beautypg.com

Acer 4000 User Manual

Page 42

background image

Chapter 1

35

Hard Disk Drive Interface

Item

HITACHI

Model Name

HTS541010G9AT00

Capacity (GB)

100

Bytes per sector

512

Logical heads

16

Logical sectors

63

Configuration
Interface

ATA-6

Capacity (GB)

100 / 80 / 60 / 40

Sector size (Bytes)

512

Recording zones

16

Data heads (physical)

4 / 4 / 3 / 2

Data disks

2 / 2 / 2 / 1

Max. areal density (Gbits/sq. inch)

86 / 70 / 70 / 70

Performance
Data buffer (MB)

8

Rotational speed (RPM)

5400

Latency average (ms)

5.5

Media transfer rate (Mbits/sec, max)

493

Interface transfer rate (MB/sec, max)

100 Ultra DMA mode-5
16.6 PIO mode-4

Seek time (read, typical)Average (ms)

12

Reliability
Load/Unload cycle

600,000

Power
Requirement

+5VDC (+-5%)

Dissipation (Typical)
Startup (peak, max.)

5.0W

Read (avg.)

2.0W

Write (avg.)

2.0W

Active idle (avg.)

0.85W

Low power idle (avg.)

0.60W

Standby (avg.)

0.2W

Sleep

0.1W

Environmental
Operating
Ambient temperature

5

o

to 55

o

C

Shock (half sine wave)

300 G / 2ms, 160G / 1ms

Non-operating
Ambient temperature

-40

o

C to 65

o

C

Shock (half sine wave)

1000 G / 1 ms