Fujitsu MAW3147NC/NP, MAW3300NC/NP, MAW3073NC/NP manual Maintenance Information 6.2.1 Precautions

(1)Interface (SCSI bus) test

The operations of the SCSI bus 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.

6.2Maintenance Information

6.2.1Precautions

Take the following precautions to prevent injury during maintenance and troubleshooting:

CAUTION

1.To avoid shocks, turn off the power before connecting or disconnecting a cable, connector, or plug.

2.To avoid injury, do not touch the mechanical assembly during disk drive operation.

3.Do not use solvents to clean the disk drive.

Take the following precautions to prevent disk drive damage during maintenance and troubleshooting:

C141-E226 6-5