| Socket: | 7 |
| Type: | SPGA (Staggered Pin Grid Array) |
| Insertion: | ZIF (Zero Insertion Force) |
| Pins: | 321 |
| Pin Layout: | 37 x 37 (5 rows staggered) |
| Processors: | MMX, AMD K5, K6, K6-2, K6-3, 6x86, M2, M3 |
| Voltage: | 2.5v,3.3v |
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Socket7 was the most popular and widely used socket for quite awhile. It contains 321 pins and operates in the 2.5-3.3 volt range using a split voltage (different I/O voltage and core voltage). It supports all 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. This socket was the industry standard and was being used for sixth-generation chips by IDT, AMD and Cyrix. Intel, however, decided to abandon the socket for it's sixth-generation lineup. Socket7 boards incorporate the voltage regulator which makes voltages lower than the native 3.3 volt possible.
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