http://support.asus.com.tw/cpusupport/cpusupport.aspx?SLanguage=en-us
These are all the processors in the table...
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P4P800 SE
CPU Since_PCB Since_BIOS
Northwood (0.13u) Celeron core
http://processorfinder.intel.com/scripts/details.asp?sSpec=SL77T
Celeron 1.7 GHz (400 FSB, L2 cache:128KB) ALL ALL
Celeron 1.8 GHz (400 FSB, L2 cache:128KB) ALL ALL
Celeron 2.0 GHz (400 FSB, L2 cache:128KB) ALL ALL
Celeron 2.1 GHz (400 FSB, L2 cache:128KB) ALL ALL
Celeron 2.2 GHz (400 FSB, L2 cache:128KB) ALL ALL
Celeron 2.3 GHz (400 FSB, L2 cache:128KB) ALL ALL
Celeron 2.4 GHz (400 FSB, L2 cache:128KB) ALL ALL
Celeron 2.5 GHz (400 FSB, L2 cache:128KB) ALL ALL
Celeron 2.6 GHz (400 FSB, L2 cache:128KB) ALL ALL
Celeron 2.7 GHz (400 FSB, L2 cache:128KB) ALL ALL
Celeron 2.8 GHz (400 FSB, L2 cache:128KB) ALL ALL
Prescott (90nm) Celeron core 256KB cache
http://processorfinder.intel.com/scripts/details.asp?sSpec=SL7DN
Celeron D 315 (2.26 GHz, 533 FSB, Socket478) ALL 1008
Celeron D 315 (2.26 GHz, 533 FSB, Socket478) ALL 1008
Celeron D 320 (2.4 GHz, 533 FSB, Socket478) ALL 1005
Celeron D 325 (2.53 GHz, 533 FSB, Socket478) ALL 1005
Celeron D 330 (2.66 GHz, 533 FSB, Socket478) ALL 1005
Celeron D 335 (2.8 GHz, 533 FSB, Socket478) ALL 1005
Celeron D 340 (2.93 GHz, 533 FSB, Socket478) ALL 1007
Celeron D 345 (3.06 GHz, 533 FSB, Socket478) ALL 1007
Celeron D 350 (3.20 GHz, 533 FSB, Socket478) ALL 1008
Willamette 0.18u P4
http://processorfinder.intel.com/scripts/details.asp?sSpec=SL5VK
P4-1.4 GHz (Socket478, 400 FSB, L2 cache:256KB) ALL ALL
P4-1.5 GHz (Socket478, 400 FSB, L2 cache:256KB) ALL ALL
P4-1.6 GHz (Socket478, 400 FSB, L2 cache:256KB) ALL ALL
P4-1.7 GHz (Socket478, 400 FSB, L2 cache:256KB) ALL ALL
P4-1.8 GHz (Socket478, 400 FSB, L2 cache:256KB) ALL ALL
P4-1.9 GHz (Socket478, 400 FSB, L2 cache:256KB) ALL ALL
P4-2 GHz (Socket478, 400 FSB, L2 cache:256KB) ALL ALL
Northwood 0.13u P4 512KB cache
http://processorfinder.intel.com/scripts/details.asp?sSpec=SL6SB
P4-1.6A GHz (Socket478, 400 FSB, L2 cache:512KB) ALL ALL
P4-1.8A GHz (Socket478, 400 FSB, L2 cache:512KB) ALL ALL
P4-2A GHz (Socket478, 400 FSB, L2 cache:512KB) ALL ALL
P4-2.20 GHz (400 FSB, L2 cache:512KB) ALL ALL
P4-2.40 GHz (400 FSB, L2 cache:512KB) ALL ALL
P4-2.50 GHz (400 FSB, L2 cache:512KB) ALL ALL
P4-2.60 GHz (400 FSB, L2 cache:512KB) ALL ALL
Prescott 90nm P4 1MB cache
http://processorfinder.intel.com/scripts/details.asp?sSpec=SL7E8
P4-2.40A GHz (533 FSB, L2 cache:1MB, 90nm) ALL 1004
P4-2.80A GHz (533 FSB, L2 cache:1MB, 90nm) ALL 1006
Northwood 0.13u 512KB cache
http://processorfinder.intel.com/scripts/details.asp?sSpec=SL6PB
P4-2.26 GHz (533 FSB, L2 cache:512KB) ALL ALL
P4-2.40B GHz (533 FSB, L2 cache:512KB) ALL ALL
P4-2.53 GHz (533 FSB, L2 cache:512KB) ALL ALL
P4-2.66 GHz (533 FSB, L2 cache:512KB) ALL ALL
P4-2.80 GHz (533 FSB, L2 cache:512KB) ALL ALL
P4-3.06 GHz (533 FSB, L2 cache:512KB, HT, C1/D1) ALL ALL
Northwood 0.13u 512KB cache
http://processorfinder.intel.com/scripts/details.asp?sSpec=SL793
P4-2.40C GHz (800 FSB, L2 cache:512KB, HT) ALL ALL
P4-2.60C GHz (800 FSB, L2 cache:512KB, HT) ALL ALL
P4-2.80C GHz (800 FSB, L2 cache:512KB, HT, D1) ALL ALL
P4-3 GHz (800 FSB, L2 cache:512KB, HT, D1/M0) ALL ALL
P4-3.20 GHz (800 FSB, L2 cache:512KB, HT, D1) ALL ALL
P4-3.40 GHz (800 FSB, L2 cache:512KB, HT, D1) ALL ALL
Prescott 90nm P4 1MB cache S478
http://processorfinder.intel.com/scripts/details.asp?sSpec=SL7KD
P4-2.80E GHz (800 FSB, L2 cache:1MB, HT, 90nm,C0)ALL 1006
P4-3E GHz (800 FSB, L2 cache:1MB, HT, 90nm) ALL 1006
P4-3.20E GHz (800 FSB, L2 cache:1MB, HT, 90nm) ALL 1006
P4-3.40E GHz (800 FSB, L2 cache:1MB, HT, 90nm) 2.00 1006
(Newest revision motherboard needed for the last processor.)
Northwood 0.13u Extreme Edition P4 512MB/2MB cache
http://processorfinder.intel.com/scripts/details.asp?sSpec=SL7CH
P4-3.20 GHz Extreme Ed. (800 FSB, HT) ALL ALL
P4-3.40 GHz Extreme Ed. (Socket478, 800 FSB, HT) ALL ALL
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Paul