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Maintenance and Diagnosis

1-10

C141-F071

Table 1.1 Status register contents

Bit Contents

BIT0=1

Shown in Table 1.2

BIT1, 2

It is not necessary to take any measure when other bits are
normal, in spite of these bits. (Normal)

BIT3=1

BIT4=1

BIT5=1

BIT6=0

BIT7=1

Any of these
cases.

(1) Check whether vibration is transmitted because of the way

the disk drive is mounted.

(2) Check the power, cable, and connector.

(3) If it is concluded that the disk drive is the cause, replace the

disk drive.

Table 1.2 Disposition for error register contents

Error bit

Method of disposition

BIT0

BIT1

BIT4

BIT6

Any of these
bits are “1”.

If it is concluded that the disk drive is the cause, replace the
drive.

BIT2

BIT7

Any of these
bits are “1”.

(1) Check the status of the host, cable, and drive.

(2) If it is concluded that the disk drive is the cause,

replace the drive.

1.2 Operation

Confirmation

1.2.1 Operation

test

When the host computer is processing data, the disk drive monitors disk drive
operation errors including data, command, and seek errors. The host is notified of
the error that the disk drive detected and the user is notified of its result.

The user may notice intermittent and indefinite failures such as overlong
execution time, abnormal noise, abnormal odor, or failures in particular processes.

The failure reported in the operation test will need further investigation. To
ascertain the cause of the disk drive failure reported, the disk drive can be
replaced. Failures in the operation test are often not caused by the host system.