HP nx9100 - Notebook PC, Hardware Manual

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Hardware Upgrades
Hardware Guide 8–11
Increasing Memory
You can increase the amount of RAM (random access memory)
in the notebook with an optional memory module approved
by HP.
The notebook contains 2 memory slots, one of which is
accessible for an optional 128-MB, 256-MB, 512-MB, or
1024-MB memory module upgrade.
Depending on the notebook model, the notebook might ship with
a vacant memory slot. On other models the memory slot contains
a preinstalled memory module that can be replaced at any time.
Displaying Memory Information
When RAM is increased, the operating system increases the hard
drive space reserved for the Hibernation file.
If you experience problems with Hibernation after increasing
RAM, verify that your hard drive has enough free space for the
larger hibernation file.
■
To display the amount of RAM in the system:
Select Start > Control Panel > Performance and
Maintenance > System > General.
■
To display both the amount of free space on your hard drive
and the amount of space required by the Hibernation file.
Select Start > Control Panel > Performance and
Maintenance > Power Options > Hibernate.