Re: Rampage Plus 286 EMS boards programming info.

Paul Gortmaker (
Thu, 21 May 1998 00:48:19 +1000 (EST)

> memory. Furthermore using the boards for actual memory may be impossible.
> EMS was accessed thru a 64K page frame that contained 4 16K pages at one
> time. This means that if the card is an EMS card it will probably be
> inaccessable linearly. You will have to access it thru 16K pages, only 4 of
> which will be present in the EMS page frame at any one time.

In which case you use a hacked up ramdisk driver that includes the EMS page
selection code (whatever that may entail) and then use the resulting block
device as a swap device with a higher priority than your disk swap. (You
probably want to do the ramdisk-swap thing regardless of whether it is EMS
or XMS, since the RAM on the ISA bus will be considerably slower than RAM
on the motherboard.)


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