Toshiba Satellite R10 Manuale Utente

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3.13  Hard Disk Test 
3  Tests and Diagnostics 
 
3-30 
 
Satellite R10 Maintenance Manual (960-509) 
Subtest 04 
Cross talk & peak shift 
This subtest writes eight types of worst pattern data (listed below) to a cylinder, 
then reads the data while moving from cylinder to cylinder. (Test the data 
interference in the neighbor track) 
Worst pattern data 
Cylinder 
‘B5ADAD’ 
0 cylinder 
‘4A5252’ 
1 cylinder 
‘EB6DB6’ 
2 cylinder 
‘150449’ 
3 cylinder 
’63B63B’ 
4 cylinder 
‘9C49C4’ 
5 cylinder 
‘2DB6DB’ 
6 cylinder 
‘D25044’ 
7 cylinder 
Subtest 05 
Partial Read 
 
This subtest reads 1GB data which is in minimum, middle and maximum address of 
the HDD area. 
Subtest 06 
Write specified address 
This subtest writes specified data to a specified cylinder and head on the HDD. 
Subtest 07 
Read specified address 
This subtest reads data, which has been written to a specified cylinder and head on 
the HDD. 
Subtest 08 
Sequential write 
This subtest writes specified 2-byte data to all of the cylinders on the HDD. 
Subtest 09 
W-R-C specified address 
This subtest writes data to a specified cylinder and head on the HDD, then reads 
the data and compares it to the original data.