HP Motherboard for Compaq DC5850 | Laptech The IT Store.
HP MS-7500 Compaq DC5850 Small Form Factor PC Motherboard 461537-001 - Etsy
Specs HP Compaq dc5850 Small Form Factor PC AMD Athlon 4450B 2 GB DDR2-SDRAM 160 GB AMD Radeon HD 3100 Windows Vista Business PCs/Workstations (AM500AW#ABH)