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CHAPTER2.GENERAL
INFORMATION
1. General information
PC-4700 series are compact and lightweight laptop computers. They
pack the power and sophistication of desk-top models into the laptop
size.
In order to attain the high performance, this computer accommodates
large and high contrast paper white LCD with the CCFT backlight,
3-1/2" floppy disk drive, 3-1/2" hard disk drive, and well-packed 79-
key full keyboard. The display provides clear text and graphics in 640
by 400 dots especially by supporting 4-shades of gray (tiling) and 8 x
16 dots (character box) characters.
Further, PC-4741 or PC-4721 incorporates a 40MB or 20MB hard
disk drive in its unit and accomplish battery operation. The full-siza
step keyboard provides 79 keys, enhancing the ease of use with
separate function and cursor keys.
The main unit includes iB0188 compatible CPU running at 10MHz,
socket for coprocessor, 640KB RAM standard expandable to 1.6MB,
a serial interface, a parallel printer interface, an external FDD inter-
face. The internal options include modem card with a serial interface
(for US/Canada only), color/monochrome CRT adaptor, and t MB
EMS memory card. The external expansions include 5-1/4" 360KB
floppy disk drive unit.
The newly revised original BIOS assures the execution of numerous
applications with the combination of MS-DOS 3.3 operating system.
PC-4700 series consists of the following 3 models:
~PC-4702:
640KB RAM; two 3-1/2" t .44MB FDDs; display w/ back-
light; 79-key keyboard; serial interface; parallel interface;
external
5-t/4"
FDD
(360KB)
interface;
MS-DOS
3.30/GW-BASIC 3.22
~PC-4721:
640KB RAM; a 3-1/2" 1.44MB FDD; a 20MB HDD; dis-
play
wI
backlight; 79-key keyboard; serial interface; paral-
lel interface; external
5-1/4"
FDD (360KB) interface; MS-
DOS 3.30/GW-BASIC 3.22
~PC-4741:
640KB RAM; a 3-1/2" 1.44MB FDD; a 40MB HDD; dis-
play
wI
backlight; 79-key keyboard; serial interface; paral-
lel interface; external 5-1/4" FDD (360KB) interface; MS-
DOS 3.30/GW-BASIC 3.22
-
P C-4741
-3-
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