Dell Chromebook 3120: руководство по обслуживанию

Dimensions and weight

The following table lists the height, width, depth, and weight of your Chromebook 3120.

Table 1. Dimensions and weightThe following table lists the height, width, depth, and weight of your Chromebook 3120.
Description		Values
Height:
	Front height	20.75 mm (0.81 in.)
	Rear height	20.75 mm (0.81 in.)
Width		303.90 mm (11.96 in.)
Depth		207.90 mm (8.19 in.)
Weight NOTE:The weight of your computer depends on the configuration that you ordered.		1.38 kg (3.04 lb)

Processor

The following table lists the details of the processors that are supported on your Chromebook 3120.

Table 1. ProcessorThe following table lists the details of the processors that are supported in your Chromebook 3120.
Description	Values
Type	Intel Processor N100
Wattage	4.80 W
Core count	4
Thread count	4
Speed	0.80 GHz to 3.40 GHz Turbo
Cache	6 MB
Integrated graphics	Intel UHD Graphics

Chipset

The following table lists the details of the chipset that is supported by your Chromebook 3120.

Table 1. Chipset The following table lists the details of the chipset that is supported by your Chromebook 3120.
Description	Values
Chipset	BGA 1264
Processor	Intel Processor N100
DRAM bus width	64-bit
Flash EPROM	16 MB
PCIe bus	Up to Gen3

Operating system

Your Chromebook 3120 supports the following operating system:

ChromeOS

Memory

The following table lists the memory specifications of your Chromebook 3120.

Table 1. Memory specifications
The following table provides the detailed memory specifications of Chromebook 3120.
Description		Values
Memory slots		Onboard NOTE: Memory is onboard and cannot be upgraded.
Memory type		LPDDR5/LPDDR5x
Memory speed		4800 MT/s
Maximum memory configuration		8 GB
Minimum memory configuration		4 GB
Memory configurations supported		4 GB: 2 x 2 GB, LPDDR5/LPDDR5x, 4800 MT/s, single-channel, onboard 8 GB: 4 x 2 GB, LPDDR5/LPDDR5x,4800 MT/s, single-channel, onboard

Internal slots

The following table lists the internal slots of your Chromebook 3120.

Table 1. Internal slotsThe following table lists the internal slots on your Chromebook 3120.
Description	Values
M.2	One M.2 3042 slot for WWAN module (optional) NOTE:To learn more about the features of different types of M.2 cards, search Dell Support Site.

External ports and slots

The following table lists the external ports and slots on your Chromebook 3120.

Table 1. External ports and slots
The following table lists ports and connectors available on Chromebook 3120.
Description	Values
USB ports	One USB 3.2 Gen 1 (5 Gbps) Type-C with DisplayPort Alt Mode port—left side One USB 3.2 Gen 1 (5 Gbps) Type-C with DisplayPort Alt Mode port (optional)—right side NOTE:This port is optional and is available for upsell computers. One USB 3.2 Gen 1 (5 Gbps) with PowerShare port
Audio port	One headset (headphone and microphone combo) port
Video port(s)	Via One USB 3.2 Gen 1 (5 Gbps) Type-C with DisplayPort Alt Mode port—left side One USB 3.2 Gen 1 (5 Gbps) Type-C with DisplayPort Alt Mode port (optional)—right side NOTE:This port is optional and is available for upsell computers.
Media-card reader	Not supported
Power-adapter port	One 65 W AC adapter, USB Type-C
Security-cable slot	One Wedge-shaped security slot

Wireless module

The following table lists the Wireless Local Area Network (WLAN) module that is supported on your Chromebook 3120.

Table 1. Wireless module specifications
The following table provides the wireless module specifications of Chromebook 3120.
Description	Values
Model number	Intel Wi-Fi 6 AX203 NOTE: Intel Wi-Fi 6 AX203 is integrated and not replaceable.
Transfer rate	1.20 Gbps
Frequency bands supported	2.40 GHz/5 GHz
Wireless standards	Wi-Fi 802.11a/b/g Wi-Fi 4 (Wi-Fi 802.11n) Wi-Fi 5 (Wi-Fi 802.11ac) Wi-Fi 6 (Wi-Fi 802.11ax)
Encryption	64-bit/128-bit WEP AES-CCMP TKIP
Bluetooth wireless card	Bluetooth 5.2 wireless card (Chrome)

WWAN module

The following table lists the Wireless Wide Area Network (WWAN) module supported on your Chromebook 3120.

Table 1. WWAN module specificationsThe following table provides the WWAN module specifications of your computer.
Description	Values
Model number	Qualcomm Snapdragon SDX12 Global LTE-Advanced (DW5824e)
Transfer rate	Up to 300 Mbps DL (CAT6) Up to 50 Mbps UL
Frequency bands supported	LTE (B1, B2, B3, B4, B5, B7, B8, B12, B13, B14, B17, B18, B19, B20, B25, B26, B28, B29, B30, B38, B39, B40, B41, B41 HPUE, B42, B43, B48, B66, B71) HSPA+ (1,2,4,5,6,8,19
Wireless standards	LTE FDD/TDD WCDMA/HSPA+ GPS/GLONASS/Beidou/Galileo
Encryption	3GPP security support
Global Navigation Satellite System (GNSS)	Single band support L1
NOTE:For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number, search in the Knowledge Base Resource at Dell Support Site. NOTE:For information on SIM/eSIM setup, see the SIM/eSIM Setup Guide for Chromebook on your computer's product support page at Dell Support Site.

Audio

The following table lists the audio specifications of your Chromebook 3120.

Table 1. Audio specifications
The following table provides the detailed audio specifications of Chromebook 3120.
Description		Values
Audio controller		Cirrus CS42L42
Stereo conversion		Supported
Internal audio interface		I2S
External audio interface		One headset (headphone and microphone combo) port
Number of speakers		Two
Internal-speaker amplifier		Maxim MAX98360
External volume controls		Keyboard shortcut controls
Speaker output:
	Average	2 W
	Peak	2.5 W
Microphone		Single-array microphone or Dual-array microphones

Storage

This section lists the storage options on your Chromebook 3120.

Your Chromebook 3120 system supports one 64 GB eMMC onboard storage.

NOTE:Storage is onboard and cannot be upgraded.

Table 1. Storage specifications
The following table provides the different storage options available on Chromebook 3120.
Storage type	Interface type	Capacity
eMMC	Onboard	64 GB

Keyboard

The following table lists the keyboard specifications of your Chromebook 3120.

Table 1. Keyboard specifications
The following table provides the detailed keyboard specifications of Chromebook 3120.
Description	Values
Keyboard lighting technology	Non-backlit keyboard
Keyboard layout	QWERTY
Number of keys	Non-backlit keyboard without numpad: English International, English US: 74 keys English UK, Canada Bilingual MUI, Nordic MUI, Spanish Latin America: 75 keys Belgium, France - AZERTY: 75 keys
Key pitch	X = 19.05 mm key pitch Y = 18.05 mm key pitch
Keyboard shortcuts	Some keys on your keyboard have two symbols on them. These keys can be used to type alternate characters or to perform secondary functions. To type the alternate character, press Shift and the desired key. To perform secondary functions, press Fn and the desired key. NOTE:You can define the primary behavior of the function keys (F1–F12) changing Function Key Behavior in BIOS setup program.

Camera

The following table lists the camera specifications of your Chromebook 3120.

Table 1. Camera specifications
The following table provides the detailed camera specifications of Chromebook 3120.
Description		Values
Number of cameras		One
Camera type		HD RGB camera NOTE: Single microphone is available in minimal configuration. Dual-array microphones is available in upsell configuration.
Camera location		Front camera
Camera sensor type		CMOS sensor technology
Camera resolution:
	Still image	0.92 megapixel
	Video	1280 x 720 (HD) at 30 fps
Diagonal viewing angle		78.60 degrees

Touchpad

The following table lists the touchpad specifications of your Chromebook 3120.

Table 1. Touchpad specifications
The following table provides the detailed touchpad specifications of Chromebook 3120.
Description		Values
Touchpad resolution:		>300 dpi
Touchpad dimensions:
	Horizontal	99.40 mm (3.91 in.)
	Vertical	54.40 mm (2.14 in.)
Touchpad gestures		For more information about touchpad gestures available on Chromebook, see support.google.com/chromebook.

Power adapter

The following table lists the power adapter specifications of your Chromebook 3120.

Table 1. Power-adapter specifications
The following table provides the detailed power adapter specifications of Chromebook 3120.
Description		Values
Type		65 W AC adapter, USB Type-C
Power-adapter dimensions:
	Height	28 mm (1.10 in.)
	Width	51 mm (2.01 in.)
	Depth	112 mm (4.41 in.)
Input voltage		100 VAC x 240 VAC
Input frequency		50 Hz x 60 Hz
Input current (maximum)		1.70 A
Output current (continuous)		20 V/3.25 A (continuous) 15 V/3 A (continuous) 9 V/3 A (continuous) 5 V/3 A (continuous)
Rated output voltage		20 VDC/15 VDC/9 VDC/5 VDC
Temperature range:
	Operating	0°C to 40°C (32°F to 104°F)
	Storage	-40°C to 70°C (-40°F to 158°F)
CAUTION:Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components.

Power adapter requirements

This section contains the power adapter requirements for Chromebook 3120.

NOTE:If you did not purchase the Dell-branded power adapter that is recommended for your computer, ensure that the power adapter you use meets the following requirements:

Table 1. Power adapter requirements for Chromebook 3120 The following table lists the power adapter for your Chromebook 3120:
Description	Value
Power that is required from a power adapter to achieve optimal performance.	65 W
Power that is required to charge the computer at a slower speed. NOTE: A warning message may appear informing you about the use of a lower-powered adapter and slower charging speed.	Less than 20 W
Minimum power that is required from a power adapter to operate the computer and charge the battery. NOTE: A warning message appears informing you about the use of a lower-powered adapter and slower charging speed.	AC adapter rate is greater than 15 W. AC adapter rate is equal to 15 W, and battery RSOC is equal to or greater than 1%.
USB Power Delivery (PD) fast charging	N/A
ExpressCharge mode	N/A

Battery

The following table lists the battery specifications of your Chromebook 3120.

Table 1. Battery specifications
The following table provides the detailed battery specifications of Chromebook 3120.
Description		Option one	Option two
Battery type		3-cell, 42 Wh, smart Lithium Ion	3-cell, 42 Wh, smart Lithium Ion, Long Life Cycle
Battery voltage		11.40 VDC	11.40 VDC
Battery weight (maximum)		0.20 kg (0.44 lb)	0.20 kg (0.44 lb)
Battery dimensions:
	Height	5.90 mm (0.23 in.)	5.90 mm (0.23 in.)
	Width	191.85 mm (7.55 in.)	191.85 mm (7.55 in.)
	Depth	103.25 mm (4.06 in.)	103.25 mm (4.06 in.)
Temperature range:
	Operating	0°C to 35°C (32°F to 95°F) Charge: 0°C to 50°C (32°F to 122°F) Discharge: 0°C to 70°C (32°F to 158°F)	0°C to 35°C (32°F to 95°F) Charge: 0°C to 50°C (32°F to 122°F) Discharge: 0°C to 70°C (32°F to 158°F)
	Storage	–20°C to 60°C (-4°F to 140°F)	–20°C to 60°C (-4°F to 140°F)
Battery operating time		Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.	Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.
Battery charging time (approximate)		Standard mode: 0~15 degrees: 4 hours 16~60 degrees: 3 hours 46~50 degrees: 3 hours	Standard mode: 0~15 degrees: 4 hours 16~60 degrees: 3 hours 46~50 degrees: 3 hours
Coin-cell battery		Not supported	Not supported
CAUTION:Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components. CAUTION:Dell Technologies recommends that you charge the battery regularly for optimal power consumption. If your battery charge is depleted, connect the power adapter, turn on your computer, and then restart your computer to reduce the power consumption.

Power requirements (for computers shipped with 3-cell, 42 Wh battery)

NOTE: The information in this section is applicable to the European Union (EU) countries.

Pictogram for 55h battery — Figure 1. Pictogram for 42 Wh battery

The power that is delivered by the charger must be between a minimum of 21 Watts that is required by the radio equipment, and a maximum of 41 Watts in order to achieve the maximum charging speed.

This computer supports USB Power Delivery (PD) fast charging.

Display

The following table lists the display specifications of your Chromebook 3120.

Table 1. Display specifications
The following table provides the detailed display specifications of Chromebook 3120.
Description		Option one	Option two
Display type		11.6" High Definition (HD)	11.6" High Definition (HD)
Touch options		No	Yes
Display-panel technology		Twisted Nematic (TN)	Twisted Nematic (TN)
Display-panel dimensions (active area):
	Height	144 mm (5.67 in.)	144 mm (5.67 in.)
	Width	256.13 mm (10.08 in.)	256.13 mm (10.08 in.)
	Diagonal	294.64 mm (11.60 in.)	294.64 mm (11.60 in.)
Display-panel native resolution		1366 x 768	1366 x 768
Luminance (typical)		220 nit	220 nit
Megapixels		1.04	1.04
Color gamut		45% NTSC	45% NTSC
Pixels Per Inch (PPI)		135 ppi	135 ppi
Contrast ratio (minimum)		600:1 typical	500:1 typical
Response time (maximum)		20 ms	16 ms
Refresh rate		60 Hz	60 Hz
Horizontal view angle		+40/-40 degrees	+40/-40 degrees
Vertical view angle		+10/-30 degrees	+10/-30 degrees
Pixel pitch		0.1875 mm x 0.1875 mm	0.1875 mm x 0.1875 mm
Power consumption (maximum)		2.80 W	3 W
Anti-glare vs glossy finish		Anti-Glare	Glossy

Sensors

The following table lists the sensors of your Chromebook 3120.

Table 1. Sensor The following table lists the sensor of your Chromebook 3120.
Sensor support
N/A

GPU—Integrated

The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Chromebook 3120.

Table 1. GPU—Integrated
The following table provides the detailed integrated graphics specifications of Chromebook 3120.
Controller	Memory size	Processor
Intel UHD Graphics	Shared system memory	Intel Processor N100

External display support

The following table lists the external display support for your Chromebook 3120.

Table 1. External display supportThe following table lists the external display support for your Chromebook 3120.
Graphics card	Supported external displays with laptop display enabled	Supported external displays with laptop display disabled
Intel UHD Graphics	2	2

Hardware security

The following table lists the hardware security of your Chromebook 3120.

Table 1. Hardware security The following table provides the hardware security details on your Chromebook 3120.
Hardware security
H1 security chip
One Wedge-shaped lock slot

Operating and storage environment

This table lists the operating and storage specifications of your Chromebook 3120.

Airborne contaminant level: G1 as defined by ISA-S71.04-1985

Table 1. Computer environment
The following table lists the operating and storage environment conditions of Chromebook 3120.
Description	Operating	Storage
Temperature range	0°C to 35°C (32°F to 95°F)	-40°C to 65°C (-40°F to 149°F)
Relative humidity (maximum)	10% to 90% (non-condensing)	0% to 95% (non-condensing)
Vibration (maximum)^*	0.66 GRMS	N/A
Shock (maximum)	160 G†	N/A
Altitude range	-15.2 m to 3048 m (-49.87 ft to 10000 ft)	-15.2 m to 10668 m (-49.87 ft to 35000 ft)
CAUTION:Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components.

^{* Measured using a random vibration spectrum that simulates the user environment.}

^{† Measured using a 2 ms half-sine pulse.}

Dell support policy

For information about Dell support policy, search Dell Support Site.