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1.1 Features
(2) Wide temperature range
The disk drive can be used over a wide temperature range (5 °C to 60 °C at DE
surface).
(3) Low noise and vibration
In Ready status (while the device is waiting for any commands), the Sound Power
level of the disk drives in idle mode is 2.0 B [MHZ2160BJ/MHZ2120BJ/
MHZ2080BJ] / 2.5 B [MHZ2320BJ/MHZ2250BJ/ MHZ2200BJ]. The Sound
Pressure level is 23 dB [MHZ2160BJ/MHZ2120BJ/ MHZ2080BJ] / 29 dB
[MHZ2320BJ/MHZ2250BJ/ MHZ2200BJ], as measured 0.3 m from the drive in
Idle mode.
(4) High resistance against shock
The Load/Unload mechanism is highly resistant against non-operation shock up to
8820 m/s
2
(900G).
1.1.3 Interface
(1) Connection to SATA interface
The disk drive has built-in controllers compatible with the SATA interface.
(2) Data buffer
The disk drive uses the data buffer to transfer data between the host and the disk
media.
In combination with the read-ahead cache system described in item (3) and the
write cache described in item (6), the buffer contributes to efficient I/O processing.
(3) Read-ahead cache system
After the execution of a disk read command, the disk drive automatically reads the
subsequent data block and writes it to the data buffer (read ahead operation). This
cache system enables fast data access. The next disk read command would normally
cause another disk access. But, if the read ahead data corresponds to the data
requested by the next read command, the data in the buffer can be transferred instead.
(4) Error correction and retry by ECC
If a recoverable error occurs, the disk drive itself attempts error recovery. The
ECC has improved buffer error correction for correctable data errors.
(5) Self-diagnosis
The disk drive has a diagnostic function to check operation of the controller and disk
drive. Executing a diagnostic function of the smart command invokes self-diagnosis.
C141-E280 1-3