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Document ID: DDSE-458L4T |
PC Server 320 - System Board Replacement
Applicable to: World-Wide
System Board Replacement
Type 8640 computers have one or two processors, and other components installed on the system board. When replacing the system board, remove all of the installed components from the old system board and install them on the new system board. If the problem remains, check the following:
- The primary processor is installed and seated correctly in socket U2 on the system board.
- If installed, the secondary processor is seated correctly in socket U3 on the system board.
- All other components removed from the old system board are installed and seated correctly on the new system board.
Note:
If the processor(s) are not seated correctly, intermittent problems can occur.
Symmetric Multiprocessors/Multiprocessing:
Some PC Server computers incorporate a 90MHz Pentium processor and a second upgradeability processor socket on the system board to support Symmetric Multiprocessors/Multiprocessing (SMP). The SMP capability extends processing performance by allowing tasks to be dispatched to the next available processor rather then being queued until the busy processor has completed its task. The SMP capability also provides a level of high availability in that with some operating systems, such as OS/2 SMP, run in a uni-processor mode if one of the processors should experience a failure. This function will allow the LAN to continue operation so that service can be scheduled at a non-critical time.
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Document Category |
System Boards | |
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Date Created |
18-02-99 | |
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Last Updated |
18-02-99 | |
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Revision Date |
18-02-2000 | |
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Brand |
IBM PC Server | |
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Product Family |
PC Server 320 | |
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Machine Type |
8640 | |
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