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40
Chapter 1
Hard Disk Drive
Seagate
Model
ST9120821AS
ST9120824AS
ST98823AS
Drive Specification
Formatted Gbytes (512 bytes/sector)
120
100
80
Physical read/write head
4
4
3
Discs
2
2
2
Spindle Speed (RPM)
5400
Internal transfer rate (Mbytes/sec.
max.)
57.6
I/O data transfer rate (Mbytes/sec.
max.)
150
ATA data transfer mode supported
SATA 1.0, SATA II
PIO modes 0-4
Multiword DMA modes 0-2
Ultra DMA modes 0-6
Bytes per sector
1024
Average latency
5.56
Average seek, read (msec. typical)
12.5
Average seek, write (msec. typical)
14.5
Cache buffer
8 Mbytes
Startup current (typical, peak)
+5V: 1.1A
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%
Содержание TravelMate 8200
Страница 2: ...II PRINTED IN TAIWAN ...
Страница 30: ...20 Chapter 1 ...
Страница 35: ...Chapter 1 25 ...
Страница 37: ...Chapter 1 27 View information about Acer ePower Management ...
Страница 107: ...Chapter 4 97 8 You will see the screen displaying PASS when the system has built NAPP Master hard disk drive ...
Страница 108: ...Chapter 5 98 Top View of Main Board Jumper and Connector Locations Chapter 5 ...
Страница 109: ...99 Chapter 5 Part One of Top View Part Two of Top View ...
Страница 111: ...101 Chapter 5 Bottom View Part One of Bottom View ...
Страница 113: ...103 Chapter 5 CN12 PCMCIA card header SW03 Slider switch CN14 Five in one card reader Item Description Item Description ...
Страница 115: ...105 Chapter 6 Exploded Diagram ...