Dell P40G002 owner manual Discharge 0 C to 70 C 32 F to 122 F

Page 55

Table 25. Keyboard

Feature

Specification

 

 

 

Number of keys

United States: 82 keys, United Kingdom: 83 keys, Brazil:

 

84 keys, and Japan: 86keys

Table 26. Touchpad

 

 

 

 

 

Feature

Specification

 

 

 

 

 

Latitude 7250

Latitude 7450

 

 

 

Active Area:

 

 

X-axis

99.5 mm

99.5 mm

Y-axis

53.0 mm

53.0 mm

Table 27. Battery

 

 

 

 

 

Feature

Specification

 

 

 

Type

3-cell Lithium Polymer battery with ExpressCharge

 

4-cell Lithium Polymer battery with ExpressCharge

Dimensions:

Latitude 7250

Latitude 7450

3–cell/4–cell

 

 

Depth

80.75 mm (3.18 inches)

74.75 mm (2.94 inches)

Height

7.20 mm (0.28 inch)

8.00 mm (0.31 inch)

Width

282.00 mm (11.10 inches)

308.50 mm (12.15 inches)

Weight:

 

 

3-cell

250.00 g (0.55 lb)

247.00 g (0.54 lb)

4–cell

300.00 g (0.66 lb)

308.00 g (0.68 lb)

Voltage

 

 

3-cell

11.10 VDC

 

4–cell

7.40 VDC

 

Temperature range:

 

 

Operating

Charge: 0 °C to 50 °C (32 °F to 158 °F)

 

 

Discharge: 0 °C to 70 °C ( 32 °F to 122 °F)

Non-Operating

–20 °C to 65 °C (4 °F to 149 °F)

Coin-cell battery

3 V CR2032 lithium coin cell

55

Image 55
Contents Dell Latitude E7450 Page Contents Specifications Contacting Dell Before Working Inside Your Computer Working on Your ComputerTurning Off Your Computer After Working Inside Your Computer Docking Your Computer Recommended Tools Removing and Installing ComponentsSystem Overview Follow the procedures in Before Working Inside Your Computer Removing the BatteryFollow the procedures in After Working Inside Your computer Installing the BatteryRemoving the Base Cover Battery Base cover Installing the Base CoverRemoving the Hard Drive Removing the Coin-Cell Battery Installing the Hard DriveRemoving the Wwan Card Installing the Coin-Cell BatteryInstalling the Wlan Card Installing the Wwan CardRemoving the Wlan Card Removing the System Fan Installing the System FanRemoving the Display Bezel Battery Display bezel Installing the Display BezelRemoving the Display Panel Page Battery Display bezel Display panel Installing the Display PanelRemoving the Camera Removing the Keyboard Trim Installing the CameraBattery Base cover Keyboard trim Installing the Keyboard TrimRemoving the Keyboard Removing the Palmrest Installing the KeyboardBattery Base cover Keyboard trim Battery Base cover Hard drive Keyboard trim Palmrest Installing the PalmrestRemoving the Speakers Installing the Speaker Removing the I/O Board Installing the I/O BoardRemoving the Display-Hinge Cover Keyboard trim Palmrest Installing the Display-Hinge CoverPalmrest Keyboard Keyboard trim Base cover Battery Base cover Keyboard trim Hard drive Palmrest Removing the Display AssemblyInstalling the Display Assembly Removing the System Board Display assembly Hinge cover Wlan card Installing the System BoardRemoving the Heatsink Installing the HeatsinkRemoving the Power-Connector Port Installing the Power Connector Boot Sequence System SetupNavigation Keys System Setup Options PS2 SATA-0 Enables several security features KEK Hyper-Thread Control Page Post Behavior Wwan Updating the Bios Password Type System and Setup PasswordPage Enhanced Pre-Boot System Assessment ePSA Diagnostics DiagnosticsDevice Status Lights Battery Status LightsPage Specifications UMA FHD Discharge 0 C to 70 C 32 F to 122 F AC Adapter Environmental Contacting Dell