| The Socket 7 motherboards have a two part voltage regulator to match the needs of the CPU. Here are some selected CPUs and their voltage requirements: |
| CPU | Internal voltage | I/O voltage |
| Pentium MMX | 2.8 Volt | 3.3 Volt |
| AMD K6 | 2.8/2.9 Volt | 3.3 Volt |
| Cyrix 6X86MX | 2.8 Volt | 3.3 Volt |
| Pentium II "Klamath" |
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| AMD K6-2 |
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| Pentium II and III |
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| Pentium III "CuMine" |
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