9"monochrome monitor and knoppix

Trouble is: I have Target 9" Monochrome Monitor, Model :AM-09S
Knoppix (5.0) start. System working, but I can't see nothing.
I try (command line)
knoppix 2 problem same
knoppix screen=800x600 depth=1 problem same also depth=8/16/24.
What I can try

Adapter : Ati Race II AGP (Mach64GT)

Ok working
I use comman line.
knoppix vga=0 knoppix screen=640x480 depth=1 knoppix vsync=60 hsync=50