TEXAS INSTRUMENTS TI 99/4A Disk Manager 2 (1982) cartridge file catalog blue label

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"Disk Manager 2" for the TI 99/4A computer

FORMAT: cartridge
MFR: Texas Instruments
CAT. NO.: PHM 3089
HOUSING: white
LABEL: blue
YEAR: 1982

Tested and working. Cartridge only as shown; no other documentation or packaging included.

The Texas Instruments TI 99/4A computer is awesome, but it did not come with a built-in DOS.  You can't catalog a disk, delete a file, or initialize a floppy from the command prompt.  TI created Disk Manager 2 to do those things.  While many disk-based disk managers have been released since then, it's always good to have a cartridge-based original in case of problems with your hardware.

Shipping weight 5 ounces.