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HP Compaq dc7800 User Manual

HP Compaq dc7800
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Avoid contact with pins, leads, or circuitry.
Place reusable electrostatic-sensitive parts from assemblies in protective packaging or conductive
foam.
Personal Grounding Methods and Equipment
Use the following equipment to prevent static electricity damage to equipment:
Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the ground
cords. To provide proper ground, a strap must be worn snug against bare skin. The ground cord
must be connected and fit snugly into the banana plug connector on the grounding mat or
workstation.
Heel straps/Toe straps/Boot straps can be used at standing workstations and are compatible
with most types of shoes or boots. On conductive floors or dissipative floor mats, use them on both
feet with a maximum of one-megohm ± 10% resistance between the operator and ground.
Static Shielding Protection Levels
Method
Voltage
Antistatic plastic
Carbon-loaded plastic
Metallized laminate
1,500
7,500
15,000
Grounding the Work Area
To prevent static damage at the work area, use the following precautions:
Cover the work surface with approved static-dissipative material. Provide a wrist strap connected
to the work surface and properly grounded tools and equipment.
Use static-dissipative mats, foot straps, or air ionizers to give added protection.
Handle electrostatic sensitive components, parts, and assemblies by the case or PCB laminate.
Handle them only at static-free work areas.
Turn off power and input signals before inserting and removing connectors or test equipment.
Use fixtures made of static-safe materials when fixtures must directly contact dissipative surfaces.
Keep work area free of nonconductive materials such as ordinary plastic assembly aids and
Styrofoam.
Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive.
Recommended Materials and Equipment
Materials and equipment that are recommended for use in preventing static electricity include:
Antistatic tape
Antistatic smocks, aprons, or sleeve protectors
Conductive bins and other assembly or soldering aids
54 Chapter 6 Identifying the Chassis, Routine Care, and Disassembly Preparation

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HP Compaq dc7800 Specifications

General IconGeneral
Tcase73.3 °C
Bus typeFSB
SteppingM0
Processor cache2 MB
Processor cores2
Processor modelE4600
System bus rate- GT/s
Processor familyIntel® Core™2 Duo
Processor seriesIntel Core 2 Duo E4000 Series
Processor socketLGA 775 (Socket T)
Processor codenameConroe
Processing Die size111 mm²
Processor frequency2.4 GHz
Processor cache typeL2
Processor lithography65 nm
Processor manufacturerIntel
Processor front side bus800 MHz
Processor operating modes64-bit
ECC supported by processorNo
Thermal Design Power (TDP)65 W
CPU multiplier (bus/core ratio)12
Number of Processing Die Transistors167 M
Internal memory1 GB
Internal memory typeDDR2-SDRAM
Maximum internal memory8 GB
Memory layout (slots x size)2 x 0.5 GB
HDD speed7200 RPM
HDD interfaceSATA
Optical drive typeDVD Super Multi
Total storage capacity160 GB
Audio input1
LightScribeYes
Networking featuresIntel 82566DM Gigabit Network Connection
Graphics card RAMDAC400 MHz
Storage drive controllerSATA 3, 0 Gb/s NCQ SMART VI
Discrete graphics card modelIntel® GMA 3100
Maximum graphics card memory0.256 GB
Operating system installedWindows Vista Business
USB 2.0 ports quantity8
Chassis typeMini Tower
Country of originChina
Cable lock slot typeKensington
Operating altitude0 - 3048 m
Non-operating altitude0 - 9144 m
Storage temperature (T-T)-30 - 60 °C
Operating temperature (T-T)10 - 35 °C
Storage relative humidity (H-H)5 - 95 %
Operating relative humidity (H-H)10 - 90 %
Power supply365 W
Product typePC
Processor codeSLA94
Processor ARK ID32242
Processor package size37.5 x 37.5 mm
Weight and Dimensions IconWeight and Dimensions
Depth452 mm
Width177 mm
Height447 mm
Weight11800 g

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