Acer TravelMate 8200 Service Manual page 50

Hard Disk Drive
Model
Drive Specification
Formatted Gbytes (512 bytes/sector)
Physical read/write head
Discs
Spindle Speed (RPM)
Internal transfer rate (Mbytes/sec.
max.)
I/O data transfer rate (Mbytes/sec.
max.)
ATA data transfer mode supported
Bytes per sector
Average latency
Average seek, read (msec. typical)
Average seek, write (msec. typical)
Cache buffer
Startup current (typical, peak)
Ambient temperature
Temperature gradient (
max.)
Relative humidity
Relative humidity gradient
Drive acoustics, sound power (bels)
idle
Shock, operating (Gs max. at 0.5
msec.)
Shock, nonoperating (Gs max. at 2
msec.)
Vibration, operating
Vibration, nonoperating
Nonrecoverable read errors
Seek power (typical)
Read/write power (typical)
Idle mode, lower power (typical)
Standby mode
Sleep mode
Voltage tolerance
40
Seagate
ST9120821AS
120
4
2
5400
57.6
150
SATA 1.0, SATA II
PIO modes 0-4
Multiword DMA modes 0-2
Ultra DMA modes 0-6
1024
5.56
12.5
14.5
8 Mbytes
+5V: 1.1A
5 to 55
o o
C per hour 20 C (operating), 30
5% to 90% (operating), 5% to 95% (nonoperating)
30% per hour max.
2.4 (typical), 2.6 (max)
250
800
1.0 G (0 to peak, 5-500 Hz)
5 Gs (0 to peak, 5-500 Hz)
1 per 10
2.20 watts
Read: 1.90 watts; Write: 2.30 watts
0.80 watts
0.28 watts
0.28 watts
+5.0V +/- 5%
ST9120824AS
100
4
2
o
C (operating), -40 to 70
o
C (nonoperating)
14
bits read, max.
ST98823AS
80
3
2
o
C (nonoperating)
Chapter 1