Lenovo 43N3412 User Manual page 10

2. Lift the adapter retaining latch.
3. Insert the drive into the adapter, and then insert the adapter into the
Ultrabay media bay by following step 1 to step 5 in "Installing a new hard
disk drive using the adapter" on page 2-2.
2-4
ThinkPad Serial ATA Hard Drive Bay Adapter III User Guide