ECS > 661FX-M (V1.0B)

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OS	ID NO	Product Line
Windows XP Windows XP	755250	Motherboard

* means validated by ECS at time of writing. Changes to component or CPU may produce a different outcome. The result shown is for reference only and is subject to change w/o notification.

Socket	Family	Processor	Wattage	Frequency	Cache	Stepping	Since BIOS
Socket 478	Intel Pentium 4 Extreme Edition	N/A	N/A	3.2 GHz	2M	N/A	1.0l
Socket 478	Intel Pentium 4 Extreme Edition	N/A	N/A	3.4 GHz	2M	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	1.6 GHz	256K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	1.6A GHz	256K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	1.7 GHz	256K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	1.8 GHz	256K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	1.8A GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	1.9 GHz	256K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.0 GHz	256K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.0A GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.2 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.26 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.4 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.4A GHz	1M	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.4B GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.4C GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.5 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.53 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.6 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.66 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.6C GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.8 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.8A GHz	1M	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.8C GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	2.8E GHz	1M	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	3.0 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	3.06 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	3.0E GHz	1M	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	3.2 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	3.2E GHz	1M	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	3.4 GHz	512K	N/A	1.0l
Socket 478	Intel Pentium 4	N/A	N/A	3.4E GHz	1M	N/A	1.0l
Socket 478	Intel Celeron D	325 (Prescott)	N/A	2.53 GHz	256K	N/A	1.0l
Socket 478	Intel Celeron D	330 (Prescott)	N/A	2.66 GHz	256K	N/A	1.0l
Socket 478	Intel Celeron D	335 (Prescott)	N/A	2.8 GHz	256K	N/A	1.0l
Socket 478	Intel Celeron D	345 (Prescott)	N/A	3.06 GHz	256K	N/A	1.0l
Socket 478	Intel Celeron	N/A	N/A	1.7 GHz	128K	N/A	1.0l
Socket 478	Intel Celeron	N/A	N/A	1.8 GHz	128K	N/A	1.0l
Socket 478	Intel Celeron	N/A	N/A	2.0 GHz	128K	N/A	1.0l
Socket 478	Intel Celeron	N/A	N/A	2.1 GHz	128K	N/A	1.0l
Socket 478	Intel Celeron	N/A	N/A	2.2 GHz	128K	N/A	1.0l
Socket 478	Intel Celeron	N/A	N/A	2.3 GHz	128K	N/A	1.0l
Socket 478	Intel Celeron	N/A	N/A	2.4 GHz	128K	N/A	1.0l
Socket 478	Intel Celeron	N/A	N/A	2.5 GHz	128K	N/A	1.0l
Socket 478	Intel Celeron	N/A	N/A	2.6 GHz	128K	N/A	1.0l
Socket 478	Intel Celeron	N/A	N/A	2.7 GHz	128K	N/A	1.0l
Socket 478	Intel Celeron	N/A	N/A	2.8 GHz	128K	N/A	1.0l

Model:	661FX-M
PCB Version:	V1.0B
Expansion_Slot:	AGP8X

USB:	2.0

Audio Pin: Front Panel Audio Connector

USB Pin: Front Panel USB Connector