Fujitsu MBA3073NC Product Manual - Page 103
Maintenance, CAUTION, Precautions
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(1) Interface 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. 6.2 Maintenance See Section 5.1 and 6.5 for notes on packaging and handling when returning the HDD. CAUTION Data loss Save data stored on the HDD to other media before requesting repair. Fujitsu does not assume responsibility if data is corrupted during servicing or repair. 6.2.1 Precautions Take the following precautions to prevent injury during maintenance and troubleshooting: CAUTION High temperature To prevent injury, never touch the HDD while it is hot. The DE and LSI become hot during operation and remain hot immediately after turning off the power. C141-E270 99 Downloaded from www.Manualslib.com manuals search engine