Memory Module Problems - Epson ActionPC 5000 User Manual

See the documentation that came with the option card to set
any necessary DIP switches or jumpers on the card.
The computer may also have some jumpers that must be set for
the option card to work properly. See Chapter 4 for system
jumper information.
Your system may need to operate at the slower processor speed
to access the device. Try reducing the processor speed (see
Chapter 3).
Make sure the option card is not touching any other card.
An external device connected to the option card is not
working correctly.
Make sure you are using the proper cable to securely connect
the device to the card.

Memory Module Problems

The memory count displayed by the power-on diagnostics
program is incorrect.
You may have installed the SIMMs incorrectly. They may be
the wrong type or speed, or they may not be inserted all the
way or in the correct sockets. See Chapter 4 for information on
installing SIMMS.
If you have installed a gold-plated SIMM in the sockets, the
socket may have corroded slightly. Remove the SIMM and
clean the gold-plated connection; then reinstall the SIMM.
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Troubleshooting