Removal and Installation 3. Pull out the DIMM. Take care that it does not fall out. Installation of DIMM’s WARNING When installing the DIMM’s make sure they are in the correct position as shown in the diagram. NOTE Note the position of the BootROM and the SDRAM (memory) modules. J6 - Boot ROM J7 - SDRAM J8 - SDRAM 8-78 HP DesignJet 5000 and 5500 Series Printers Service Manual