HP 3000 Series Посібник з оновлення - Сторінка 6

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CPU Upgrade

The Central Processing Unit (CPU) upgrade for the HP 3000 and HP 9000 system is accomplished by

adding CPU cards to the existing CPU card slots within the computer cabinet. The number of CPUs

supported on each system model is as follows:.

Models

CPUs Supported

NOTE

CPUs for HP 9000/K100 models are an integral part of the system board. There is

no CPU upgrade for these models.

929KS/020, 939KS, and 939KS/020 models support a single processor only.

Electrostatic Discharge

CPU cards and computer systems contain assemblies and components that are sensitive to electrostatic

discharge (ESD). Carefully observe the precautions listed in this section and use the ESD wrist strap,

ESD sheet, and ESD foam pad provided in the ESD kit (part number A3024-80004).

The following precautions can significantly reduce the risk of system failure or component damage due

to ESD.

• Always wear an anti-static wrist strap when working around a system or handling the CPU card.

• Treat all assemblies, components, cards, and connections as sensitive.

• When unpacking cards or components to the system, keep the item in it's conductive bag until it is

ready to be installed.

• Keep body movement to a minimum, this generates static electricity that causes ESD.

• Avoid working in carpeted areas.

• Try to select a work area where potential static sources are minimized.

Anti-Static Wrist Strap

The anti-static wrist strap is a bracelet-like strap that goes around either wrist. The other end of the strap

connects to a convenient metal surface on the computer cabinet.

HP3000/

9x9KS

HP9000/

(except

989KS

989KS)

1 to 4

1 to 6

HP9000/

K2x0

K360/K4x0

K370/380

1 to 4

CPU Upgrade

Electrostatic Discharge

HP9000/

K570/580

1 to 6