HP xw6000 Guia do Utilizador descarregar pdf (Página 4)

13. Reassemble the workstation and restore power.

NOTE: A manual Hardware Abstraction Layer (HAL) upgrade is necessary when installing a second

processor after the system has gone through the software unbundling process. If a second processor is

installed prior to unbundling, a manual upgrade is not necessary. HP recommends that the software

unbundling process be completed prior to installing additional components. For information about

upgrading to a multiprocessor HAL, refer to the documentation included in your processor upgrade kit.

DIMM Installation Guidelines

IMPORTANT: This section replaces both the “DIMM Installation Guidelines” and the “DIMM

Installation Configurations” sections of the existing Hardware Reference Guide.

WARNING: To reduce the risk of personal injury from hot surfaces, allow the internal system

components to cool before touching.

WARNING: To reduce the risk of personal injury when replacing or removing DIMMs, allow the

module being removed from the DIMM socket sufficient time to cool. DIMM temperatures can reach

212° F (100° C).

CAUTION: When handling a memory module, do not touch any of the contacts. Doing so may damage

the module.

CAUTION: Static electricity can damage the electronic components of the workstation or option boards.

Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching

a grounded metal object.

When adding, upgrading, or replacing PC2100 DDR SDRAM memory modules in the hp workstation

xw6000, care must be taken to avoid incorrect pairing of modules in the same channel. This system does

not support mixed DIMM pairing on the same channel.

NOTE: See the “System Board Components” section at the beginning of this document (if your system

board part number is 339100-xxx) or in the the Hardware Reference Guide for the location of the DIMM

sockets.

■ For proper system operation, if your system supports DDR-SDRAM DIMMs, the DIMMs must be

industry-standard 184-pin, Registered ECC PC 2100 266 MHz-compliant, 2.5 volt DDR-SDRAM

DIMMs. The DDR-SDRAM DIMMs must support CAS Latency 2 or 2.5 (CL = 2 or CL = 2.5). They

must also contain the mandatory Joint Electronic Device Engineering Council (JEDEC) Serial

Presence Detect (SPD) information.

■ DIMMs should be installed in pairs.

■ Do not mix DIMMs of different memory speeds. Performance will reflect the speed of the slowest

DIMM.

■ Each DIMM within a pair should be identical in size. For example, a 256MB DIMM must be paired

with a similar 256MB DIMM.

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