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Jeff Parsons 2016-01-19 13:02:57 -08:00
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disks/pc/os2/misc/README.md
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@ -16,8 +16,8 @@ For more details, see the "OS/2 1.0" [blog post](/blog/2014/12/04/).
### OS/2 FOOTBALL Boot Disk (v7.68.17)
The [OS/2 FOOTBALL Boot Disk (v7.68.17)](/disks/pc/os2/misc/football/debugger/) contains a prototype version of OS/2
from early 1987 that added preliminary support for the Intel 80386 processor, including limited support for 32-bit code
and the ability to run multiple DOS applications in V86-mode. It was forked from pre-OS/2 1.0 sources, and the only
machine it supported was the Compaq DeskPro 386-16.
from early 1987 that was designed to test new features of the Intel 80386 processor (eg, paging and V86-mode).
This prototype was forked from pre-1.0 OS/2 sources, and the only hardware it supported was the Compaq DeskPro 386-16.
It was never released outside of Microsoft and IBM.
Return to [IBM PC Disk Archive](/disks/pc/#other-os2-disks).

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disks/pc/os2/misc/football/debugger/README.md
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@ -15,9 +15,20 @@ machines:
OS/2 FOOTBALL Boot Disk (v7.68.17)
---
This disk contains a prototype version of OS/2 from early 1987 that added preliminary support for the Intel 80386
processor, including limited support for 32-bit code and the ability to run multiple DOS applications in V86-mode.
It was forked from pre-OS/2 1.0 sources, and the only machine it supported was the Compaq DeskPro 386-16.
This disk contains a prototype version of OS/2 from early 1987 (code-named FOOTBALL) that was designed to test new
features of the Intel 80386 processor (eg, paging and V86-mode). Most of the work on this prototype occurred between
December 1, 1986 and February 28, 1987, with the principal goal of demonstrating multiple DOS applications running
in V86-mode to BillG (the demo probably occurred in March 1987), but also with the underlying goal of demonstrating
to IBM that Microsoft was ahead of the curve on 32-bit design considerations for OS/2.
The FOOTBALL prototype was forked from pre-1.0 OS/2 sources, and the only hardware it supported was the Compaq DeskPro
386-16. The source code was later sent to IBM, and as of April 1987, they were adapting it to run on the Model 80 PS/2.
No versions of FOOTBALL were ever released outside of Microsoft and IBM.
Although FOOTBALL contained features not found in OS/2 until version 2.0, there is no direct connection between this
internal Microsoft effort and OS/2 2.0. Some of the 32-bit support and paging work undoubtedly migrated to version 2.0
eventually, but that would have happened much later, since work on OS/2 2.0 did not begin in earnest until October 1987,
after 1.0 was finished.
A directory listing of this disk is provided [below](#directory-of-os2-football-boot-disk-v76817).