Features; Functions And Performance; Adaptability - Fujitsu MHJ2181AT Product Manual

Device Overview

1.1 Features

1.1.1 Functions and performance

The fillowing features of the MHJ Series and MHK Series are described.
(1) Compact
The MHJ2181AT has 3 disks, and its height is 12.5 mm (0.492 inch). The
MHK2120AT, MHK2090AT and MHK2060AT have 1 disk or 2 disks of 65 mm
(2.5 inches) diameter, and its height is 9.5 mm (0.374 inch).
(2) Large capacity
The disk drive can record up to 6.0 GB (formatted) on one disk using the 16/17
MTR recording method and 15 recording zone technology. The MHJ Series and
MHK Series have a formatted capacity of 18.1 GB (MHJ2181AT), 12.0 GB
(MHK2120AT), 9.0 GB (MHK2090AT) and 6.0 GB (MHK2060AT) respectively.
(3) High-speed Transfer rate
The disk drives (the MHJ Series and MHK Series) have an internal data rate up to
22.3 MB/s. The disk drive supports an external data rate up to 66.6 MB/s (U-
DMA mode 4).
(4) Average positioning time
Use of a rotary voice coil motor in the head positioning mechanism greatly
increases the positioning speed. The average positioning time is 13 ms (at read).

1.1.2 Adaptability

(1) Power save mode
The power save mode feature for idle operation, stand by and sleep modes makes
The disk drives (the MHJ Series and MHK Series) ideal for applications where
power consumption is a factor.
(2) Wide temperature range
The disk drives (the MHJ Series and MHK Series) can be used over a wide
temperature range (5°C to 55°C).
(3) Low noise and vibration
In Ready status, the noise of the disk drives (the MHJ Series and MHK Series) is
only about 30 dBA (measured at 1 m apart from the drive under the idle mode).
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