Better if its cheap
This are the only ones COMPATIBLE.
Socket type: 775
Motherboard supports the following processor upgrades:
Core 2 Duo (Conroe) up to E4300
Pentium D (Presler) up to 960 (3.6 GHz)
Pentium 4 (Cedar Mill) up to 661 (3.6 GHz)
Celeron D (Cedar Mill) up to 365 (3.6 GHz)
Celeron D (Prescott) up to 355 (3.33GHz)
Note the up to (CPU Name)
So it isn't limited to one.
No quad cores.
This are the only ones COMPATIBLE.
Socket type: 775
Motherboard supports the following processor upgrades:
Core 2 Duo (Conroe) up to E4300
Pentium D (Presler) up to 960 (3.6 GHz)
Pentium 4 (Cedar Mill) up to 661 (3.6 GHz)
Celeron D (Cedar Mill) up to 365 (3.6 GHz)
Celeron D (Prescott) up to 355 (3.33GHz)
Note the up to (CPU Name)
So it isn't limited to one.
No quad cores.