We hate 2020!

Just when we thought 2020 couldn't get any worse! We were about to re-open after many months of being closed but then disaster struck when a mains water pipe burst and flooded much of the ground floor of the museum.
Sadly re-opening has now been postponed. Read More >>>

Please Donate Via Just GivingNo visitors, no workshops, no events, no school visits... no income. We know that things are tough for everyone right now, but if you can afford to help us through these tough times please donate what you can.

There's over 36,000 exhibits here! That should keep you occupied for a bit - get searching!

Or come and get involved on our social media channels ...

      Twitch  Facebook          Online Gift Shop      

Thank you.

Kokusai KDS 7861

Kokusai KDS 7861 Small Business Computer
 
The system uses the Intel 16 bit 8086 microprocessor at 4.608 MHz and supports 20 bit of addressing (1 megabytes of storage). The system provides high performance devices including four channels of 20 bit Direct Memory Access (DMA, three 16 bit timer counter channels and 16 levels of interrupts. The system supports both ROM (8 KB) and RAM (128 KB) Read/Write memory and contains space for 8 kilobytes EPROM.
 
The monitor provides  the high resolution display and has a 12 inch screen in high persistance green phosphor. 25 lines of 80 characters
 
Dual 8 inch double density floppy disk drives using a general purpose NEC uPD765 compatible controller. The disks have a capacity of 1.18 MB (formatted)
 
The 8085 processor adaptor makes possible the use of CP/M. The main processor uses MS-DOS
 
We have the software and the complete manuals as well as the hardware manufactured  February 1983 with a serial number of 0177
 
This quite unique computer was very kindly donated by Kim Faulkner on the 22nd December 2008
 
 

Manufacturer: Kokusai
Date: February 1983



Comment on This Page

This exhibit has a reference ID of CH3413. Please quote this reference ID in any communication with the Centre for Computing History.

 

Kokusai KDS 7861


Click on the Image(s) For Detail


Articles

Help support the museum by buying from the museum shop

View all items

Founding Sponsors
redgate Google ARM Real VNC Microsoft Research
Heritage Lottery Funded
Heritage Lottery Fund
Accredited Museum