Memory Module Problems - Epson ActionDesk 4000 User Manual

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 you install option cards that meet the system's
power requirements. See Appendix A.
Make sure the option card is not touching any other card. Also
make sure the card isn't touching the CPU or any fan or heat
sink you have attached to the CPU.
If heat
a fan or
option card in the lowest 16-bit option slot.
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. 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.
sink is attached to the CPU, don't install an
Troubleshooting 6-13