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HP Z840 Workstation Series Service Manual

HP Z840 Workstation Series
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CAUTION: Static electricity can damage the electronic components of the computer. To prevent damage to
the computer, observe the following Electrostatic Discharge (ESD) precautions while servicing the computer:
— Discharge static electricity by briefly touching a grounded metal object before you begin.
— Work on a static-free mat.
— Wear a static strap to ensure that any accumulated electrostatic charge is discharged from your body to
the ground.
— Create a common ground for the equipment you are working on by connecting the static-free mat, static
strap, and peripheral units to that piece of equipment.
NOTE: HP accessories are for use in HP products. They have been extensively tested for reliability and are
manufactured to high quality standards.
Service considerations
Tools and software requirements
The tools necessary for computer component removal and installation are:
Torx T-15 driver
Flat blade and cross-tip screwdrivers
Diagnostics software
Electrostatic discharge (ESD) information
Generating static Different activities generate different amounts of static electricity through electrostatic discharge (ESD).
Static electricity increases as humidity decreases.
CAUTION: Static electricity in the amount of 700 volts might degrade a product.
Event
Relative humidity
55% 40% 10%
Walking across carpet
Walking across vinyl floor
Motions of bench worker
7,500V
3,000V
400V
15,000V
5,000V
800V
35,000V
12,000V
6,000V
Removing bubble pack from PCB
Packing PCBs in foam-lined box
7,000V
5,000V
20,000V
11,000V
26,500V
21,000V
Preventing ESD
equipment damage
Many electronic components are sensitive to ESD. Circuitry design and structure determine the degree of
sensitivity. The following packaging and grounding precautions are necessary to prevent damage to
electric components and accessories:
Transport products in static-safe containers such as tubes, bags, or boxes, to avoid hand contact.
Protect electrostatic parts and assemblies with nonconductive or approved containers or
packaging.
Keep electrostatic-sensitive parts in their containers until they arrive at static-free stations.
Place items on a grounded surface before removing them from containers.
When handling or touching a sensitive component or assembly, ground yourself by touching the
chassis.
46 Chapter 3 Component replacement information and guidelines

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HP Z840 Workstation Series Specifications

General IconGeneral
ChipsetIntel C612
Memory Slots16 DIMM slots
ProcessorIntel Xeon E5-2600 v3/v4 series
StorageSupports SATA, SAS, and SSD
GraphicsNVIDIA Quadro and AMD FirePro options
Expansion Slots7 PCIe slots
Power Supply1125W 90% efficient
Operating SystemWindows 10 Pro 64, Red Hat Enterprise Linux, SUSE Linux Enterprise Desktop
PortsUSB 3.0, USB 2.0

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