Generic DOS IDE CD-ROM driver included with an unknown OEM CD-ROM drive from 1998.
This is an image file created using WinImage (.ima format). This
creates a duplicate of the entire diskette at the sector level. You may
use WinImage to recreate the diskette, or you may also use 7-zip to read
& extract the file contents. 7-zip won't create an exact duplicate
of the diskette, while WinImage will. This is of no consequence in this
instance, as the diskette isn't bootable.
are other applications that can handle .ima files, such as PowerISO and
UltraISO. Most people will likely want to use 7-zip over these
applications as 7-zip is completely free to use.
WinImage can be found here: https://www.winimage.com