Acer 4000 User Manual
Page 42

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