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Acer TRAVELMATE TravelMate 4050 User Manual

Page 30

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Chapter 1

23

Hard Disc Drive Interface

Item

Specification

Functionality

Model Name

Toshiba
MK3025GAS

Hitachi
HTS424030M9AT00

Seagate
2.75”W. 37”H ST94019A

Capacity (MB)

30000

30000

40000

Bytes per sector

512

512

512

Data heads

2

2

3

Data Disks

1

1

2

Spindle speed (RPM)

4200 RPM

4200 RPM

4200 RPM

Performance Specifications

Buffer size

2MB

2MB

2048KB

Interface

ATA-5

ATA-6

ATA-5

Media transfer rate (disk-
buffer, Mbytes/s, max)

154.3~298.0Mbits/sec

370Mbits/sec

386Mbits/sec

Interface transfer rate
(host~buffer, Mbytes/
s,max)

100Mbytes/sec.
Ultra DMA mode-5

100 MB/Sec.
Ultra DMA mode-5

100 MB/Sec.
Ultra DMA mode-5

DC Power Requirements

Voltage tolerance

5V(DC) +/-5%

5V(DC) +/- 5%

5V(DC) +/- 5%

Combo Drive Interface

Item

Specification

Vendor & model name

QSI SBW-242C
HLDS GCC-4243N

Diameter

12cm and 8cm

Capacity

CD-ROM

DVD-ROM

650Model1, 12cm disk

4.7GB
Model1, 12cm disk

Transfer rate (KB/sec)

CD-ROM DVD-ROM

3.6 MB/s max (read)

11.08 MB/s max(read)

Write Speed : 3.6 MB/s (typical)

Access Time

CD-ROM

DVD-ROM

150 ms(typical)

150 ms(typical)

Voltage

DC+5V +/-5%

Applicable disc format

DVD: DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18),DVD-R, DVD-RW,
DVD+R,DVD+RW,DVD-RAM(optional),CD-DA, CD-ROM/XA, CD-i, Karaoke
CD, Video CD, Multi-session Photo CD, Enhanced CD, i-trax CD, CD extra,
CD Plus, CD-Text, CD-R and CD-RW Discs

Speed

8X DVD Disc Reading Speed
24X CD-R Disc Writing Speed
24X CD-RW Disc Writing Speed
24X CD-ROM Reading Speed

Interface

IDE/ATAPI interface (comliant to ATA /ATAPI-5)

Dimnsion

128.0x12.7x129.0

Weight

Aluminum : 190 gm
Metal : 235 gm