Fujitsu MAX3036FC Manual Do Utilizador

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6.2  Maintenance Information 
C141-E234 
6-5 
(1) 
Interface (loop) test 
 
The operations of the loop and data buffer on the HDD are checked with the WRITE BUFFER and 
READ BUFFER commands. 
 
(2) 
Basic operation test 
 
The basic operations of the HDD are checked by executing self-diagnosis with the SEND 
DIAGNOSTIC command (see Subsection 6.1.1). 
 
(3) 
Random/sequential read test 
 
The positioning (seek) operation and read operation are tested in random access and sequential 
access modes with the READ, READ EXTENDED, or VERIFY command. 
 
(4) Write/read 
test 
 
By using a data block in the internal test space, the write/read test can be executed with an arbitrary 
pattern for a disk drive in which user data is stored. 
 
6.2 Maintenance 
Information 
6.2.1 Precautions 
 
Take the following precautions to prevent injury during maintenance and troubleshooting: 
 
1.  To avoid injury, do not touch the mechanical assembly during disk drive 
operation. 
2.  Do not use solvents to clean the disk drive. 
 
Take the following precautions to prevent disk drive damage during maintenance and 
troubleshooting: 
 
 
1.  Always ground yourself with a wrist strap connected to ground before 
handling.  ESD (Electrostatics Discharge) may cause the damage to the 
device. 
2.  Do not remove a PCA. 
3.  Do not use a conductive cleaner to clean a disk drive assembly.