| Part Number | Frequency | Features | BIOS | PCB | Notes |
|---|
| Intel Celeron |
| | 266 | | Any | Any | |
| | 266 | Slot 1 | Any | Any | |
| | 300 | | Any | Any | |
| | 300 | Slot 1 | Any | Any | |
| | 300A | | Any | Any | |
| | 300A | Slot 1 | Any | Any | |
| | 333 | | Any | Any | |
| | 333 | Slot 1 | Any | Any | |
| | 366 | | Any | Any | |
| | 400 | | Any | Any | |
| | 433 | | Any | Any | |
| Intel Pentium II |
80522PX233512 80522PX233512EC B80522P233512 | 233 MHz | | Any | Any | |
80522PX266512 B80522P266512 80522PX266512EC B80522P266512E 80523PX266512 80523PX266512PE B80523P266512E | 266 MHz | | Any | Any | |
80522PX300512 80522PX300512EC B80522P300512E 80523PX300512PE B80523P300512E2 | 300 MHz | | Any | Any | |
80523PX333512 80523PX333512PE B80523P333512E | 333 MHz | | Any | Any | |
80523PY350512 80523PY350512PE B80523P350512E BX80523U350512E | 350 MHz | | Any | Any | |
80523PY400512 80523PY400512PE B80523P400512E BX80523U400512E | 400 MHz | | Any | Any | |
80523PY450512 80523PY450512PE B80523P450512E BX80523U450512E | 450 MHz | | Any | Any | |
| Intel Pentium III |
80525PY450512 BX80525U450512 | 450 MHz | | 1009 | Any | |
80525PY450512 BX80525U450512 | 450 MHz | slot1 | 1009 | Any | |
80525PY500512 BX80525U500512 | 500 MHz | | 1009 | Any | |
80525PY500512 BX80525U500512 | 500 MHz | slot1 | 1009 | Any | |
80525PY550512 BX80525U550512 | 550 MHz | | 1009 | Any | |
80525PY550512 BX80525U550512 | 550 MHz | slot1 | 1009 | Any | |
80525PY600512 BX80525U600512 | 600 MHz | | 1009 | Any | |
80525PY600512 BX80525U600512 | 600 MHz | slot1 | 1009 | Any | |
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.
