Epson 386SX Personal Computer User Manual


 
Interfaces
Serial
Parallel
Auxiliary
Option slots
Speaker
Clock/calendar
RAM
Power Supply
RS-232C, programmable, asynchronous;
DB-9P male connector
Standard 8-bit parallel; DB-25S female
connector
Mini DIN (6-pin) connector for IRQ 12
mouse or other device
Five standard input/output expansion slots
(one with 8-bit bus and four with 16-bit
bus); one special slot occupied by a serial/
parallel interface card
Internal
Real-time clock, calendar, and 64-byte
CMOS RAM for configuration; battery
backup
Switching type, fan-cooled, 115/230 VAC
(switch-selectable), 140 W; +5 VDC,
+ 12
VDC, -5VDC,
-12 VDC;
50/60
Hz
Mass Storage
Three half-height drives maximum
Standard
Optional
3
‘/z-inch
diskette drive, 1.44MB (high-
density) storage capacity
3
‘/z-inch
diskette drive, 720KB (double-
density) storage capacity
F-2 Specifications