Ah, remember the days?

Remember the days of squeezing TSRs into high memory?

If you want to access that 3GB of XMS, you'll have to page it in and out in 64K chunks.

On a freshly delivered HP Compaq system, without Windows. Clearly they couldn't ship it with no OS loaded at all, because that would be admitting that the person receiving it was pirating (or so the logic goes). So, they pre-loaded FreeDOS on it.