Chapter 9

Specifications

This chapter provides information of interest to technically- sophisticated users. If you are just learning about computers, ignore this chapter. Turn instead to the Epson HX-20 BASIC Tutorial and Reference Manual, and learn how to program your HX-20. For detailed specifications, see the Epson HX-20 Technical Reference Manual. All specifications are subject to change without notice.

Architecture

The HX-20 has two microprocessors for distributed and concurrent I/O processing. The microprocessors (both 630l’s) communicate with each other through their serial communications ports.

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