The Tandem IDE controller is a Zorro II HD and CD rom card that supports 1 IDE/ATA drive and one CD-Rom drive. The controller dosn't support autoconfig, so you have to boot from floppy first to boot the drive.
To make a boot disk do the following:
1. Create a bootable floppy.
2. Copy "execute", "binddrivers" and "assign" to "C" on the floppy.
3. Copy the IDE controller-driver to "Expansions"
4. Copy "icon.library" to "libs"
5. Create a startup-sequence file with the following content:
df0:c/binddrivers
df0:c/assign sys: Harddisk:
assign s: sys:s
assign l: sys:l
assign fonts: sys:fonts
assign devs: sys:devs
assign libs: sys:libs
assign c: sys:c
execute s:startup-sequence
endcli