Ems Expanded Memory; Extended Memory - Toshiba T2200SX User Manual

2.3.3 EMS Expanded Memory

The T2200SX does not support Expanded Memory at the hardware level. By using the 80386SX
CPU function, which is the virtual 86 mode and paging system, the T2200SX can support Expanded
Memory at the software level. The following software supports the T2200SX Expanded Memory:
EMM386
WINDOWS 386
QEMM386...
etc.

2.3.4 Extended Memory

The Extended Memory DRAM start address (base address) is assigned beyond the conventional
memory size and Hard RAM size. Using a special register, extended memory is set in 64KB incre-
ments, except for the conventional memory and Hard RAM which are used for extended memory.
2.3.5 Hard RAM
Hard RAM is accessed through the 32KB Hard RAM window. Hard RAM is assigned from address
'0E0000' to '0E7FFF.' Hard RAM can be selected from 128KB to a maximum of 8192KB in
64KB increments using the T2200SX Setup Program. The Hard RAM size is controlled by a special
register.
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