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3. Tests and Diagnostics
3.14 HDD R/W Test
The HDD R/W test allows the user to test aurally HDD read/write function. For data security
concern, it is necessary to input password - “hard disk” before HDD write test starts.
The HDD test includes three subtests of the:
1. Sequential read (all surface)
2. Sequential write (all surface)
3. Partial W/R + Random W/R
After the choice is made, HDD information will show as below:
Model name
Firmware revision
Serial number
CHR (Cylinder High Register) mode – including cylinders, heads, sectors and sizes.
LBA (Logical Block Addressing) mode – including sectors and sizes.
Support Ultra DMA Mode
Support PIO Mode
3-20
[CONFIDENTIAL]
Satellite M50 Series Maintenance Manual