Dell PowerEdge 2200 Service Manual - Page 35

Eliminating Resource Conflicts, Running the System Diagnostics, For additional information - server memory

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To ensure that the IC chips are fully seated in their sockets, press firmly on the top of each chip. To reseat the microprocessor, remove it from its retention bracket and reinstall it as described in "Microprocessor Module" in Chapter 4. To reseat a DIMM, remove it from its socket and reinstall it as described in "DIMMs" in Chapter 4. If you need to reseat an expansion card, remove the card as described in "Expansion Cards" in Chapter 4, and then reinsert the card in its connector, and carefully push it in until fully seated. Then reinstall the card-mounting bracket's retaining screw. 4. Verify that all jumpers are set correctly. For information about these jumpers, see "System Board Jumpers" in Chapter 1. 5. Check all cable connectors inside the computer to verify that they are firmly attached to their appropriate connectors. 6. Reinstall the computer cover. 7. Reconnect the computer and any attached peripherals to their power sources, and turn them on. Does the problem appear to be resolved? Yes. No further steps are necessary. No. Proceed to the next section, "Eliminating Resource Conflicts," and to "Getting Help" found later in this chapter. Eliminating Resource Conflicts Devices within the computer may require dedicated memory spaces, interrupt levels, or DMA channels, all of which must be allocated during installation of the devices. Because devices may be installed at different times, it is possible that the same resource is assigned to two or more devices. Resource conflicts can result in disorderly or erratic system operation or system failure. If you suspect that resource conflicts might exist, check the system and reassign the resources as necessary. For additional information, see Chapter 5, "Using the EISA Configuration Utility," in the User's Guide or "Interrupt Assignments" and "DMA Channel Assignments" in Chapter 1. Running the System Diagnostics The system diagnostics (included on the Dell Server Assistant CD) contains tests that aid in troubleshooting all major components of the computer system. Basic Troubleshooting 2-5

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Basic Troubleshooting
2-5
To ensure that the IC chips are fully seated in their sockets, press firmly on
the top of each chip.
To reseat the microprocessor, remove it from its retention bracket and rein-
stall it as described in “Microprocessor Module” in Chapter 4.
To reseat a DIMM, remove it from its socket and reinstall it as described in
“DIMMs” in Chapter 4.
If you need to reseat an expansion card, remove the card as described in
“Expansion Cards” in Chapter 4, and then reinsert the card in its connector,
and carefully push it in until fully seated. Then reinstall the card-mounting
bracket’s retaining screw.
4.
Verify that all jumpers are set correctly.
For information about these jumpers, see “System Board Jumpers” in Chap-
ter 1.
5.
Check all cable connectors inside the computer to verify that they are
firmly attached to their appropriate connectors.
6.
Reinstall the computer cover.
7.
Reconnect the computer and any attached peripherals to their power
sources, and turn them on.
Does the problem appear to be resolved?
Yes.
No further steps are necessary.
No.
Proceed to the next section, “Eliminating Resource Conflicts,” and to
“Getting Help” found later in this chapter.
E
liminating Resource Conflicts
Devices within the computer may require dedicated memory spaces, interrupt
levels, or DMA channels, all of which must be allocated during installation of
the devices. Because devices may be installed at different times, it is possible
that the same resource is assigned to two or more devices.
Resource conflicts can result in disorderly or erratic system operation or system
failure. If you suspect that resource conflicts might exist, check the system and
reassign the resources as necessary.
For additional information, see Chapter 5, “Using the EISA Configuration Util-
ity,” in the
User’s Guide
or “Interrupt Assignments” and “DMA Channel
Assignments” in Chapter 1.
R
unning the System Diagnostics
The system diagnostics (included on the
Dell Server Assistant
CD) contains
tests that aid in troubleshooting all major components of the computer system.