Using Expanded Memory Beyond 64OKB

The Equity 386/25 PLUS comes with 2MB of random access memory. MS-DOS and your application programs that run under MS-DOS use the first 640KB of memory. You can use the unused memory above 640KB as extended memory, or you can use it as expanded memory, as described below.

Expanded memory can be used by application programs (such as Lotus® l-2-3®) that support the Lotus/Intel/Microsoft Expanded Memory Specification (LIM 4.0 EMS). To take advantage of expanded memory, you need to use a memory manager to convert the computer’s extended memory to expanded memory.

If you selected a memory management software package when you bought your Equity 386/25 PLUS, you can use the memory manager with either version of MS-DOS. Just follow the instructions included with the package.

If you are using version 4.01 of MS-DOS and you did not get a memory manager, you can use the MS-DOS program EMM386.SYS to convert your extended memory to expanded memory. See your MS-DOS Reference Manual for instructions on using EMM386.SYS.

If you are using version 3.3 of MS-DOS and you did not get a memory manager with your system, ask your authorized Epson dealer which expanded memory manager program you should use.

4-12 Enhancing System Operations