Toshiba PORTEGE M780 Maintenance Manual page 270
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Also See for PORTEGE M780:
- Maintenance manual (484 pages) ,
- User manual (268 pages) ,
- Resource manual (36 pages)
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Tests and Diagnostics
3.35.1.3
The following table lists test items included in each test.
Test name
SYSTEM
MEMORY
KEYBOARD
DISPLAY
FDD
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HDD
REAL TIMER
3-158
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Test program list
Test No.
1
2
3
4
5
6
7
8
9
[CONFIDENTIAL]
Sub No.
01
DMI read
01
Conventional memory
02
Protected mode
03
Cache memory(on/off)
04
Stress test
01
Pressed key code display
01
VRAM read/write for VGA
02
Gradation for VGA
03
Gradation for LCD
04
Gradation & Mode test for VGA
05
All dot on / off for LCD
01
Sequential read
02
Sequential read/write
03
Random address/data
04
Write specified address
05
Read specified address
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01
Sequential read
02
Address uniqueness
03
Random address/data
04
Cross talk & peak shift
05
Partial Read
06
Write specified address
07
Read specified address
08
Sequential write
09
W-R-C specified address
01
Real time
02
Backup memory
03
Real time carry
PORTEGE M780 Maintenance Manual (960-809)
Test item
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Troubleshooting
