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G > GRUNDY  > NEW BRAIN     


GRUNDY
NEW BRAIN

"When the NewBrain was announced to the world, in 1980, the design concept was significantly in advance of anything that had been seen in the field of handheld computing." (Dick Pountain - Personal Computer World)

In fact, the company that created it, Newburry Labs, sold the desing to its current owner, Grundy Business Systems Ltd.
It also seems that a small part of the original design came from Sinclair Radionics which designed later the ZX-80.

At one time, the NewBrain was in line to be the BBC computer, but design problems and the change in ownership caused the BBC to look elsewhere.

In 1982, the machine was advertised as a compact but powerful microcomputer with advanced hardware and software features.

The NewBrain AD, which contains a 1-line, 16-character fluorescent display, was complemented by a no-display cheaper version sold £30 less, the NewBrain A. There was no reset button and no ON/OFF switch either. A third model, called Newbrain M included a battery-backup option (and the LCD screen) so it can be used as a handheld computer.

An expansion interface was available, providing 2 serial ports, 2 parallels, 1 DAC, 1 joystick port, and a light pen port.
A network was also available and allowed to connect 24 computers together through RS-232/V24 bidirectional serial ports.
The New Brain used a special management memory system which allows to expand memory up to 2 Mb (IMPRESSIVE!).
The character set contained 512 letters, numbers and graphics as well as VideoText symbols. The Character set was divided into two 256-character banks, only one of which could be selected at a time.
An optional VideoText module enabled NewBrains owners to access British TeleText and Prestel services It could run under CP/M.



ShareThis


 

In the details of the NewBrain it says that the machine has
a "calculatortype" keyboard. That is nonsense !!!!
Measure the keydistances !! They are the same as the "big"
keyboards sold today !!
Only the surface of the keys were a bit smaller.
A BIG advantage !!! You would not hit 2, 3, or 4 keys at the
same time !! I have never seen such a beautyfull and perfect
working keyboard !!

          
Sunday 28th October 2012
Evert (NL)

Finally i got my NewBrain working again! see the whole story here: http://www.8bit-homecomputermuseum.at/repair/newbrain/newbrain.html

Greetings TOM:-)

          
Tuesday 25th October 2011
Scouter3d (Österreich)
Homecomputer Museum in Wien

Hi, unfortunately my Newbrain is dead ... is there anyone who can help me /guide me in the repair process? I am an engineer and know a little bit about electronics, i have the shematics, i can use an oscilloscope and i can solder ... Any help is welcome!
Thanks TOM:-)

          
Saturday 20th August 2011
Scouter3d (Österreich)
Toms homepage

 

NAME  NEW BRAIN
MANUFACTURER  Grundy
TYPE  Home Computer
ORIGIN  United Kingdom
YEAR  1980
BUILT IN LANGUAGE  Basic interpreter
KEYBOARD  QWERTY, calculator style, 62 keys
CPU  Zilog Z80 A
SPEED  4 MHz
CO-PROCESSOR  COP 240 (I/O)
RAM  32 KB
ROM  29 KB (8 KB for Basic, 4 KB for graphics, 4 KB for OS/characters set/editor)
TEXT MODES  80 columns x 25-30 lines / 40 columns x 25-30 lines
GRAPHIC MODES  From 256 x 10 to 640 x 220 pixels
COLOrsc  Monochrome
SOUND  unknown
I/O PORTS  Tape (two - 1200 bauds); RGB, UHF, RS232c (two - 9600 bauds, one was used as a printer one was cut down in lacking an 'in' line.), Z80 Bus
POWER SUPPLY  External power supply unit
PERIPHERALS  Expansion interface featuring 2 serial ports, 2 parallels, 1 DAC, 1 joystick port, and a light pen port.
PRICE  $325 - £229





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