<para>
On systems with less than 1GB of RAM, a smaller percentage of RAM is
appropriate, so as to leave adequate space for the operating system.
- Also, on Windows, large values for <varname>shared_buffers</varname>
- aren't as effective. You may find better results keeping the setting
- relatively low and using the operating system cache more instead. The
- useful range for <varname>shared_buffers</varname> on Windows systems
- is generally from 64MB to 512MB.
</para>
</listitem>