Module Removal and Installation The following procedure denes the steps in removing or installing modules. Module Removal 1. Set the HP 70004A color display/HP 70001A mainframe line switch to o. See Figure 2-8. 2. Remove the rear panel intermodule cables. 3. Open the HP 70004A color display/HP 70001A mainframe front panel door. With an 8 mm hex-ball driver, loosen the module hex-nut latch. 4. Press against the rear panel, and slide the module out. Installation 1. Set the HP 70004A color display/HP 70001A mainframe line switch to o. 2. Check the HP-MSIB address switch on the module for the correct address setting. 3. Open the HP 70004A color display/HP 70001A mainframe front panel door, and slide the module into the HP 70004A color display/HP 70001A mainframe. 4. Press against the module front panel while tightening the hex-nut latch with an 8 mm hex-ball driver. 5. Connect the rear panel intermodule cables as shown in the \System Conguration" examples. 6. Turn the HP 70004A color display/HP 70001A mainframe line switch on. Figure 2-8. Module Removal/Replacement Installation 2-15