Acer 4520 - page 132

122 Appendix C
Hard Disk Drive
Specification Capacity
80 GB 120 GB 160
Provider Seagate Toshiba Seagate
Model
Part number ST980811AS MK1237GSX ST9160821AS
Formatted capacity 120 GB
Number of disks 2
Number of data heads 4
Interface ATA7/Serial ATA 1.0a
Seek time (average) 12ms
Rotational speed 5,400 (±0.1%) rpm
Data transfer rate
Internal
Buffer to Host
335 to 613 Mb/s
300 MB/s
Buffer 8 MB
Dimensions (mm)
Height
Width
Depth
9.5
69.85
100.0
Weight 102g (max)
Allowable voltage 5V ±5%
Temperature
Operating
Non-operating 5 to 55 C
-40 to 60 C
Humidity (non-condensing) 8–90%R.H.
Vibration
Operating
Non-operating
9.8m/s2 (1G)
49m/s2 (5G)
°
°
Acer TM 4520 SG.book Page 122 Friday, June 22, 2007 5:43 PM