Apple PC Compatibility Card 7-inch card User Manual download pdf (Page 98)

Setting up your DOS configuration files

You may need to modify your DOS CONFIG.SYS file to work efficiently with

your PC Compatibility Card. Follow these guidelines:

Editing the CONFIG.SYS file

Your CONFIG.SYS should include the following statements:

DOS=HIGH,UMB

DEVICE=C:\DOS\HIMEM.SYS /TESTMEM:OFF

DEVICE=C:\DOS\EMM386.EXE NOEMS

The first line loads DOS into high memory.

If you’re using the DOS utility EMM386 and you don’t require expanded

memory, use the EMM386 line shown above. If you are using EMM386 and

you do require expanded memory, include the following line instead:

DEVICE=C:\DOS\EMM386.EXE

For more information on making the best use of memory, see the

information on memory management in the documentation for DOS or for

your memory manager.

Setting the number of drive letters

You can share folders and volumes with the PC by assigning them to PC drive

letters. When you install your PC software, the statement

LASTDRIVE=M is

included in the CONFIG.SYS file. This allows you to view up to nine folders

or volumes at once.

To specify the number of drive letters, change your CONFIG.SYS file to

include the following statement:

LASTDRIVE=x

where x is a letter between F and Z. (The PC reserves drive letters A

through E.)

Each drive letter uses 100 bytes of PC memory.

Chapter 5

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Apple PC Compatibility Card 7-inch card User Manual Page 98