HP Compaq nc6000 - Notebook PC User Manual

4–8 Maintenance and Service Guide
Removal and Replacement Preliminaries
Table 4-1 shows how humidity affects the electrostatic voltage
levels generated by different activities.
Table 4-2 lists the shielding protection provided by antistatic bags
and floor mats.
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 volts.
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

HP Compaq nc6000 - Notebook PC Specifications

General

Processor	Intel Pentium M
Chipset	Intel 855PM
Storage	30 GB to 60 GB HDD
Hard Drive Interface	ATA-100
Battery	6-cell Lithium-Ion
Operating System	Windows XP Professional
RAM	256 MB, upgradable to 2 GB
Graphics	ATI Mobility Radeon 9600
Display	14.1-inch
Display Resolution	1024 x 768 or 1400 x 1050
Optical Drive	DVD-ROM, CD-RW/DVD Combo, or DVD±RW
Networking	10/100/1000 Ethernet
Ports	2 x USB 2.0, VGA, parallel, serial, headphone, microphone