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O > OKI  > IF 800   


OKI
IF 800

This computer had an integrated dot printer which can print on 40 to 132 columns at 120 cps, a 12" color graphic monitor and a dual 5" disc drives. A lot of cards were designed to be placed into the three expansion slots: an 8" disk controler, centronics interface, IEEE488 port, ADC/DAC card or ram expansion (64 or 128 KB).

A bit of trivia: the video card has its own Z80 CPU.

Apparently this computer was marketed by BMC outside Japan.

Alexander Velin says :
There is OKI if 800 model 50, which is based on 8086, has 256 KB ram, spare keyboard, one 8" 560 KB floppy, 7 MB HDD. Mine has a MS DOS 1.15 on it...

More technical information from Bruce Grant:
I serviced IF-800's in the early 1980's.
The printer was a 7 pin matrix mechanically related to the Oki Microline 82 but largely software driven. It was a frightful device.
Both colour and monochrome screens were offered, and were excellent. The colour monitor had, as I recall, three seperate banks of 16K of RAM, one for each of the primary colours, providing an early form of 24-bit colour. Power for the main unit was provided through the monitor. Two people were needed to safely carry the colour monitor.
The floppy disks were made by YE-Data and offered good capacity for the time - in the order of 500KB. They were of the solenoid head loading type and were ponderously slow but generally quite reliable.
CP/M 2.2 and a standalone version of MS-Basic were supplied. Each system used its own disk format. Sadly, these were not interchangeable. Bitmapped graphics were implemented through the MS-Basic system only, as were the bezel-mounted screen "hotkeys".
The IF-800 was crippled commercially by appearing on the market at the same time as the IBM PC-XT, which cost slightly less as I recall.
They were distributed in Canada by Canada Computer of Markham, Ontario.


We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.

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I was involved in a project to implement TurbDos on these machines. Yes it did have three blocks of video ram, but it was still one bit per bank, per pixel so you still only have 8 colours. The graphics library supplied supported dithering to create a greater colour palette.

          
Sunday 25th March 2012
Karl Leaning (Auckland New Zealand)

When I was with Patfinder computers these were introduced and used for training at Comptrain

          
Friday 4th November 2016
Aleem (Pakistan)

Wow, that is a flashback

I bought 4 of these for the Architecture Faculty of Newcastle University , must be early 1980''s to teach Arch students, Visicalc, Wordperfect $i think$ and basic graphics. I saw them in Japan and when invited to establish a computer studies course asked them to acquire these as they had basic graphics capability and were self contained.

Then told the maths department we no longer needed their IBM360 and punchcards :)

          
Saturday 2nd April 2016
Gary Sharp (Vietnam)

 

NAME  IF 800
MANUFACTURER  OKI
TYPE  Professional Computer
ORIGIN  Japan
YEAR  1982
BUILT IN LANGUAGE  None
KEYBOARD  Full-stroke keyboard with separated numeric keypad
CPU  Zilog Z80 A
SPEED  5 mHz
RAM  64 KB / 128 KB / 256 KB
VRAM  192 KB (3 blocks of 64 KB)
ROM  Unknown
TEXT MODES  20 x 25 / 24 x 80
GRAPHIC MODES  640 x 400 / 640 x 200
COLORS  8. Also available in monochrome version (8 shades)
SOUND  1 voice - 5 octaves
SIZE / WEIGHT  Unknown
I/O PORTS  RS232c, light pen, ROM cartridge (20 KB), Tape, 4 x I/O Slots, 3 x accessory slots
BUILT IN MEDIA  Two 360 KB - 5.25'' FDD. Optional 16 MB H.D. and 6.3 MB removable cartridge
OS  CP/M
POWER SUPPLY  Built-in PSU
PRICE  $4995


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