| Part Number | Frequency | Features | BIOS | PCB | Notes |
| Intel Celeron |
BX80523R266000 Celeron 266 | 266 MHz | 4x, FSB 66 MHz | QQ416 | 2.0 | |
| | 300 MHz | 4.5x, FSB 66 MHz, L2 0 KB | QQ416 | 2.0 | |
80524RX300128 BX80524R300128 | 300A | 4.5x, FSB 66 MHz, L2 128 KB | QQ416 | 2.0 | |
BX80524R333128 Celeron 333 | 333 MHz | 5x, FSB 66 MHz | QQ416 | 2.0 | |
| | 333 MHz | 5x, FSB 66 MHz, PPGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
BX80524R366128 Celeron 366 | 366 MHz | 5.5x, FSB 66 MHz | QQ416 | 2.0 | |
| | 366 MHz | 5.5x, FSB 66 MHz, PPGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
BX80524R400128 Celeron 400 | 400 MHz | 6x, FSB 66 MHz | QQ416 | 2.0 | |
| | 400 MHz | 6x, FSB 66 MHz, PPGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
| 80524RX433128 | 433 MHz | 6.5x, FSB 66 MHz | QQ416 | 2.0 | |
| | 433 MHz | 6.5x, FSB 66 MHz, PPGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
| | 466 MHz | 7x, FSB 66 MHz, PPGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
| | 500 MHz | 7.5x, FSB 66 MHz, PPGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
| | 533 MHz | 8x, FSB 66 MHz, FC-PGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
| | 533 MHz | 8x, FSB 66 MHz, PPGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
| | 566 MHz | 8.5x, FSB 66 MHz, FC-PGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
| | 600 MHz | 9x, FSB 66 MHz, FC-PGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
| Intel Pentium II |
80522PX233512 80522PX233512EC B80522P233512 | 233 MHz | 3.5x, FSB 66 MHz | QQ416 | 2.0 | |
80522PX266512 80522PX266512EC 80523PX266512 80523PX266512PE B80522P266512 B80522P266512E B80523P266512E | 266 MHz | 4x, FSB 66 MHz | QQ416 | 2.0 | |
80522PX300512 80522PX300512EC 80523PX300512PE B80522P300512E B80523P300512E | 300 MHz | 4.5x, FSB 66 MHz | QQ416 | 2.0 | |
80523PX333512 80523PX333512PE B80523P333512E | 333 MHz | 5x, FSB 66 MHz | QQ416 | 2.0 | |
80523PY350512 80523PY350512PE 80523PY350512PE B80523P350512E BX80523U350512E | 350 MHz | 3.5x, FSB 100 MHz, Deschutes | QQ416 | 2.0 | |
80523PY400512 80523PY400512PE 80523PY400512PE B80523P400512E BX80523U400512E | 400 MHz | 4x, FSB 100 MHz, Deschutes | QQ416 | 2.0 | |
80523PY450512 80523PY450512PE 80523PY450512PE B80523P450512E BX80523U450512E | 450 MHz | 4.5x, FSB 100 MHz, Deschutes | QQ416 | 2.0 | |
| Intel Pentium III |
80525PY450512 BX80525U450512 BX80525U450512E | 450 MHz | 4.5x, FSB 100 MHz, Katmai | QQ416 | 2.0 | |
| | 500 MHz | 5x, FSB 100 MHz, Coppermine, FC-PGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
80525PY500512 BX80525U500512 BX80525U500512E | 500 MHz | 5x, FSB 100 MHz, Katmai | QQ416 | 2.0 | |
80526PZ533256 BX80526U533256 | 533 MHz | 4x, FSB 133 MHz, Coppermine, SECC2 package | QQ416 | 2.0 | |
80525PZ533512 BX80525U533512 BX80525U533512E | 533 MHz | 4x, FSB 133 MHz, Katmai | QQ416 | 2.0 | |
| | 550 MHz | 5.5x, FSB 100 MHz, Coppermine, FC-PGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
80525PY550512 BX80525U550512 | 550 MHz | 5.5x, FSB 100 MHz, Katmai | QQ416 | 2.0 | |
80526PZ600256 BX80526U600256 BX80526U600256E KC80526PZ600256 | 600 MHz | 4.5x, FSB 133 MHz, Coppermine, SECC2 package | QQ416 | 2.0 | |
80525PZ600512 BX80525H600512 BX80525H600512E | 600 MHz | 4.5x, FSB 133 MHz, Katmai | QQ416 | 2.0 | |
| | 600 MHz | 6x, FSB 100 MHz, Coppermine, FC-PGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
80526PY600256 BX80526H600256 BX80526H600256E BX80526PY600256 | 600 MHz | 6x, FSB 100 MHz, Coppermine, SECC2 package | QQ416 | 2.0 | |
| | 650 MHz | 6.5x, FSB 100 MHz, Coppermine, FC-PGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
80526PY650256 BX80526PY650256 BX80526U650256 | 650 MHz | 6.5x, FSB 100 MHz, Coppermine, SECC2 package | QQ416 | 2.0 | |
80526PZ667256 BX80526U667256 BX80526U667256E KC80526PZ667256 | 667 MHz | 5x, FSB 133 MHz, Coppermine, SECC2 package | QQ416 | 2.0 | |
| | 700 MHz | 7x, FSB 100 MHz, Coppermine, FC-PGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
80526PY700256 BX80526U700256 BX80526U700256E KC80526PY700256 | 700 MHz | 7x, FSB 100 MHz, Coppermine, SECC2 package | QQ416 | 2.0 | |
| | 750 MHz | 7.5x, FSB 100 MHz, Coppermine, FC-PGA package | QQ416 | 2.0 | Supported only with FIC-CK71 slotket |
80526PY750256 BX80526U750256 BX80526U750256E KC80526PY750256 | 750 MHz | 7.5x, FSB 100 MHz, Coppermine, SECC2 package | QQ416 | 2.0 | |
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.