Removal and Replacement Preliminaries

■Nonconductive plastic bags, tubes, or boxes

■Metal tote boxes

■Electrostatic voltage levels and protective materials

Table 4-1 shows how humidity affects the electrostatic voltage levels generated by different activities.

Table 4-1

Typical Electrostatic Voltage Levels

 

 

Relative Humidity

 

 

 

 

 

 

 

 

 

Event

10%

 

40%

 

55%

 

 

 

 

 

 

 

 

Walking across carpet

35,000

V

15,000

V

7,500

V

 

 

 

 

 

 

 

Walking across vinyl floor

12,000

V

5,000

V

3,000

V

 

 

 

 

 

 

 

Motions of bench worker

6,000

V

800

V

400

V

 

 

 

 

 

 

 

Removing DIPS from plastic tube

2,000

V

700

V

400

V

 

 

 

 

 

 

 

Removing DIPS from vinyl tray

11,500

V

4,000

V

2,000

V

 

 

 

 

 

 

 

Removing DIPS from Styrofoam

14,500

V

5,000

V

3,500

V

 

 

 

 

 

 

 

Removing bubble pack from PCB

26,500

V

20,000

V

7,000

V

 

 

 

 

 

 

 

Packing PCBs in foam-lined box

21,000

V

11,000

V

5,000

V

✎A product can be degraded by as little as 700 V.

Table 4-2 lists the shielding protection provided by antistatic bags and floor mats.

Table 4-2

Static-Shielding Materials

Material

Use

Voltage Protection Level

 

 

 

Antistatic plastic

Bags

1,500 V

 

 

 

Carbon-loaded plastic

Floor mats

7,500 V

 

 

 

Metallized laminate

Floor mats

5,000 V

 

 

 

Maintenance and Service Guide

4–7

Page 84 Page 86
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Image 85
Compaq N410c manual Typical Electrostatic Voltage Levels, Static-Shielding Materials, Relative Humidity Event 10% 40% 55%
Page 84 Page 86

N410c specifications

The Compaq N410c is a versatile and reliable laptop that was part of the Compaq Presario line, designed primarily for the budget-conscious consumer who sought functionality without compromising performance. Launched in the early 2000s, the N410c captured attention for its blend of essential features and portable design, making it suitable for both students and professionals alike.

At the core of the Compaq N410c is its durable build quality, which meets the needs of users who require a robust device for daily use. Weighing in at around 5.5 pounds, it offered a good balance between portability and performance. The 14.1-inch TFT display provided decent brightness and clarity, ensuring effective viewing for various tasks, whether it was for school projects, business presentations, or simple web browsing.

Equipped with a Pentium 4 processor, the N410c delivered adequate processing power for typical applications of its time. It supported up to 512 MB of RAM, which, though modest by contemporary standards, was sufficient for basic multitasking and running essential software. Additionally, the laptop featured a hard drive capacity of up to 60 GB, providing ample space for documents, media, and applications.

Connectivity options on the Compaq N410c included integrated Ethernet and a 56K modem, which catered to users in both home and office environments. The presence of USB ports allowed for easy connections with peripherals such as printers, external drives, and mice, enhancing the user experience.

In terms of software, the Compaq N410c typically shipped with Windows XP, an operating system known for its user-friendly interface and support for a wide range of applications. Users appreciated the laptop's compatibility with various productivity tools, which made it an attractive choice for everyday tasks.

Overall, the Compaq N410c combined practical features with reasonable performance, securing its place as a popular model among budget-friendly laptops of its era. While it may not possess the cutting-edge technologies of modern devices, its emphasis on durability, functionality, and user experience made it a respected option during its heyday, particularly for those who required a solid workhorse for everyday computing needs.
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