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2.4 System Board Troubleshooting | 2 Troubleshooting Procedures |
Table
LED Status | Test item | Contents | |
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00h | Refer to IRT printer LED error status. |
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01h | Refer to IRT printer LED error status. |
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02h | Refer to IRT printer LED error status. |
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03h | Refer to IRT printer LED error status. |
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| Clears flag for SMI control. |
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27h(not used) | Renewal of Resume counter |
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26h | Checks the WakeUp factors. |
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| Rewriting of SMRAM BASE |
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28h | Initializing devices necessary for | Initializing of PIT | |
initialization before initializing PCI bus | |||
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| Initializing of PIT channel 0 (Sets the interval of | |
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| timer interruption to 55ms) | |
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| Initializing of PIT channel 2 (Sets the sound | |
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| generator frequency to 664Hz) | |
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| Measuring CPU clock | |
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| Check of parameter block A | |
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| Permission of SMI other than | |
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| Control of excess of rated input power | |
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| Control of battery discharging current (1CmA) | |
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| AC adapter rated over current control | |
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| Dividing for measuring of IRT time | |
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| Setting to clock generator | |
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| Initializing of CPU | |
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| Updating | |
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| Judgment of CPU type | |
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| Check of supporting Geyserville | |
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| Sets the CPU clock to High | |
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| Recovery of PIC register |
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| Initialization of devices necessary for | Setting of IDE device operation mode | |
| initialization before initializing PCI bus 2 | ||
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| Setting of AC’97/Azalia operation mode | |
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| Initializing of temperature control information | |
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| Initializing of KBC | |
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| VGA | |
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| Control of | |
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TECRA S3 Maintenance Manual | [CONFIDENTIAL] |