PowerBook G3 Pismo Processor ReplacementWritten By: iRobot

PowerBook G3 Pismo Processor Replacement

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INTRODUCTION

This processor is not soldered to the logic board, and installing a replacement is very easy. Thereare processor upgrades that enable you to turn your Pismo into a G4.

TOOLS:Anti-Static Wrist Strap (1)

Phillips #0 Screwdriver (1)

Spudger (1)

T8 Torx Screwdriver (1)

PARTS:G3 Pismo 400 MHz Processor (1)

G3 Pismo 500 MHz Processor (1)

PowerBook G3 Pismo Processor Replacement

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Step 1 — Keyboard

Turn the keyboard locking screw sothat it is parallel to the space bar.

Pull the keyboard release tabstoward you and lift up on thekeyboard until it pops free.

Lift the keyboard out by pulling it upand away from you. Rest thekeyboard, face down, on top of thetrack pad.

Step 2

Pull the keyboard ribbon straight upfrom the logic board. Place thekeyboard aside.

The connector may be tight. Gentlyrock the connector from side to sidewhile pulling directly upward to freeit. You can use this technique onmany of the cards and cables you'llbe disconnecting.

Make sure you have removed thelaptop battery and CD/DVD modulesfrom the expansion bays beforeproceeding.

PowerBook G3 Pismo Processor Replacement

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Step 3

Your laptop should lookapproximately like this.

Step 4 — Heat Shield

Remove the two silver Phillips #1screws that attach the heat shield tothe internal metal framework.

Lift the heat shield up and pull ittoward you.

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Step 5

Your laptop should lookapproximately like this.

Step 6 — Airport Card

Skip this step if your computer doesnot have an Airport card installed.

Firmly grasp the plastic tab attachedto the Airport card and pull up andthen to the right.

The Airport card is still attached tothe antenna cable, so don't just yankit out of the slot.

PowerBook G3 Pismo Processor Replacement

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Step 7

Disconnect the antenna cable fromthe Airport card.

Step 8 — PRAM Battery

Pull the battery cable directly upfrom the logic board.

Remove the battery from its holderby pulling up and to the left.

PowerBook G3 Pismo Processor Replacement

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Step 9

Your laptop should lookapproximately like this.

Step 10 — Heat Sink

Remove the long silver Phillips #1screw from the heat sink.

Remove the two T8 Torx screws thatattach the heat sink to theprocessor.

PowerBook G3 Pismo Processor Replacement

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Step 11

Lift the heat sink up from the leftside and pull it out.

If you need to mount the heat sinkback into the laptop, we have athermal paste guide that makesreplacing the thermal compoundeasy.

Step 12 — Processor

Grasp the plastic tab on theprocessor's right side and pull itdirectly up.

Some processors may be missingthe plastic pull tab. In this case, wesuggest using a non-metal tool togently pry up the processor. Slip thetool's thin edge under the front rightcorner of the processor and carefullypry it up.

PowerBook G3 Pismo Processor Replacement

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To reassemble your device, follow these instructions in reverse order.

This document was last generated on 2017-06-17 02:54:04 PM.

Step 13

Your laptop should lookapproximately like this.

PowerBook G3 Pismo Processor Replacement

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