From the "Migrating from the Intel SA-110 to Intel 80200 Processor"
Application Note:

The SA-110 supports 26-bit mode, the Intel 80200 processor does not.

I assume we are using 32-bit mode, right? :)
--
Matt Thomas               Internet:   matt@3am-software.com
3am Software Foundry      WWW URL:    http://www.3am-software.com/bio/matt/
Cupertino, CA             Disclaimer: I avow all knowledge of this message