3 Diagnostic Programs 3.2.4 HDD Test
Satellite Pro L50-G / dynabookP*-C* Maintenance Manual 12
The following screenwill bedisplayed to indicate that the progressis in testing:
Figure -9 HDD Testing Process
1. ProceedAll Test Items
The item is to run all HDD test items oneby one.
2. Copy Test
This test item is to check HDD’s Read/Write function through datacopying and
readingto HDD.
3. RandomReadWrite Test
This test item is to check HDD’s Read/Write function through randomdata
writing andreadingto HDD.
4. Sequential ReadWrite Test
The test item is to check HDD’s Read/Write function through sequentialdata
0xA5 write andreadingto HDD.
The test hasthree types sequential asbelow:
Positive: From first Sectorto the last Sector(0,1,2,……,N-1,N)
Negative: From the last Sectorto the first Sector(N,N-1,……,2,1,0)
Funnel: From the first andlast to middle Sector(0,N,1,N-1,2,N-2,……)
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