IBM F50 RS/6000 7025 - Manual (Page 37)

To allow writing onto a diskette, slide the write–protect tab to cover the protect
slot.
Loading and Unloading the 3.5–Inch Diskette
To load a diskette into the drive, insert the diskette in the diskette drive with the
labeled metal shutter first. Push the diskette into the drive until you hear a click.
The click indicates that the diskette is securely in position in the drive.
To unload the diskette, push the diskette–unload button. The diskette unloads
partially from the drive. Pull the diskette out.
Chapter 2. Using the System Unit 2-11