Commodore PLC TIB DD-001 / Drive 2001

Hello,

I have 3.5 floppy drive DD-001 into expansion port, unfortunately 
without manual and I can't find it at usually pages of C64 docs.

I have an original (?) bootdisk (v1.1), there is a few games and tools 
(format disk, copy, diskmon etc.), but these tools don't work. I 
load&run any tool, then I type e.g. a filename and the tool crashes at 
JSR $8xxx (I gonna disassemble why...).

In Basic I can read DIR, LOAD a file, but command SAVE returns "file not 
found".

Anyone have the manual or experience with this drive? I can format a 
floppy disk via SYS 32783, but I can't save any data.

There is a photo of one page of the manual:
http://www.8bit.dk/pictures/Commodore/Expansion%20Port%20Stuff/IB-PLC%20-%20DD-001%20-%203.5%20FloppyDrive%20-%20In%20Box/slides/TIB-PLC_-_DD-001_-_3.5_FloppyDrive_18.html

Thanks,

LHS