Epson ActionTower 8000 User Manual - Page 154

Memory Module Problems, External Cache Problems

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Memory Module Problems The memory count displayed by power-on diagnostics or the SETUP 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 "Installing Memory Modules (SIMMs)" in Chapter 4 for more information. Also make sure you set jumpers JP12 and JP14 for the correct type of SIMMs; see "Changing the Jumper Settings" in Chapter 4 for instructions. 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 connector with a pencil eraser; then reinstall the SIMM. External Cache Problems The amount of external cache displayed by the power- on diagnostics program is incorrect. You may have installed the external cache chips incorrectly. They may be the wrong type, or they may not be inserted all the way. Also, you may not have changed the SETUP program or the jumpers to recognize the new cache. Make sure you have set the External cache option to Enabled. See "Installing External Cache" in Chapter 4 for more information. See "Configuring cache memory" in Chapter 2 for instructions on setting the cache options in SETUP. Troubleshooting 7-17

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Memory Module Problems
The memory count displayed by power-on diagnostics or
the SETUP 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 “Installing Memory Modules
(SIMMs)” in Chapter 4 for more information. Also make sure
you set jumpers JP12 and JP14 for the correct type of SIMMs;
see “Changing the Jumper Settings” in Chapter 4 for
instructions.
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 connector with a pencil eraser; then
reinstall the SIMM.
External Cache Problems
The amount of external cache displayed by the power- on
diagnostics program is incorrect.
You may have installed the external cache chips incorrectly.
They may be the wrong type, or they may not be inserted all
the way.
Also, you may not have changed the SETUP program or the
jumpers to recognize the new cache. Make sure you have set
the External cache option to Enabled.
See “Installing External Cache” in Chapter 4 for more
information. See “Configuring cache memory” in Chapter 2 for
instructions on setting the cache options in SETUP.
Troubleshooting
7-17