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Acer 5737Z User Manual

Page 30

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20

Chapter 1

Hard Disk Drive Interface

Item

Specification

Vendor & Model
Name

Segate
ST9250827AS

Segate
ST9160310AS

Toshiba
MK3252GSX

Hitachi

5K350-320

5K350-250

WD
WD1600BEVT

Capacity (GB)

250

160

320

320, 250

160

Bytes per sector

512

512

512

512

512

Data heads

4

2

4

4, 4 or 3

2

Drive Format

Disks

2

1

2

2, 2

1

Spindle speed
(RPM)

5400

5400

5400

5400

5400

Performance Specifications

Buffer size

8 MB

8 MB

8 MB

8 MB

8 MB

Interface

SATA

SATA

SATA

SATA

SATA

Internal transfer
rate (Mbits/sec,
max)

778

352

400 ~ 794
typical

674 ~ 729

850 Mbits/s
maximum

I/O data transfer
rate

(Mbytes/sec
max)

300

150

300

300

300 maximum

DC Power Requirements

Voltage
tolerance

5V ±5%

5V ±5%

5V ±5%

5V ±5%

5V ±5%