Hi! I found a solution: on the E-Matrix Turboboard is the same IDE controller as on A1200 and A4000. But if the model-flag 1 is set (A500), amiboot won't search for the controller. I used the model-flag 5 (A1200) and now it works. All IDE devices are detected. I can't check if the SCSI controller works too, as I don't own a SCSI device.
This is the full amiboot line: "amiboot-5.6 --model 5 -d -k linux.bin -r root.bin root=/dev/ram video=amifb:pal nolangchooser ide=doubler" cu Stefan Pietzonke