Tests and Diagnostics
3.35.1.3Test program list
The following table lists test items included in each test.
Test name | Test No. | Sub No. | Test item |
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SYSTEM | 1 | 01 | DMI read |
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MEMORY | 2 | 01 | Conventional memory |
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| 02 | Protected mode |
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| 03 | Cache memory(on/off) |
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| 04 | Stress test |
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KEYBOARD | 3 | 01 | Pressed key code display |
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DISPLAY | 4 | 01 | VRAM read/write for VGA |
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| 02 | Gradation for VGA |
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| 03 | Gradation for LCD |
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| 04 | Gradation & Mode test for VGA |
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| 05 | All dot on / off for LCD |
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FDD | 5 | 01 | Sequential read |
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| 02 | Sequential read/write |
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| 03 | Random address/data |
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| 04 | Write specified address |
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| 05 | Read specified address |
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6 | |||
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7 | |||
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HDD | 8 | 01 | Sequential read |
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| 02 | Address uniqueness |
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| 03 | Random address/data |
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| 04 | Cross talk & peak shift |
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| 05 | Partial Read |
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| 06 | Write specified address |
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| 07 | Read specified address |
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| 08 | Sequential write |
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| 09 | |
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REAL TIMER | 9 | 01 | Real time |
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| 02 | Backup memory |
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| 03 | Real time carry |
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[CONFIDENTIAL] | PORTEGE M780 Maintenance Manual |
