Installing iMac G3 Model M4984 Video Ram

User-Contributed Guide

User-Contributed Guide

This guide is not managed by iFixit staff.

  • Author: Chris Green
  • Time required: 10 - 15 Minutes
  • Difficulty: Easy
  • Add Note x

The iMac G3 had onboard video which usually means no upgrade-ability. The iMac developers found a way to allow video upgrade-ability (sort of); they built 2MB on to the logic board to power the ATI 3D Rage Pro Turbo PCI, and added a video ram DIMM slot on the motherboard allowing users to upgrade their video ram using proprietary Apple DIMMs.

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Tools
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Add Note Edit Step 1 — Logic Board  ¶ 

  • The iMac G3. This was a great computer for the time, and had plenty of features.

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Add Note Edit Step 2  ¶ 

  • Start by flipping the iMac upside-down. It may help to lay it on a towel, so you don't damage the screen, or scratch the face.

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Add Note Edit Step 3  ¶ 

  • Remove this Phillips screw.

  • Using a flathead screwdriver, work your way around the bottom cover, until it comes off.

  • Then, lift the bottom cover up and out, and set it aside.

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