MS-DOS 2.11 [TI Professional Computer OEM r2.11]
Released by Microsoft/Texas Instruments in 1983
For the Texas Instruments Professional Computer
Image Quality: Unused/Unmodified

This is the special OEM version of MS-DOS needed to operate a Texas
Instruments Professional Computer. It contains IO.SYS 2.11,
MS-DOS.SYS 2.11, COMMAND.COM 2.11, and support utilities.

Important: This disk will ONLY boot on a TI Professional Computer. It
will NOT boot on an IBM PC, IBM hardware compatible PC, or a PC
emulator.

This archive contains one 5.25 360k floppy disk image.

TI Professional Disks are formatted with an interleave of 1:2 instead
of 1:1. If you use a sector copying tool, you must make sure the 
tracks are formatted appropriately.