Touchpad
The following table lists the touchpad specifications of your Precision 7680.
Table 17. Touchpad specifications
Description Values
Touchpad resolution:
Horizontal
>300 dpi
Vertical
761 dpi
Touchpad dimensions:
Horizontal
115 mm (4.52 in.)
Vertical
80 mm (3.14 in.)
Touchpad gestures For more information about touchpad gestures available
on Windows, see the Microsoft knowledge base article at
support.microsoft.com.
Power adapter
The following table lists the power adapter specifications of your Precision 7680.
Table 18. Power adapter specifications
Description Option one Option two
Type
180 W AC adapter 240 W AC adapter
Connector dimensions:
External diameter
7.40 mm (0.29 in.) 7.40 mm
Internal diameter
5.10 mm (0.20 in.) 5.10 mm
Power-adapter dimensions:
Height
22 mm (0.8 in.) 22 mm (0.8 in.)
Width
66 mm (2.6 in.) 66 mm (2.6 in.)
Depth
130 mm (5.1 in.) 143 mm (5.6 in.)
Input voltage
100 VAC x 240 VAC 100 VAC x 240 VAC
Input frequency
50 Hz–60 Hz 50 Hz–60 Hz
Input current (maximum)
2.34 A 3.50 A
Output current (continuous)
9.23 A 12.30 A
Rated output voltage
19.50 VDC 19.50 VDC
Temperature range:
Operating
0°C-40°C (32°F–104°F) 0°C-40°C (32°F–104°F)
Specifications of Precision 7680 21