Acer 7715Z, 7315 manual Hard Disk Drive Interface, Specification

Models: 7715Z 7315

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Hard Disk Drive Interface

Hard Disk Drive Interface

Item

 

Specification

 

 

 

 

 

 

Vendor & Model

Seagate

Seagate

Toshiba

Western Digital

Name

ST9500325AS

ST9320320AS

MK3255GSX

WD5000BEVT

 

ST9250315AS

ST9160310AS

MK2555GSX

WD3200BEVT

 

 

 

MK1655GSX

WD2500BEVT

 

 

 

 

WD1600BEVT

 

 

 

 

 

Capacity (MB)

500, 250

320, 160

320, 250, 160

500, 320, 250,

 

 

 

 

160

 

 

 

 

 

Bytes per sector

512

512

512

512

 

 

 

 

 

Data heads

4, 2

4, 2

4, 2, 2

4, 4, 3, 2

 

 

 

 

 

Drive Format

 

 

 

 

 

 

 

 

 

Disks

2, 1

2 or 1, 1

2, 1, 1

2, 2, 2, 1

 

 

 

 

 

Spindle speed

5400

5400

5400

5400

(RPM)

 

 

 

 

 

 

 

 

 

Performance Specifications

 

 

 

 

 

 

 

 

Buffer size

8 MB

8 MB

8 MB

8 MB

 

 

 

 

 

Interface

SATA

SATA

SATA

SATA

 

 

 

 

 

Internal transfer

 

352

395~952

850 Mbits/s

rate (Mbits/sec,

 

 

(typical)

maximum

max)

 

 

 

 

 

 

 

 

 

I/O data transfer

 

150

300

300 maximum

rate

 

 

 

 

(Mbytes/sec

 

 

 

 

max)

 

 

 

 

 

 

 

 

 

DC Power Requirements

 

 

 

 

 

 

 

 

Voltage

5V ±5%

5V ±5%

5V ±5%

5V ±5%

tolerance

 

 

 

 

 

 

 

 

 

16

Chapter 1

Page 26
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Acer 7715Z, 7315 manual Hard Disk Drive Interface, Specification