Epson NB3s 사용자 설명서
EPSON NB3s
battery charging indicator
contrast control ,
LCD screen
brightness control
RAM card cover
ard disk drive
external keypad connector
diskette drive
status
indicator
bar
I
Computer Specifications
Main Unit
CPU
386SX microprocessor; 8 MHz or 16 MHz clock speed, selectable
through SETUP or software command
through SETUP or software command
Main
memory
1MB (640KB
conventional;
the remaining 384KB can be used as
either shadow RAM or extended memory, selectable through
SETUP)
SETUP)
Math coprocessor
Socket for optional 16-MHz, 387SX coprocessor
Clock/calendar
Real-time clock and calendar with battery backup
Real-time clock and calendar with battery backup
Interfaces
Parallel / External diskette drive
25-pin, D-type, female connector; standard B-bit parallel or external
25-pin, D-type, female connector; standard B-bit parallel or external
diskette drive support, selectable through SETUP
Serial
RS-232C, programmable, asynchronous, 9-pin, D-type male
RS-232C, programmable, asynchronous, 9-pin, D-type male
connector
Video
15-pin, female connector; supports
VGA
monitor
mini-DIN connector for
external numeric keypad
Speaker
Internal
Internal
Memory
Internal RAM card slot: allows expansion to 2MB or 5MB
Modem
lnternal slot for optional modem
lnternal slot for optional modem
parallel/external diskette drive port
external monitor port
Notebook Computers
11/30/90
NB3s-1