Celeron 2.0 GHz (400 FSB, L2 cache:128KB)
Celeron 2.1 GHz (400 FSB, L2 cache:128KB)
Celeron 2.2 GHz (400 FSB, L2 cache:128KB)
Celeron 2.3 GHz (400 FSB, L2 cache:128KB)
Celeron 2.4 GHz (400 FSB, L2 cache:128KB)
Celeron 2.5 GHz (400 FSB, L2 cache:128KB)
Celeron 2.6 GHz (400 FSB, L2 cache:128KB)
Celeron 2.7 GHz (400 FSB, L2 cache:128KB)
Celeron 2.8 GHz (400 FSB, L2 cache:128KB)
Celeron D 315 (2.26 GHz, 533 FSB, Socket478
Celeron D 325 (2.53 GHz, 533 FSB, Socket478, revC0/D0)
Celeron D 330 (2.66 GHz, 533 FSB, Socket478
Celeron D 335 (2.8 GHz, 533 FSB, Socket478
Celeron D 340 (2.93 GHz, 533 FSB, Socket478
P4-1.6A GHz (Socket478, 400 FSB, L2 cache:512KB)
P4-1.8A GHz (Socket478, 400 FSB, L2 cache:512KB)
P4-2.20 GHz (400 FSB, L2 cache:512KB)
P4-2.26 GHz (533 FSB, L2 cache:512KB)
P4-2.40 GHz (400 FSB, L2 cache:512KB)
P4-2.40A GHz (533 FSB, L2 cache:1MB, 90nm)
P4-2.40B GHz (533 FSB, L2 cache:512KB)
P4-2.40C GHz (800 FSB, L2 cache:512KB, HT)
P4-2.50 GHz (400 FSB, L2 cache:512KB)
P4-2.53 GHz (533 FSB, L2 cache:512KB)
P4-2.60 GHz (400 FSB, L2 cache:512KB)
P4-2.60C GHz (800 FSB, L2 cache:512KB, HT)
P4-2.66 GHz (533 FSB, L2 cache:512KB)
P4-2.80 GHz (533 FSB, L2 cache:512KB)
P4-2.80A GHz (533 FSB, L2 cache:1MB, 90nm)
P4-2.80C GHz (800 FSB, L2 cache:512KB, HT, D1)
P4-2.80E GHz (800 FSB, L2 cache:1MB, HT, 90nm, C0)
P4-2A GHz (Socket478, 400 FSB, L2 cache:512KB)
P4-3 GHz (800 FSB, L2 cache:512KB, HT, D1/M0)
P4-3.06 GHz (533 FSB, L2 cache:512KB, HT, C1/D1)
P4-3.20 GHz (800 FSB, L2 cache:512KB, HT, D1)
P4-3.20E GHz (800 FSB, L2 cache:1MB, HT, 90nm)
P4-3E GHz (800 FSB, L2 cache:1MB, HT, 90nm)
apparently any of these, but in short it's a Socket478
cheers, JuvUK