Acer 4000 User Manual
Page 43
36
Chapter 1
Item
Seagate
Model Name
ST9100822A
Capacity (GB)
100
Guaranteed sectors
195,371,568
Bytes per sector
512P
Physical read/write heads
4
Discs
2
Caches(Mbytes)
8
Recording density, BPI (bits/Inch typical)
703,000
Track density. TPI
(track/Inch typical)
115,000
Areal density (Gbits/Inch max)
86
Rotational speed (RPM)
4200
Internal data transfer rate OD (Mbytes/sec
max.)
48.25
I/O data-transfer rate
(Mbytes/sec max.)
100
ATA data-transfer modes supported
PIO modes 0-4
Multiword DMA mode:0-2
Ultra DMA mode:0-5
Track-to-track seek time (msec typical)
1.0 (read)
1.5 (write)
Average seek time
(msec typical)
12.5
Seek Power
2.3W
Read/Write Power
2.05W/2.1W
Idle mode
0.99W
Standby mode
0.2W
Sleep mode
0.2W
Voltage tolerance
(including noise)
5V
%
Ambient temperature
Operating:
5
o
C to 55
o
C
nonoperating:
-40
o
C to 70
o
C
Temperature gradient (
o
C per hour max,
noncondensing)
20
o
C (operating)
30
o
C (nonoperating)
Relative Humidity gradient
30% per hour max
5
±