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 CPU (pronounced as separate letters) is the abbreviation for central processing unit. Sometimes referred to simply as the central processor, but more commonly called processor, the CPU is the brains of the computer where most calculations take place. |
 The processor socket (also called a CPU socket) is the connector on the motherboard that houses a CPU and forms the electrical interface and contact with the CPU.Processor sockets use a pin grid array (PGA) where pins on the underside of the processorconnect to holes in the processor socket. |
 LGA 1150 is designed as a replacement for the LGA 1155 socket, which is also known as Socket H2. The LGA 1150 socket has 1150 protruding pins that make contact with the pads on the bottom side of the processor. Cooling systems for LGA 1155 andLGA 1156 sockets are forward compatible with LGA 1150, due to them all sharing the same distance of 75 mm between each screw hole. Most motherboards with the LGA 1150 socket support varying video outputs (VGA, DVI or HDMI – depending on the model) and Intel Clear Video Technology. |
 LGA 1150, also known as Socket H3, is a microprocessor socket used by Intel's central processing units (CPUs) built on the Haswell microarchitecture. This socket is also used by the Haswell's successor, Broadwell microarchitecture. |
 LGA 1156, also known as Socket H[2][3] or H1, is an Intel desktop CPU socket. LGA stands for land grid array. Its incompatible successor is LGA 1155 |
 LGA 1156, along with LGA 1366, were designed to replace LGA 775. Whereas LGA 775 processors connect to a northbridgeusing the Front Side Bus, LGA 1156 processors integrate the features traditionally located on a northbridge within the processor itself. The LGA 1156 socket allows the following connections to be made from the processor to the rest of the system: |
 LGA 1366, also known as Socket B,[2][3] is an Intel CPU socket. This socket supersedes Intel's LGA 775 (Socket T) in the high-end and performance desktop segments. It also replaces the server-oriented LGA 771 (Socket J) in the entry level and is superseded itself by LGA 2011. LGA stands for land grid array. This socket has 1,366 protruding pins which touch contact points on the underside of the processor (CPU)[4] and accesses up to three channels of DDR3 memory via the processor's internal memory controller. |
 Socket 1366 (Socket B) uses QPI to connect the CPU to a reduced-function northbridge that serves mainly as a PCI-Express controller. A slower DMI is used to connect Intel's most recent northbridge and southbridge components. By comparison, Intel'ssocket 1156 (Socket H) moves the QPI link and PCI-Express controller onto the processor itself, using DMI to interface a single-component "chipset" (now called PCH) that serves traditional southbridge functions. The difference in pin number is mostly a reflection of the number of memory channels served. |
 You replace a customer's HDD with a Single Ended SCSI system using approximately eight meters of cables in the SCSI system. After this installation the peripherals have stopped functioning. What do you suspect? |
 Single Ended SCSI systems don't work if the total cable length exceeds meters |
