Trantor Bootdisk fo a Osborne 1

[Klyball]

I acquired a Trantor dive for the Osborne 1 , But Google foo has turned up very little info . It plugs into the gpib connector on the Osborne , from my brief research it looks like the IEEE-488 code is in the rom, so i assume a modified boot disk was probably supplied with the drive.
Does any one have any info on this unit ,long shot a boot disk?

Regards,
G