Epson 3865X Plus - Manual (Page 305)

Appendix F
Specifications
CPU and Memory
16-bit CPU
System memory
ROM
Scratch memory
Math coprocessor
Clock/calendar
80386SX microprocessor, 16 MHz system
clock speed, 16 MHz or simulated 8 MHz
processor speed, selectable through
software
0 wait state memory access speed
1MB or 2MB RAM standard; expandable
using 256KB or 1MB SIMMs up to 10MB;
SIMMs must be 70ns access speed
Memory expandable to 16MB if memory
option card is used
128KB
4KB capacity; 16-bit data bus; 16 MHz
access with 0 wait state
80387SX (16 MHz) support
(optional)
Real-time clock, calendar, and SO-byte
CMOS RAM for configuration; battery
backup