Use the procedures described in, "Removing a Board", To remove the applicable Disk board.
Unlatch and open the ejector drive retainer on the drive to be replaced (Figure 5-8).
Using the extended drive retainer as a handle pull the drive straight out to disengage it from the board mating receptacle and the drive mounting bracket.
If a new drive is to be installed, proceed to the next section.
If the drive is not to be replaced, replace the Disk board as described in "Installing a Board".