Advantech PCM-5864L Bedienungsanleitung PDF herunterladen (Seite 28)

16 PCM-5864/E/L User's Manual

2.6 CPU installation and upgrading

You can upgrade to a higher power Pentium

processor at any

time. Simply remove the old CPU, install the new one, and set the

jumpers for the new CPU type and speed.

Warning! Always disconnect the power cord from your

chassis when you are working on it. Do not make

connections while the power is on, as sensitive

electronic components can be damaged by the

sudden rush of power. Only experienced

electronics personnel should open the PC chassis.

Caution! Always ground yourself to remove any static

charge before touching the PC board. Modern

electronic devices are very sensitive to static

electric charges. Use a grounding wrist strap at

all times. Place all electronic components on a

static-dissipative surface or in a static-shielded

bag when they are not in the chassis.

2.6.1 Installing a CPU in the PGA type socket

1. If you are upgrading the CPU, remove the old CPU from the

socket. If it is difficult to remove, you may find chip lubricant

(designed for pin-grid-array devices, PGAs) and a chip puller

helpful. Both are available at electronics hobby supply stores.

2. Plug the new CPU into the empty socket. Follow the

instructions that came with the CPU or math coprocessor. If

you have no instructions, do the following: Lubricate the CPU

pins with lubricant made for PGA devices. This will make the

new CPU slide in much more easily, and reduce the chance of

damaging it. Next, carefully align the CPU so that it is parallel

to the socket and the notch on the corner of the CPU

corresponds with the notch on the inside of the socket. Gently

slide the CPU in. There will probably be a gap between the

CPU and the connector when it is fully seated - do not push too

hard!

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Advantech PCM-5864L Bedienungsanleitung Seite 28