Hi, i have try on a HP 8300 elite, same problem, white cursor blinking at top left!
On many other computer no problem, motherboard asus (sabertooth) laptop eeepc and Acer it's boot fine with gnoboot.
Somebody can send me a link for a version of nanoboot i've try 3 file .img and my dc7900 don't want to boot. The file is not big 16Mo and is name : NanoBoot-x86-5.0.2.4-fat.img
Thanks in advance.
And do you have a picture of the bios check sum error?
Thanks