| Part Number | Frequency | Features | BIOS | PCB | Notes |
|---|
| 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 | |
- This CPU may or may not be supported
by the motherboard.
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.
| 
Sorry, I pressed "Save Comment" button before finishing my previous comment.
> If the chart don't say the cpu, does it mean the motherboard don't support it or it don't need an upgrade?
For old motherboards it usually means that the CPU is not supported.
> If the chart don't say the cpu, does it mean the motherboard don't support it or it don't need an upgrade?
For old motherboards it
> If it say "any", does that mean that it works with the cpu?
Yes
how to read the chart
If the chart don't say the cpu, does it mean the motherboard don't support it or it don't need an upgrade?
If it say "any", does that mean that it works with the cpu?