Compaq N400c 802.11b MultiPort Module Receiver Sensitivity Bit, Error Rate 1E-5, Power Management

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QuickSpecs

Compaq Evo Notebook N400c

Technical Specifications

802.11b MultiPort Module (continued) Receiver Sensitivity – Bit

11 Mbps: -85 dBm

 

Error Rate (1E-5)

 

5.5 Mbps: -87 dBm

 

 

 

 

 

 

 

2 Mbps: -91 dBm

 

 

 

 

 

1 Mbps: -94 dBm

 

 

 

 

Maximum Receive Level

–4 dBm

 

 

 

 

Output Power (approximately)

18 dBM

 

 

 

 

Operating Voltage

5V power operation

 

 

 

 

Power Management

Keystroke Fn+F2 Power On/Off control

 

 

 

 

Power Consumption

Transfer mode: < 600 mA, maximum

 

 

 

 

 

Receive mode: > 400 mA, maximum

 

 

 

 

 

Standby mode: > 1 mA, maximum

 

 

 

 

Transmit Power

10 to 100mW

 

 

It is preferable to have the user configurable output power to save battery life for

 

 

laptop users or in high AP coverage areas

 

 

 

 

Power Saving Option

802.11 Compliant Power Saving

 

 

 

 

 

Power Saving Mode selectable through the configuration utility

 

 

 

 

 

ACPI compliant power management

 

 

 

 

Media Access Protocol

CSMA/CA (Collision Avoidance) with ACK

 

 

 

 

OS Support

Microsoft Windows 98/98SE

 

 

Microsoft Windows 2000

 

 

Microsoft Windows Millennium

 

Protocols Supported

TCP/IP

 

 

IPX/SPX

 

 

UDP

 

LED Activity

Flashing LED – AP Search Mode

 

 

Solid LED – On

 

 

LED Off – Power Off

Throughput, Data Rate and

Throughput

Operating Distance

 

> 4.5 Mbps

 

 

 

 

> 2 Mbps

 

 

 

> 700 Kbps

Data Rate

Operating Distance

 

 

11 Mbps

1000 feet – Open sight

 

100 feet – Closed space

 

(Steel Space)

 

 

5.5 Mbps

1100 feet – Open sight

 

200 feet – Closed space

 

(Steel Space)

 

 

1 Mbps

1200 feet – Open sight

300 feet – Closed space (Steel Space)

DA-10844

Canada — Version 18 — August 27, 2002

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Contents QuickSpecs OverviewStandard Features System Recover y T e r f a c e sA p h i c s Operating System O ne o f th e fol l owi ngPower Suppl y BatteryPower Con servation Intel ligen t Manag eab ili tyL t i P o r t Ser vi ce and SupportNam ing Convention Etymology of a Model name GB Smart Options Wireless Connectivity PowerCommon Power Solutions ConnectivityUseful Accessories Input DevicesSecurity Carrying CasesUp to Slot MemoryMemory Slot Storage Technical Specifications Drive Weight External AC Adapter WeightPower Supply Input Internal Lithium-Ion Battery Pack WeightSecondary Lithium-Ion Battery Dimensions H x W x D Pack WeightSecondary High Capacity Lithium- Dimensions H x W x D Ion Battery Pack WeightAccess Times MultiBay DVD/CD-RW Combo MultiBay DriveDrive Center Hole DiameterDisk Thickness Track Pitch Access Times MultiBay DVD-ROM Drive MultiBay DriveDisc Diameter Disc Thickness Track PitchDiskette Size Activity Indicator Read/Write heads Access TimesOption Kit Contents MultiBay Diskette Drive MultiBay DriveMultiBay Iomega Zip 250 Drive Dimensions H x W x D Operating TemperatureStorage Temperature Transfer RatesError Rate 1E-5 Power ManagementPower Consumption Transmit PowerBluetooth MultiPort Module Form Factor BluetoothDimensions RangeBluetooth MultiPort Module Usage Models Power RequirementSynchronization File TransferPower Management Support Data Mode CapabilitiesOptional symbol rates Synchronous primary channel data signaling ratesEthernet Features Data Link LayersSoftware support Protocol support
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N400c specifications

The Compaq N400c is a notable lightweight notebook that was introduced in the early 2000s, targeting mobile professionals and students alike. It features a sleek design that highlights portability while still accommodating essential computing capabilities.

One of the main features of the N400c is its size and weight, making it ideal for users who require a laptop that can easily be carried around. Weighing approximately 4.2 pounds, it boasts a compact form factor that is conducive to both travel and work in tight spaces. The N400c is equipped with a 12.1-inch XGA display, offering a resolution of 1024 x 768 pixels, which provides decent clarity for basic productivity tasks, web browsing, and presentations.

In terms of performance, the N400c typically comes with Intel's Pentium III Mobile processor, operating at speeds of around 1 GHz. This processor is designed to deliver adequate performance for everyday computing tasks such as word processing, spreadsheets, and general internet use. Coupled with a maximum of 512 MB of RAM, the N400c ensures that users can multitask efficiently, although it may struggle with more demanding applications.

The storage options available on the N400c include a standard 20 GB hard drive, which can accommodate the necessary documents, software applications, and media files for most users during its time. Additionally, the notebook features a CD-ROM drive, making it easy to install software or play media from discs.

Connectivity is a significant aspect of the N400c, which includes several ports such as USB 1.1, parallel, serial, and VGA for external display connections. Ethernet support is also provided, along with an optional modem for dial-up internet access. While wireless capabilities were becoming increasingly popular, the N400c had limited options for connectivity in that regard.

Battery life is another important characteristic of the Compaq N400c. It typically features a 6-cell Lithium-ion battery, which offers an average battery life of around 3 to 4 hours, depending on usage patterns and power-saving modes employed.

In summary, the Compaq N400c stands out as a practical choice for users seeking a lightweight, portable laptop with sufficient processing power for general tasks. Its combination of decent performance, connectivity options, and compactness makes it a valued device for its time and an appropriate solution for mobile professionals. Though surpassed by modern technology, the N400c remains a memorable entry in the evolution of portable computing.