August 31, 2025 – Yahoo TRS-80 Group Files

George Phillips was kind enough to point me to a dump of the Yahoo TRS-80 groups from Archive.Org. I hope to go through it and see if anything is worth adding.

For now, here are some manuals which were turned into HTML, which I turned into PDF’s

Title: Grand Prix 80
Publisher: Rick Maurice – Melbourne House
Year: 1982
Size: 331,315
Pages: 3
OCRed: No

Title: Martian Patrol
Publisher: Rick Maurice – Melbourne House
Year: 1982
Size: 469,517
Pages: 3
OCRed: No

Title: Space Attack
Publisher: Clifford Abrahams – Melbourne House
Year: 1982
Size: 453,035
Pages: 3
OCRed: No

Title: Wild West
Publisher: Clifford Abrahams – Melbourne House
Year: 1982
Size: 428,854
Pages: 3
OCRed: No

Title: Air Raid
Publisher: Small System Software
Year: 19xx
Size: 213,178
Pages: 3
NOTES: HTML to PDF

Title: Airmail Pilot
Publisher: Instant Software
Year: 19xx
Size: 355,333
Pages: 1
NOTES: HTML to PDF

Title: Ball Turret Gunner
Publisher: Instant Software
Year: 19xx
Size: 414,985
Pages: 5
NOTES: HTML to PDF

Title: House of Thirty Gables
Publisher: Bill Miller – Instant Software
Year: 19xx
Size: 259,374
Pages: 2
NOTES: IS0219R / HTML to PDF

Title: Oil Tycoon
Publisher: Instant Software
Year: 1979
Size: 662,952
Pages: 6
NOTES: IS0023R / HTML to PDF

Title: Packer
Publisher: Cottage Software
Year: 1979
Size: 213,589
Pages: 4
NOTES: HTML to PDF

Title: Pinball
Publisher: John Allen – Acorn
Year: 1980
Size: 249,228
Pages: 3
NOTES: HTML to PDF

Title: Slag
Publisher: Stewart Eastman – Adventure International
Year: 1980
Size: 562,464
Pages: 4
NOTES: HTML to PDF

Title: Space Invasion
Publisher: Author Unknown
Year: 19xx
Size: 192,068
Pages: 1
NOTES: HTML to PDF

… and some hardware manuals

Title: Aerocomp Disk Drive Installation Hint Sheet
Publisher: Aerocomp
Year: 19xx
Size: 1,111,760
Pages: 4
OCRed: Yes

Title: Aerocomp Model III and Model 4 Floppy Disk Controller Installation Instructions
Publisher: Aerocomp
Year: 19xx
Size: 1,494,066
Pages: 8
OCRed: Yes

Title: Network Controller 3 Operation Guide
Publisher: Radio Shack
Year: 1981
Size: 1,640,338
Pages: 12
NOTES: 26-1212

Title: Omikron Mapper Owners Manual
Publisher: Omikron
Year: 1980
Size: 2,207,388
Pages: 38

Title: TRS-80 Model I Preliminary Users Manual
Publisher: Radio Shack
Year: 19xx
Size: 822,707
Pages: 30
NOTES: 30 Pages

… and some catalogs

Title: Lichen Software Catalog
Publisher: Lichen Software
Year: 19xx
Size: 1,278,721
Pages: 21

Title: Mayday Center Catalog
Publisher: Mayday Software
Year: 19xx
Size: 281,824
Pages: 6

Title: Smallsystem Center Catalog
Publisher: Smallsystem Center
Year: 19xx
Size: 342,654
Pages: 6

… and some service manuals/procedures/schematics

Title: Expansion Interface Testing
Publisher: Radio Shack
Year: 1978
Size: 4,337,392
Pages: 10
NOTES: 1978-04-18 / Testing Procedures for Production Line Repair Technicans and Workflow Diagram

Title: TRS-80 Model I Prelimiary Service Manual
Publisher: Radio Shack
Year: 1977
Size: 5,198,347
Pages: 10
NOTES: 1977-11 / TRS-80 service manual consisting of only 10 pages

Title: TRS-80 Model I Preliminary Schematics Rev A
Publisher: Radio Shack
Year: 1977
Size: 15,798,791
Pages: 7
NOTES: 1977-09-22 / With Designer Handwritten Corrections

Title: TRS-80 Model I Preliminary Schematics Rev B
Publisher: Radio Shack
Year: 1977
Size: 13,808,839
Pages: 7
NOTES: 1977-09-22 / With Designer Handwritten Corrections

Title: TRS-80 Model I Testing Procedures
Publisher: Radio Shack
Year: 1977
Size: 5,785,046
Pages: 7
NOTES: 1977-09-09 / Testing Procedures For Tandy Production Line Repair Technicans

Title: Model 4 European Patent
Publisher: Radio Shack
Year: 1984
Size: 1,561,257
Pages: 62
OCRed: No
NOTES: PAL formulas