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+--- Thread: Positronic PC-186 and PC/M-86 User Manuals (/thread-998.html)
Positronic PC-186 and PC/M-86 User Manuals - ChickenMan - 02-03-2026
Thanks to Grahaml for providing scans of these 2 manuals. Scanned at 600 dpi, all pages were cleaned up and converted to searchable PDFs. Both were A4 in size and 142 and 58 pages long respectively.
Manuals were produced by Positronic Computers in 1985.
The Positronic Computers PC-186 single board Computer is a general purpose microprocessor based computer that is specifically designed for the small business and hobby computer market. The PC-186 uses the APX 80186-3 (8mHz) or APX 80186-1 (10 mHz) microprocessor. By fully utilizing all of the integrated features of the 80186 the PC-186 provides more features than is found on any other single board computer.
Table of Contents
Section 1 General Information
Section 2 Processor
Section 3 Memory
Section 4 Serial Communications Controller
Section 5 Centronics Printer Interface
Section 6 Floppy Disc Interface
Section 7 SASI Hard Disc Interface
Section 8 CMOS Calendar Clock
Appendix A Assembly Instructions
Appendix B Parts List
Appendix C Jumper Block Locations
Appendix D Schematic Diagrams
Also found were some Positronic Computers adverts in some 1985 ETI Magazines which were extracted, cleaned and converted to searchable PFD's, also included here.
So in the Vintage Repository in the Positronic folder we placed
pc-186_users_manual.pdf
pcm_86_users_manual.pdf
ecs-186_positronic_sbc_eti_85_10.pdf
positronic_micro_introduction_eti_85_07.pdf
positronic_pc-186_advert_eti_85_06.pdf
positronic_pc-186_advert_eti_85_07.pdf
rod_irving_positonic_pc-186_kit_eti_85_09.pdf