Appendix a-specifications, Cpu and memory, Specifications – Epson EQUITY 386SX/16 PLUS User Manual
Page 129: Appendix a
Appendix A
Specifications
CPU and Memory
16-bit CPU
System memory
ROM
Shadow RAM
Math coprocessor
(optional)
Clock/calendar
Battery
80386SX microprocessor, 16 MHz system
clock speed, 16 MHz or 8 MHz processor
speed; user selectable
0 wait state memory access speed at
16 MHz
2MB RAM standard; expandable using
256KB, 1MB, or 4MB SIMMs up to 24MB
(the first 16MB can be extended or
expanded memory; above 16MB can be
only expanded memory); SIMM access
speed must be 80ns or faster
128KB (includes system BIOS and VGA
BIOS)
0 wait state access speed; system ROM
BIOS and video ROM can be copied into
RAM through SETUP
80387SX, 16 MHz support
Real-time clock, calendar, and CMOS
RAM for configuration; battery backup
Replaceable, 3.6V lithium battery;
3-5 year life
Specifications A-l