Silicon Graphics O2+ Hardware Reference Manual page 94

Chapter 2: Installing or Removing Memory and Option Boards
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3. If you installed memory, look under the Hardware menu. Check the amount of
memory shown. It should equal the total amount that you installed.
For example, if you had 32 MB of memory when you started and you installed
another 64 MB, the total shown should be 96 MB.
If the system does not show the total amount of memory you installed, turn off the
workstation, remove the power cable, remove the system module, and make sure
all the DIMMs are installed correctly.
4. If you installed a PCI option board, from a shell window, enter:
hinv
This shows the hardware inventory for your workstation. Look for a line describing
the board you installed. For some option boards, the software must be installed
before the board is shown.
If it is now shown, turn off the workstation, and review the installation steps again
to make sure the board is seated correctly. (See "Installing a PCI Board in an
RM7000class Workstation," or "Installing a PCI Board in an R12000class
Workstation.")
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