ASUS M4A87TD/USB3 has the JMicron JMB368 controller :
1 x UltraDMA 133/100/66 for up to 2 PATA devices , navy blue
JMicron JMB36X Controller Driver is found in downloads in the UTILITIES section.
If your not booting from the IDE controller you can disable the IDE option ROM in the BIOS.
You also need to know how to set master/slave jumpers and the different positions on the IDE cable.