HP 98568A Installation Instruction page 61

Note
Installing RAM in a Model 330
You have now installed your RAM cards.
You are now ready to install the peripherals, if any, in
Chapter 4, "Accessory Cards". If you have installed all of
your peripherals, refer to the Series 300 HP- UX System
Administration Tasks manual that came with your HP-UX
operating system.
Adding RAM 3-13