Troubleshooting Server Module Memory; Troubleshooting Hard Drives - Dell PowerEdge 1855 Installation And Troubleshooting Manual

The server module board contains up to two microprocessors, six memory modules, interface connectors for the hard drives, interface connectors for a
daughter card, and a dual-Gigabit NIC. Up to two SCSI hard drives connect to a controller on the server module board. If two hard drives are installed, you
have the option of enabling integrated mirroring. See the Configuration Guide. This feature enables you to have RAID 1 capabilities.
During an installation or troubleshooting procedure, you may be required to change a switch setting. For more information, see
Connectors."

Troubleshooting Server Module Memory

Problem
Faulty memory module
l
Faulty server module board
l
Action
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as
authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not
authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
NOTE: Before performing the following procedure, ensure that you have installed the memory modules according to the
Installation Guidelines" in "Installing System Options."
1. Restart the server module.
a. Press the power button once to turn off the server module.
b. Press the power button again to apply power to the server module.
If no error messages appear, go to
2. Enter the System Setup program and check the system memory setting. See "Using the System Setup Program" in your User's Guide.
If the amount of memory installed matches the system memory setting, go to
3. Remove the server module. See
4. Open the server module. See
5. Reseat the memory modules in their sockets. See
6. Close the server module. See
7. Install the server module. See
8. Run the system memory test in the system diagnostics. See
If the test fails, see "Getting

Troubleshooting Hard Drives

step 8.
"Removing a Server Module" in "Installing System Options."
"Opening the Server Module" in "Installing System Options."
"Installing Memory
"Closing the Server Module" in "Installing System Options."
"Installing a Server Module" in "Installing System Options."
"Running System
Help."
step 8.
Modules" in "Installing System Options."
Diagnostics."
"DIP Switch Settings and
"General Memory Module