Pascal Holdry has scanned a few 12MB Hard Drive Manuals:
Title: 12-Meg Hard Disk Drive Owners Manual
Publisher: Tandy
Year: 1982
Size: 712,197
Pages: 56
Title: 12-15-Meg Hard Disk Drive Service Manual
Publisher: Tandy
Year: 1983
Size: 20,565,393
Pages: 285
Title: 12-Meg Hard Disk Drive Service Manual
Publisher: Tandy
Year: 1983
Size: 2,837,779
Pages: 77
Thank you Pascal!