Early DOS Manuals
Documentation for 86-DOS and Seattle Computer Products
These manuals are in Portable Document Format (PDF).
Some may be quite large; you may want to save to your computer by right-clicking
and selecting "Save Target As..."
 First Advertisement
for the 8086 Computer - Nov 1979. Text PDF, 100 KB.
8086
Monitor Instruction Manual - Version 1.4A, Feb 1980. Image-only PDF, 1.3 MB.
This manual includes an
 assembly
listing for the 8086 Monitor, which later became the basis for the program Debug
that was included
with
all versions of DOS.
8086
CPU Instruction Manual - Oct 1980. Image-only PDF, 1 MB.
86-DOS
Instruction Manual - The first DOS manual, ca Oct 1980. Image-only PDF, 1.3
MB. Serial numbers
stamped
on each page are from being an exhibit in a 1986 lawsuit between Seattle Computer
Products and
Microsoft.
86-DOS
User's Manual - Version 0.3, ca Dec 1980. Image-only PDF, 1.8 MB.
86-DOS
Programmer's Manual - Version 0.3, ca Dec 1980. Image-only PDF, 1.4 MB.
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