HP Compaq dc5850 Small Form Factor PC MS-7500 Motherboard- 461537-001 | eBay
HP Compaq Desktop PC dc5850 (VS787UA#ABA) Sempron LE-1300 (2.30GHz) 2GB DDR2 160GB HDD Windows Vista Business Downgrade to Windows XP Professional - Newegg.com
HP Compaq DC5850 Motherboard SFF Athion Dual-Core 4450B 2.30GHz 4GB RA
HP Compaq dc5850 Small Form Factor PC MS-7500 Motherboard- 461537-001 – Buffalo Computer Parts