IBM 6274 - Manual (Page 53)

Chapter 5. Installing options
39
Removing the hard disk drive
The hard disk drive must be removed before you can install memory DIMMs.
To remove the hard disk drive, do the following:
1. Remove the rear computer cover. See “Removing the rear cover” on page 37.
2. Disconnect the power cable and signal cable from the hard disk drive 1; then
push connectors down through the opening in the hardfile bracket.
3. Release the hardfile bracket by pushing on the blue handle 2; then rotate the
bracket up 3.
4. Unplug the remaining cables from the hardfile bracket 4; then remove the
bracket and place in a safe place.