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Various processor packages, their reasons for existence, motherboard compatibility, and cooling solutions. Topics include the cpu package, reasons for different packages, motherboard slots and sockets, and processor cooling. Learn about the pin grid array (pga) and single edge cartridge (sec) packages, as well as motherboard compatibility issues and cooling methods.
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Physical Aspects of the Processor September 6 (Day); September 5 (Night) Processor Packages:
size, and external features (p. 33).
As CPUs became faster and smarter, they used more pins to link them to the motherboard. As CPUs became faster and smarter, they tend to run hotter than older, less sophisticated CPUs.
extending from its bottom (p. 34). An example of a PGA processor.
slot on the motherboard. It is rarely seen outside the Pentium II (p. 33). An example of an SEC processor. Motherboard Compatibility: o A slot or socket is the physical connection used to connect a processor to the motherboard. The processor slot or socket on the motherboard must match the slot or socket required by your processor.
connection where the processor lies flat into the motherboard. Typically, processors with a PGA form factor plug into sockets.
Typically, processors with an SEC form factor plug into a slot.
on complex issues such as the socket or slot type or CPU speed (p. 38). o Motherboards come with motherboard books that describe in great detail all of the technical aspects of the motherboard. Here is the best place to look for motherboard compatibility (p. 39).
cannot rely on entirely on the make and model of a CPU to determine whether your motherboard supports it (p. 39): Pentium 4 processors, for example, come in two varieties: Socket 423 and Socket 478 (p. 39).
o Socket 7 – 321 pins; used Pentium class chips, from 75MHz on up, MMX processors, the AMD K5, K6, K6-2, K6-3, 6x86, M2 and M3, and Pentium MMX Overdrives. Socket 7 o Slot 1 – 242 pins; rectangular; used in all Pentium 2; used by older Pentium 3 and Celeron. o Slot A – used by AMD Athlon o Socket 370 – 370 pins; used by newer Pentium 3’s.
o The temperature of the processor must be kept below the Intel maximum temperature of 185 degrees Fahrenheit. Using a heat sink and a fan can lower this temperature to 90-110 degrees Fahrenheit.
may dissipate it (p. 47). Between the heat sink and the processor, you should apply thermal compound. Thermal compound prevents heat from escaping the area between the processor and heat sink (p. 48).
Fans are judged according to size, airflow, and noise (p. 48).
or fan; used to eliminate air gaps and prevent heat from escaping before it reaches the heat sink or is cooled by the fan. Thermal Compound