H45 Technologies
Hansol
Hauppauge
Hawking Technology
Hayes
    Hayes - Firmware upgrades
    Hayes - Win95/98/ME/NT drivers
    Hayes - Windows 2000 drivers
    Hayes - Macintosh drivers
    Hayes - Modems documentation
Hercules (NVidia)
Hermstedt
Hewlett-Packard (HP)
HighPoint Technologies
    HighPoint Technologies - BIOS + Driver
    HighPoint Technologies - User Manual
Hightech Information Systems (HIS Graphic Cards)
HIS Graphic Cards (Hightech Information Systems)
Hitachi (PC systems)
Hi-Val
Holtek Semiconductor Inc.
Howtek
HyperData