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2.798 bytes |
Product Information |
Document ID: DDSE-44RNFL |
Servers - Undetermined Problems
Applicable to: World-Wide
Undetermined Problems
You are here because the diagnostic tests did not identify the failure, the Devices List is incorrect, or the system is inoperative.
Note
If you suspect a software mismatch is causing failures (solid or intermittent), be sure to see Software/Hardware Mismatch Problems.
Check the power supply voltages. If the voltages are not correct, replace the power supply. If the voltages are correct, return here and do the following:
1. Power-off the computer.
2. Remove or disconnect the following (one at a time) until you find the failure (power-on the computer and reconfigure each time).
- Any external devices
- Surge suppressor device (on the computer) Modem, printer, mouse, or non-IBM devices
- Each adapter
- Drives
- Memory-Module Kits
- Bus adapter
- Math coprocessor (if installed)
Note
Minimum operating requirements vary for each computer. For example
- AT Bus computers require 256KB of memory.
- Micro Channel computers require 1MB of memory.
- IML drive in the drive startup sequence (IML systems only).
- If the computer is a workstation, (no drives), a default hard disk drive is not required.
3. Power-on the computer. If the problem remains, suspect the system board, then the processor board in that order.
Note
If the problem goes away when you remove an adapter from the bus adapter, and replacing that adapter does not correct the problem, suspect the system board, processor board, then the bus adapter in that order.
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Document Category |
Diagnostics | |
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Date Created |
03-02-99 | |
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Last Updated |
03-02-99 | |
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Revision Date |
03-02-2000 | |
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Brand |
IBM PC Server | |
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Product Family |
PC Server 300, PC Server 310, PC Server 320, PC Server 500, PC Server 520, PC Server 720, Rack/Storage Enclosures | |
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Machine Type |
8640, 8639, 8641, 8642, 3517, 3518 | |
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Retain Tip (if applicable) |
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