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6 Gbytes USB 2.0 Pocket Hard Drive

Evgenie Rudometov

www.rudometov.com

On change pjatigigabajtnomu to the transportable USB-disk drive c1 ”HDDкомпания Seagateвыпустила more perfect model USB  2.0 PocketHardDriveST660211USBс in size of 6 Gbytes

Despite pressure of flesh-arrangements in the market of compact resources of writing, resocks and data storages, disk drives with miniature hard disks (HDD) yet have not lost the attractiveness in the opinion of potential users. It is promoted by low cost of an information storage in HDD. Realising possibilities of magnetic processing techniques, manufacturers of disk drives release new, more and more capacious models. As an example it is possible to result miniature shestigigabajtnuju the model released by company Seagate Technology LLC (further it is simple Seagate).

As well as the prior model, the new transportable disk drive of 1 inch with speed of rotation of a spindle of 3600 rpm is created on the basis of a miniature hard disk of a form factor . The new arrangement is hooked up by means of serial interface USB 2.0 with a transfer rate  — to 480 Mbit/with. The given arrangement, has technical name ST660211USB.

Key parametres

Appearance shestigigabajtnoj  2.0 Pocket Hard Drive is presented model of disk drive USB in a Fig. 1.

Fig. 1. Disk drive Seagate USB 2.0 Pocket Hard Drive

The USB-cable is built in a disk drive construction with the appropriate plug. With their help hooking up of the given arrangement to USB-sockets of desktop or transportable computers is provided. The given cable, which length makes about 15 sm, is allocated in a rim of an internal disk. At rotation of the given disk counter-clockwise the cable is coiled, on hour — is unwound.

In the central part of disk drive Seagate USB 2.0 Pocket Hard Drive, under a transparent, plastic window, the bright light-emitting diode, lighting up is allocated by bright, dark blue colour at call to the given arrangement.

Table 1. Key parametres of disk drive Seagate USB  2.0 PocketHardDriveмодели ST660211USB

Size, a Gbyte

6,0

Speed of rotation of disks, rpm

3600

Size of the internal cache memory, Mb

2

The interface

USB 2.0, compatibility USB 1.1

The sizes, mm

18,0 h 76,0

Power supplies

Through USB

Weight, g

62,4

Acoustic noise, db

22

Band of an operating temperature, With

0-40

Operating systems

Win XP/2000/ME, Win 98SE,
Mac OS 9.2.2 (or above)

Other parametres of 6 Gbytes ST660211USB, including and dependability, coincide with prior model 5 of Gbytes ST650211USB.

Rise of consumer properties of model 6 of Gbytes USB  2.0 Pocket Hard Drive is promoted by a set of the software delivered with it. This set coincides with a package of prior model ST650211USB. It is necessary to mark, that the new arrangement, as before, does not demand driver installation at usage widespread operational to systems.

In conclusion of the short browse of disk drive Seagate USB 2.0 Pocket Hard Drive ST660211USB some the numerical estimations received in the course of testing of the given arrangement further are resulted.

Testing

As a computer platform for testing of transportable disk drive SeagateUSB 2.0 PocketHard Drive ST660211USB in size of 6 Gbytes compact notebook Fujitsu Siemens LIFEBOOK P7010 used. The test package is presented in a Fig. 2.

Fig. 2. Disk drive Seagate USB 2.0 Pocket Hard Drive, hooked up to notebook Fujitsu Siemens LIFEBOOK P7010

Into structure of notebook Fujitsu Siemens LIFEBOOK P7010 enter:

        Motherboard FUJITSU FJNB189 (the processor bus of 400 MHz, Intel chip set 855GME with the built in graphics subsystem and ICH4-M),

        Intel of Pentium M ULV 733 (1.10 GHz, 2048 Kbytes of cache memory L2, clock rate of the processor bus of 100 MHz that provides data transfer with frequency of 400 MHz),

        the Disk drive on hard 2,5-inch magnetic disks HDD FUJITSU MHT2060AT in size of 60 Gbytes,

        Units of dynamic storage DDR333 SDRAM of 512 Mb,

        the Videoadapter presented by resources of the built in drawing of a chip set of Intel 855GME,

        Optical drive MATSHITA UJDA755 DVD/CDRW,

        the Operating system of Microsoft Windows XP Home Edition.

After hooking up of model ST660211USB of disk drive SeagateUSB 2.0 PocketHard Drive to notebook USB-port in a window My computer appears a new logical disk. By means of a choice of appropriate options it is possible to output on the display screen of value of information capacity.

In a Fig. 3 fragments of screenshots of the menu of "Property" are presented.

Fig. 3. A fragment of the menu of "Property"

Results of testing of disk drives Seagate USB 2.0 Pocket Hard Drive models ST660211USB and ST650211USB are resulted in Table 2 and in a Fig. 4.

Table 2. The Transfer rate

Arrangements

Disk Transfer Rate:End (1000 bytes per second)

Disk Transfer Rate:Beginning (1000 bytes per second)

Seagate 6GB

4360

7770

Seagate 5GB

4510

7430

Fig. 4. Results of testing SeagateUSB 2.0 PocketHard Drive ST660211USB and ST650211USB

From results of testing compact transportable disk drive Seagate USB 2.0 Pocket Hard Drive ST660211USB, as well as it pjatigigabajtnyj predecessor ST650211USB follows, that, possesses quite good high-speed parametres. It allows to recommend disk drive Seagate USB 2.0 Pocket Hard Drive ST660211USB as compact and an effective remedy of carrying over and storage of programs and data.

Transportable 6 Gbytes disk drive Seagate USB 2.0 Pocket Hard Drive ST660211USB have been given on testing by company EASTSIDEConsulting



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