| Category | File Name | Download |
|---|
| Original Backup | HP/HP Compaq 6531S - OK 6050A2161401-MB-A03自备 Dedicated BIOS.bin | |
| Original Backup | HP/HP Compaq 6531S - HP-68PZDVer.F.07.rom | |
| Original Backup | HP/HP Compaq 6531S - 6050A2161401-MB-A3 BIOS.bin | |
| Classic Schematic | HP/Inventec - 2008-06-03 HP Compaq_6531S_ZZI_MV_REV_A03.pdf | |
| Classic Schematic | HP/Inventec - 2008-06-03 HP Compaq_6531S_ZZI_MV_REV_A03(1).pdf | |
| Classic Schematic | HP/Inventec - 2008-04-02 HP Compaq 6531S ZZI.pdf | |
| Classic Schematic | HP/Inventec - 2008-04-02 HP Compaq 6531S 6820s 6830s S-series Zygo(D)&Zodiac(D)&Jkon PV Rev A01.pdf | |