| Part Number | Frequency | Features | BIOS | PCB | Notes |
| Intel Pentium III |
80525PY450512 BX80525U450512 | 450 | 4.5 x 100 MHz, Katmai | The latest | C2 | |
80525PY500512 BX80525U500512 | 500 | 5 x 100 MHz, Katmai | The latest | C2 | |
80526PY500256 | 500E | 5 x 100 MHz, Coppermine | The latest | C2 | |
80525PZ533512 BX80525U533512 | 533B | 4 x 133 MHz, Katmai | The latest | C2 | |
80525PY550512 BX80525U550512 | 550 | 5.5 x 100 MHz, Katmai | The latest | C2 | |
80526PY550256 BX80526U550256 | 550E | 5.5 x 100 MHz, Coppermine | The latest | C2 | |
80525PY600512 BX80525U600512 | 600 | 6 x 100 MHz, Katmai | The latest | C2 | |
80525PZ600512 BX80525H600512 | 600B | 4.5 x 133 MHz, Katmai | The latest | C2 | |
80526PY600256 BX80526PY600256 | 600E | 6 x 100 MHz, Coppermine | The latest | C2 | |
80526PZ600256 BX80526U600256 | 600EB | 4.5 x 133 MHz, Coppermine | The latest | C2 | |
80526PY650256 BX80526U650256 | 650 | 6.5 x 100 MHz, Coppermine | The latest | C2 | |
80526PZ667256 BX80526U667256 | 667 | 5 x 133 MHz, Coppermine | The latest | C2 | |
80526PY700256 BX80526U700256 | 700 | 7 x 100 MHz, Coppermine | The latest | C2 | |
80526PZ733256 BX80526U733256 | 733 | 5.5 x 133 MHz, Coppermine | The latest | C2 | |
Part numbers are not supplied by motherboard manufacturers.
We use best guess approach to determine part numbers based on CPU model,
frequency and features. In some cases our guess may be incorrect or incomplete.
Please always verify part numbers before committing to buying the CPU.
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