Acer 9420 Laptop User Manual


 
42 Chapter 1
Average seek,
write (msec.
typical)
14.5
Cache buffer 8 Mbytes
Interface Serial ATA
Startup current
(typical, peak)
+5V: 1.1 amps
Ambient
temperature
5 to 55
o
C (operating), -40 to 70
o
C (nonoperating)
Temperature
gradient (
o
C per
hour max.)
20
o
C (operating), 30
o
C (nonoperating)
Relative humidity 5% to 90% (operating), 5% to 95% (nonoperating)
Relative humidity
gradient
30% per hour max.
Drive acoustics,
sound power
(bels) idle
2.4 (typical), 2.6 (max)
Shock, operating
(Gs max. at 0.5
msec.)
250
Shock,
nonoperating (Gs
max. at 2 msec.)
800
Vibration,
operating
1.0 G (0 to peak, 5-500 Hz)
Vibration,
nonoperating
5 Gs (0 to peak, 5-500 Hz)
Nonrecoverable
read errors
1 per 10
14
bits read, max.
Seek power
(typical)
2.20 watts
Read/write power
(typical)
Read: 1.90 watts; Write: 2.30 watts
Idle mode, lower
power (typical)
0.80 watts
Standby mode 0.28 watts
Sleep mode 0.28 watts
Voltage tolerance +5.0V +/- 5%
Seagate