| Folders | ||
| {parent folder} | ||
| Filename | Size | Filename | Size | Filename | Size | Filename | Size |
| HEL80_81 BIOS V0.22A.zip | 687 K | HEL80_81 BIOS V1.00.ZIP | 1655 K | HEL80_81 BIOS V104B.zip | 1659 K | HEL80_81 BIOS V112B.zip | 1610 K |
| HEL80_81 BIOS V0.22B.zip | 723 K | HEL80_81 BIOS V1.01B.zip | 1655 K | HEL80_81 BIOS V105B.zip | 1658 K | HEL80_81 BIOS V114B.zip | 1610 K |
| HEL80_81 BIOS V0.23B.zip | 689 K | HEL80_81 BIOS V102B.zip | 1655 K | HEL80_81 BIOS V107B.zip | 1605 K | HEL80_81 BIOS V115B.zip | 1604 K |
| HEL80_81 BIOS V028B.zip | 1605 K | HEL80_81 BIOS V103B.zip | 1655 K | HEL80_81 BIOS V110B.zip | 1610 K | HEL80_81 BIOS V116B.zip | 1604 K |