【Oki Electric Industry】 if800RX, EX

The if800RX Series, announced in 1986 as higher-end models of the if800 Series, had enhanced communication capabilities. They employed a multimedia card (multiple combined modem) which integrated 3 types of modem onto a single board. These machines were distinguished by their personal computer communication capability, and their ability to connect to CAPTAIN systems and other networks.

Furthermore, the BIG integrated software package was standard. BIG integrated software was state-of-the-art and based on a new concept -- it attempted to achieve data integration and operation integration by placing word processing software, spreadsheet software and graphics software (which, at the time, were provided separately) at the center as a relational database.

In July 1988 the if800EX Series of personal computers was announced. These featured a 1 megabyte main memory unit, and greater speed and capacity due to adoption of the 80386. These machines were 32-bit personal computers equipped with a VM Monitor (Virtual Machine Monitor) to enable multitasking, where up to 3 application programs could be simultaneously executed under M(Byo)-DOS.

if800RX, EX Model Specifications
  if800RX,
Model 110F,
110H
if800RX,
Model 120F,
120H
if800EX,
Model 110F,
110H
if800EX,
Model 120F,
120H
Announcement date May 1986 July 1988
CPU 80286 (16bit,8MHz) 80386 (32 bit,16MHz)
OS MS-DOS MS-DOS (with Japan's first VM for multitasking)
Memory ROM16KB RAM1-2MB (Max.) ROM32KB RAM4-20MB (Max.)
Display 720x512
(Color/
Monochrome)
1148x754
(Color/
Monochrome)
720x512
(Color/
Monochrome)
1148x754
(Color/
Monochrome)
Chinese character (kanji) display 15x16dot Chinese character (kanji) display 24x24dot Chinese
character
(kanji) display 15x16dot
Chinese
character
(kanji) display 24x24dot
Built-in flexible disk 5-inch FDD (1MB)x2 5-inch FDD (1MB)x2
Hard disk 5-inch HDD (20MB)x1 3.5-inch HDD (40MB)x1
Interface RS232C standard, Centronix standard
Expansion slots RS232C, Centronix, high-speed Centronix, IEEE488, AD/DA converter, SDLC card, universal card, 2400bps communication card, multimedia card (compatible with CAPTAIN, JUST-PC etc.) etc. RS232C, Centronix, high-speed Centronix, IEEE488, AD/DA converter, SDLC card, universal card, 2400bps communication card, multimedia card (compatible with CAPTAIN, JUST-PC etc.) etc.
Features Super View for multi windows
Multimedia card for enhanced communications
MS-DOS pseudo real-time and multi processing
Equipped with BIG integrated software
Equipped with 32-bit version of BIG integrated software

Remark: Models with the "F" suffix were equipped with built-in flexible disk drives, and models with the "H" suffix were equipped with a built-in flexible disk drive and a hard disk drive.


 
if800RX Model 110if800EX Model 110