TRS-80 Model II
26-2910
TRSDOS 2.0a

For Model II single-sided floppy drives.  Was renamed from 2.0 when 2.0b was released.

TSDOS20A.IMD - Master Disk.  This is the exact image of the TRSDOS 2.0a distribution disk.

TDOS264K.IMD - Working Master for 64K system.  This is the same as the master except the 32K files have been purged.

TD2BLANK.IMD - TRSDOS 2.0a Blank disk. This is a blank formatted data disk.