86-DOS 1.0 (4-30-1981) [SCP OEM] (8 inch) [SCP S-100]
Released in 1981 by Seattle Computer Products
For SCP S-100 with Cromemco 4FDC disk controller (Gazelle)

This is the "1.00" release of Seattle Computer Products 86-DOS, on
which PC/MS-DOS was based. It is specifically for the 8086 SCP S-100
system with Cromemco 4FDC disk controller. 

It includes a Z80 to 8086 translator for porting CP/M application.

This archive contains a bootable disk image in ImageDisk format. The
images are for 256 KB 8-inch Single Sided, Single Density floppy disk
media (77 tracks, 1 head, 26 sectors per track, 128 bytes per sector
FM)

Important: This disk is NOT for IBM PC compatible hardware or IBM PC
emulators.

For your convenience, an emulator is included, which emulates the
appropriate 8086 CPU and FDC cards.

Start the emulator with the configuration file, then press enter
several times to get to the monitor, then enter uppercase "B" to boot
DOS.

Source: http://www.schorn.ch/altair_5.php
