Apple Macintosh System 7.5 - Manual (Page 14)

Step 2: Check your computer’s built-in memory and processor requirements
System 7.5 requires that your computer have at least 4 MB of RAM on a 68K
computer or 8 MB of RAM on a PowerPC computer. If your computer has
more memory, you can install QuickDraw GX, PowerTalk, and OpenDoc.
To find out how much memory your computer has, follow the instructions
below.
1 Open the Apple (
K
) menu and choose About This Macintosh.
2 Look at the number next to “Total Memory.”
3 To decide what to install, follow the guidelines in the table below.
If memory equals You can install
At least 8,192K on a 68K computer System 7.5 with QuickDraw GX, PowerTalk
(16,384K on a PowerPC computer) and OpenDoc
At least 4,096K (8,192K on a PowerPC computer) System 7.5 only (You can install QuickDraw GX,
PowerTalk, and OpenDoc only after purchasing
more memory.)
You should also check your computer’s processor type to make sure it
supports specific features. If you are not sure what type processor is in your
computer, check the technical specifications that came with your computer.
The table below gives guidelines for processor requirements:
If your computer’s processor is… You can install
At least a 68000 processor System 7.5
At least an 68020 processor System 7.5 with QuickDraw GX and PowerTalk
At least an 68030 or a PowerPC processor System 7.5 with QuickDraw GX, PowerTalk, and
OpenDoc
Note that some features in System 7.5 may only be available on specific
computer models. See Chapter 6 (“What’s New”) for requirements of specific
features.
6 Chapter 1