are two common causes for the OptiPlex GX270 to not boot up. The problems are well documented and may or may not be covered by Dell's warranty program.

The first, and probably the most common reason a OptiPlex GX270 will not start or boot up is more...