HP Model 712/100 - Workstation Handbook page 124

6. Remove the plunger.
Pull the plunger straight out until it disengages from the power board switch.
Slide the plunger from the chassis.
7. Remove the power board.
Lift the front of the power board, then pull it toward the front of the unit until it
disengages from the grounding clip.
WARNING: Use only power supply Model ETYHP127MM with
the A2655A/C2943A CD–ROM Drive.
8. Lift out the bottom HP PAC.
9. Remove the SCSI ribbon cable.
From the back of the unit, use a small flat–blade screwdriver to remove the four
screws that hold the SCSI ribbon cable connectors in place.
10. Remove the CD–ROM audio cable.
Use needle–nose pliers to unscrew the nut securing the audio connector to the
rear of the unit.
5–48 Field Replaceable Units