
Assigning RAM to the PC environment
The PC environment needs memory to operate. You can provide memory with a SIMM (Single Inline Memory Module) installed on the DOS- compatibility card in your computer, or by assigning RAM to the PC environment from your Macintosh. If a memory module is installed on the
Memory installed on the
If no memory module is installed, you need to assign RAM to the PC.
1Choose a memory size from the RAM
If you’re installing DOS only, choose a minimum of 2 MB. If you intend to install Windows, choose a minimum of 4 MB.
Note: Windows performance will improve if you allocate more memory to the PC environment. However, RAM assigned to the PC environment is not available in the Mac OS until you turn off the PC environment in the PC Setup control panel and restart the computer.
2Restart the Macintosh.
IMPORTANT If the RAM size is set to 2 MB, modify the CONFIG.SYS file in DOS as follows:
DEVICE=C:\DOS\HIMEM.SYS /TESTMEM:OFF
Troubleshooting in the PC Environment | 115 |