Socket 370 - PPGA, FC-PGA, Celeron, Cyrix III And Pentium III
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| CPU Tags | |
|---|---|
| A | Regarding Celeron 300A: Mendocino core instead of the older Convington core |
| B | Those Pentium-III processors operate at 133 MHz Front Side Bus |
| E | Stands for 0.18 micron process and full speed cache |
| PR | Processor Rating used for Cyrix III. PR estimates the actual CPU speed in the field of 2D applications in comparison to typical 'MHz' CPUs. |
| Note: | The CPU clock is different from the P Rating! In 3D applications this rating is not valid anymore. |
| Package | |
| CPGA | Ceramic Pin Grid Array |
| FC-PGA | Flip Chip Pin Grid Array |
| PPGA | Plastic Pin Grid ArrayCeleron 300A to 533 comes in PPGA, from Celeron 566 in FC-PGA |
| Connectors | |
| Socket 370 (or PGA370) | 370-pin socket mechanically suitable for Celeron, Pentium III and Cyrix III |
| Note | Older socket-370 motherboards have problems with Pentium IIIs and Celerons. They do not work if they don't support lower core voltages (1.65 instead of 2.0V). Furthermore, the new pin assignments have to be supported. |
| Architecture/Cache | |
| Mendocino/Coppermine | L2 cache is incorporated on die und runs at full speed. On all other Slot-1 CPUs the L2 cache runs at half speed. |
