5 Things to Know About PowerBook G3 Wall Street RAM

  1. Two SO-DIMM slots The PowerBook G3 Wall Street has two RAM slots that accept PC66 or PC100 modules.

  2. Official maximum is 192MB Apple officially supports up to 192MB total, using a 128MB and a 64MB module.

  3. Third-party modules can push to 384MB Some 256MB modules reportedly work, bringing the total to 384MB, though this is unsupported.

  4. Late-90s Apple allowed easy upgrades Unlike modern laptops, Apple made the RAM accessible for user tinkering.

  5. Stick with PC100 for best compatibility PC100 modules are backward-compatible with PC66 and more widely available today.

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