Memory allocated in the PC Setup Control Panel is shared in the following increments: 2, 4, 8, 16, 32, and 64 MB. The PC Setup control panel allows you to choose any one of these settings with the following constraints:
- The DOS Compatibility Card can only share up to half of the Macintosh logic board's RAM.
- Based on the one half constraint and the amount of RAM available, the PC Setup offers the next lowest increment.
- Memory sharing only works if no SIMM is installed on the DOS Compatibility Card .
Examples
RAM Installed on PC Setup control Panel
Macintosh Logic Board Offers
--------------------- ----------------------
8 MB 2 and 4 MB
16 MB 2, 4, and 8 MB
24 MB 2, 4, and 8 MB
40 MB 2, 4, 8, and 16 MB*
Note: one half of 40 MB is 20 MB and the next lowest increment is 16 MB.