| Part Number | Frequency | Features | BIOS | PCB | Notes |
|---|
| Intel Celeron |
BX80524R333128
Celeron 333 | 333 | SEPP | 05/17/99 | Any | |
BX80524R366128
Celeron 366 | 366 | SEPP | 05/17/99 | Any | |
BX80524R400128
Celeron 400 | 400 | SEPP | 05/17/99 | Any | |
| Celeron 433 | 433 | SEPP | 05/17/99 | Any | |
| Intel Pentium II |
80522PX233256
80522PX233512
80522PX233512EC
B80522P233512
DC80522PX233256
DC80522PX233512
DC80522PX2335EC | 233 | Slot 1 | 05/17/99 | Any | |
80522PX266256
80522PX266512
80522PX266512EC
80523PX266512
80523PX266512PE
B80522P266512
B80522P266512E
B80523P266512E
DC80522PX266256
DC80522PX2665EC | 266 | Slot 1 | 05/17/99 | Any | |
80522PX300512
80522PX300512EC
80523PX300512PE
B80522P300512E
B80523P300512E | 300 | Slot 1 | 05/17/99 | Any | |
80523PX333512
80523PX333512PE
B80523P333512E | 333 | Slot 1 | 05/17/99 | Any | |
80523PY350512
80523PY350512PE
80523PY350512PE
B80523P350512E
BX80523U350512E | 350 | Slot 1 | 05/17/99 | Any | |
80523PY400512
80523PY400512PE
80523PY400512PE
B80523P400512E
BX80523U400512E | 400 | Slot 1 | 05/17/99 | Any | |
80523PY450512
80523PY450512PE
80523PY450512PE
B80523P450512E
BX80523U450512E | 450 | Slot 1 | 05/17/99 | Any | |
| Intel Pentium III |
80525PY450512
BX80525U450512
BX80525U450512E | 450 | Slot 1 | 05/17/99 | Any | |
80525PY500512
80526PY500256
BX80525U500512
BX80525U500512E | 500 | Slot 1 | 05/17/99 | Any | |
80525PY550512
80526PY550256
BX80525U550512
BX80526U550256
BX80526U550256E | 550 | Slot 1 | 05/17/99 | Any | |
When 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.