NEC Express5800/GT110b User's Guide Page 258

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8-12 Troubleshooting
POST fails to complete:
Is the DIMM board installed?
Check the installation location of DIMMs (see Chapter 9).
Is the memory size large?
The memory check may take a few seconds if the memory size is large. Wait for a
while.
Did you perform any keyboard or mouse operation immediately after you started the
server?
If you perform any keyboard or mouse operation immediately after start-up, POST
may accidentally detect a keyboard controller error and stops proceeding. In such
a case, restart the server once again. Do not perform any keyboard or mouse
operation until the BIOS start-up message appears when you restart the server.
Does the server have contains appropriate memory boards or PCI devices?
Operation of the server with unauthorized devices is not guaranteed.
Fail to access to internal or external devices (or such devices fail to operate):
Are cables properly connected?
Make sure that the interface cables and power cord are properly connected. Also
make sure that the cables are connected in the correct order.
Is the power-on order correct?
When the server has any external devices connected, power on the external
devices first, then the server.
Did you install drivers for connected optional devices?
Some optional devices require specific device drivers. Refer to the manual that
comes with the device to install its driver.
Is BIOS configuration correct?
Some devices connected to the serial or parallel port may require I/O port address
or operation mode settings. Refer to the manual that comes with the board for
details to make correct settings.
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