Changes to Step #12
Edit by Sam Goldheart —
Edit approved by Sam Goldheart
- Before
- After
- Unchanged
Step Lines
| [* black] Notable ICs on the Mac 128K logic board: | |
| [* red] Motorola [link|http://www.cpu-world.com/CPUs/68000/Motorola-MC68000G8.html|MC68000G8|new_window=true] Microprocessor | |
| [* orange] Fairchild Semiconductor 74LS393 Video Counter | |
| [* yellow] Micron 4264 64 kb RAM (64 kb x 16 chips = 1024 kb, or 128 KB) | |
| - | [* icon_note] The namesake for the 128K was this non-upgradable array of RAM. Anticipating that customers would want more power, Apple engineers [http://d3nevzfk7ii3be.cloudfront.net/igi/1dWiwkVUqHLnpNtL|secretly designed|new_window=true] the logic board to facilitate manufacturing a 512 KB version, which was released only |
| + | [* icon_note] The namesake for the 128K was this non-upgradable array of RAM. Anticipating that customers would want more power, Apple engineers [http://d3nevzfk7ii3be.cloudfront.net/igi/1dWiwkVUqHLnpNtL|secretly designed|new_window=true] the logic board to facilitate manufacturing a 512 KB version, which was released only nine months later. |
| [* green] Simtek C19728 and C19729 32 KB ROM (32 KB x 2 ICs = 64 KB) | |
| [* blue] Simtek 344-0041-A "[http://www.brutaldeluxe.fr/documentation/iwm/apple2_IWM_Spec_Rev19_1982.pdf|Integrated Woz Machine|new_window=true]" Disk Controller | |
| [* violet] Zilog Z8530PS [http://en.wikipedia.org/wiki/Zilog_SCC|Serial Communications Controller|new_window=true] |