From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Wed, 20 Sep 1995 06:19:54 -0400
From: Dave Edmondson davided@sco.COM
Subject: Multi-Tech ISI card
Topicbox-Message-UUID: 25884334-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19950920101954.aQocMZ4tYLBZAlSrJu1ttoczLszPY3RxT02xDGKKlkc@z>

this sounds like the hayes esp cards, which can emulate 16550, but also have
a mode which enables a 1k fifo (1k for each of the two ports).  i have some
information on the cards if anyone is interested.  if memory serves (the
documentation is at home) the cards can also do dma.