TEXAS INSTRUMENTS TI 99/4A Disk Manager 2 (1982) cartridge catalog initialize copy

TITLE: Disk Manager
PLATFORM: TI 99/4A
MFR: Texas Instruments 
YEAR: 1982
CAT NO: PHM 3089
VARIANT: black label, black housing
CONDITION: used, tested, working.  

Essential TI disk operating system cartridge.

Shipping weight 5 ounces.