Epson EL 3S/33 - Manual (Page 101)

Tested Operating Environments
Although your system will run most software applications,
the following operating environments have been tested for
compatibility with your system. As new environments become
available, these also will be tested.
MS-DOS 3.3 through 6.0
DR DOS 6.0
Novell NetWare 4.0
Novell NetWare 3.11*
Novell NetWare 2.2*
Novell-ELS NetWare level II 2.12*
Novell NetWare 386 3.1*
OS/22.1
OS/2 Extended Version 1.1/l.2
SCO Unix 3.2 V 4.0n
SCO Xenix V 1.1.2/2.3.3
SCO Open Desktop 2.0
SCO Open Desktop V
Windows 3.1
Windows 3.0
* File server and workstation.
A-6 Specifications