HP 98568A Installation Instruction page 59

Installing RAM in a Model 330
CD CD
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Figure 3-3.
Built-in RAM switch settings
Optimizing Model 330 Performance
The BASIC, Pascal and HP-UX operating systems occupy different areas of
memory. Because programs occupying built-in RAM run faster than programs
occupying add-on RAM, you may want to rearrange memory so that your most
important programs occupy the fast, built-in RAM.
Here's what to do:
1. Select a program to use as a benchmark, or choose a commonly-used
operating system function.
2. Run and time the benchmark program several times to determine its average
execution time under the current RAM configuration.
3. Turn your computer off.
Adding RAM 3-11