Socket 5 vs. Socket 7

[snowman]

und hier ( http://users.erols.com/chare/cpu_gen.htm#socket5_7 )soeben gefunden:

What are the differences between a Socket 5 and Socket 7 motherboard?
Socket 7 is defined as a superset of Socket 5, and can handle all previous processors that worked in Socket 5.


Changes between sockets:
Socket 7 requires 5.0 amps at 3.3v, while Socket 5 only requires 4.33 amps.
The maximum power dissipation for Socket 7 is 17 watts, two watts higher than Socket 5.
Vertical clearance above the CPU was raised from 1.35" to 1.75".
Socket 7 comes with a 321st pin located at AH-32 to be used for a KEY pin, which is not electronically connected to either the CPU or the motherboard.
Pin AL-01 is changed to Vcc2DET to identify split-rail (dual voltage) processors.


Note that most all Socket 5 motherboards only support 1.5x and 2.0x multipliers, making their maximum processor speed 133MHz (66x2.0). And there are also some Socket 5 boards that can only go up to 120MHz.


While Socket 5 and Socket 7 share many similar features, Socket 5 boards are older and often have slightly different electrical characteristics. Maximum amperages and heat dissipation mentioned above are two, but not all motherboards are made equally to begin with. Unforseen problems such as ringback, bad decoupling, and other extraneous electrical anomalies can affect the operation of processors. Especially newer ones which expect a cleaner signal at higher bus speeds. Buying a third party adapter can solve some of these problems, but if it's severe, a new motherboard may be the only solution. So even if all the pieces (BIOS, bus speed, multiplier, voltage) seem to fit, problems may still arise that will affect the upgradeability of some motherboards. Especially older ones.