Epson 1500 - Manual (Page 118)

The twinax interface is compatible with the following IBM
systems: AS-400, System 36,525l (model 12), System 34,
System 38, and 5294. When equipped with the Epson twinax
interface, an ActionLaser can be used in place of the following
IBM system printers: 4210,5224 (model 1 and 2), 5256 (model 1,
2, and 3), 3218 (non IPDS), 4214 (model 2), 5225 (model 1,2,3,
and 4), and 5219 D0l, D02.
The coax interface allows the ActionLasers to be connected to
the following IBM control units and mainframe systems: 3174,
3276, 4274, and 3270
®
.
Memory chips sets
0.5MB memory chip set (C82904*)
2.0MB memory chip set (C82905*)
You can increase your printer’s current memory by adding
memory chip sets to your printer’s controller board. Each set of
RAM chips increases the printer memory by increments of
0.5MB or 2.0MB. For the ActionLaser 1000, you may install up
to 6.0MB of additional memory. For the ActionLaser 1500, you
may install up to 4.0MB of additional memory.
5-4 options