Intel Pentium 4 1.4 GHz (socket 423) - Hardware museum
Pentium 4 socket 423 system overview - YouTube
New MSI 845 Pro ver: 1 MS-6529 socket 423 ATX PC motherboard main system board - NOS S423 Pentium 4 P4 Willamette AGP 4x PCI USB - Classic Computer Shop
Socket 423 - Wikipedia
Category:Socket 423 - Wikimedia Commons
Intel SL5FW P4 1.3Ghz/256/400/1.75V Socket 423 CPU | RecycledGoods.com