Full content from the completed page crawl (media download still running)
6,654 pages: 1,289 machines, 702 software, 460 companies, 64 history, 17 articles, 59 fun. 4,336 media files so far; references to files not downloaded yet are left out. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
This commit is contained in:
Claude Opus 5.5
@@ -0,0 +1,142 @@
|
||||
---
|
||||
title: COMPUTER DEVICES INCORPORATED DOT
|
||||
categories:
|
||||
- Computers
|
||||
types:
|
||||
- Pocket
|
||||
origins:
|
||||
- U.S.A.
|
||||
years:
|
||||
- '1983'
|
||||
cpus:
|
||||
- Intel 8088
|
||||
params:
|
||||
name: DOT
|
||||
image: /media/museum/photos/dot_computer.jpg
|
||||
company: /companies/computer-devices-incorporated
|
||||
company_name: COMPUTER DEVICES INCORPORATED
|
||||
specs:
|
||||
- label: NAME
|
||||
value: DOT
|
||||
- label: MANUFACTURER
|
||||
value: Computer Devices Incorporated
|
||||
- label: TYPE
|
||||
value: Pocket
|
||||
- label: ORIGIN
|
||||
value: U.S.A.
|
||||
- label: YEAR
|
||||
value: may 1983
|
||||
- label: BUILT IN LANGUAGE
|
||||
value: None
|
||||
- label: KEYBOARD
|
||||
value: Full-stroke 89 keys with numeric keypad and 10 function keys
|
||||
- label: CPU
|
||||
value: Intel 8088 (16-bit cpu)
|
||||
- label: SPEED
|
||||
value: 5 Mhz
|
||||
- label: CO-PROCESSOR
|
||||
value: optional Intel 8087 math co-processor, optional Z80 board for CP/M compatibility
|
||||
- label: RAM
|
||||
value: 64 KB or 128KB of main user RAM expandable to 256KB on a single board (optional 64K OEM unit). Up to 704KB of main memory with an expander board. 2KB of static RAM memory for terminal configuration
|
||||
- label: VRAM
|
||||
value: 32 KB
|
||||
- label: ROM
|
||||
value: 24 KB or 64 KB depending models
|
||||
- label: TEXT MODES
|
||||
value: 40 columns x 25 or 16 lines / 80 x 25-16 / 132 x 25-16
|
||||
- label: GRAPHIC MODES
|
||||
value: 40 x 16 / 40 x 25 / 320 x 200 / 640 x 200 / 512 x 254 / 1024 x 254 / 1056 x 254
|
||||
- label: COLORS
|
||||
value: Monochrome
|
||||
- label: SOUND
|
||||
value: Beeper
|
||||
- label: SIZE / WEIGHT
|
||||
value: 46 x 38 x 19 cm / 19 Kg
|
||||
- label: I/O PORTS
|
||||
value: Two expansion slots, two RS232/V24 ports, external monitor, parallel port optional
|
||||
- label: BUILT IN MEDIA
|
||||
value: 'one or two 3.5'''' floppy disk drives (287 KB each); average acces time: 365 ms; transfer rate: 500 KB/s'
|
||||
- label: OS
|
||||
value: MS DOS
|
||||
- label: POWER SUPPLY
|
||||
value: Built-in power supply unit, 100w
|
||||
- label: PERIPHERALS
|
||||
value: Embedded printer, 2 x Serial RS-232 ports, Z80 card, built-in 300/1200 bauds modem, IBM 3780 & 327x compatible boards
|
||||
- label: PRICE
|
||||
value: From $2995 to $3997, depending upon options
|
||||
tabs:
|
||||
- photos
|
||||
photos:
|
||||
- title: THE DOT COMPUTER
|
||||
subtitle: ''
|
||||
text: ''
|
||||
image: /media/museum/photos/dot2.jpg
|
||||
- title: THE DOT LOGO
|
||||
subtitle: ''
|
||||
text: ''
|
||||
image: /media/museum/photos/dot3.jpg
|
||||
- title: HAPPY GUY
|
||||
subtitle: ''
|
||||
text: ''
|
||||
image: /media/museum/photos/cdi_dot_pub_2.jpg
|
||||
comments:
|
||||
- author: AutoFox (USA)
|
||||
date: Tuesday 2nd February 2021
|
||||
text: I actually have one of these! Friend found it - of all places - in the attic of a Quaker meeting house, and gave it to me as I''m into old computer systems. It still boots, and the printer still works even! Sadly, the disk drives seem to be dead, so I can''t do much with it...
|
||||
- author: Bob Gershaw (massachusetts)
|
||||
date: Saturday 20th June 2015
|
||||
text: I worked on the development of the Sony drive interface unfortunately it was totally analog with plenty of problems and even though there was a chip set available which worked the management insisted on using the analog interface and pestered Sony to get the bugs out since it was a recommended circuit by them this caused long delays in its release and never worked right. It was kind of a cool design though. one problem the thermal paper''s txt faded quite quickly. I worked with Dave Epstien a great guy. Miss you dave.
|
||||
- author: Paul D. Conley (Durant, OK)
|
||||
date: Friday 29th May 2015
|
||||
text: I attempted to use the DOT Computer as the principle input/output device, to a Department of Defense Network computer program I designed! The DOT Computer, for all of the great designed elements, Portability, Printer, Sony disc drive, key board, Screen, was the best device for my program, with Packet-networking, to a network of 60 Sequent Computers, operating 386 Duel Unix system! I would have bought 1 Dot Computer for each Army Detachment or Company, which would have been 25,000 units! But alas, at the time when I went to Billerica, Massachusetts to present my program, Computer Devices was in Bankruptcy and had stored the production units away in a garage and could not (would not?) release the units to the US Army!
|
||||
- author: Doug Connell (USA)
|
||||
date: Wednesday 10th July 2013
|
||||
text: If anyone is interested I still have my DOT computer with reams of company software and the back up parts they sold as an extra. I last used it in 1997 as an office computer to track business expenses at a small business I had. Email:taxmannh@hotmail.com. Hate to see it be trashed.
|
||||
- author: R Keith Beal (Irvine, Ca)
|
||||
date: Wednesday 22nd February 2012
|
||||
text: |-
|
||||
I was a developer on the Dot project.\
|
||||
The hardware was 100$ IBM PC-compatible.\
|
||||
To test it for compatibility they hired a typist to keyboard the BIOS source from the IBM PC Technical Reference.\
|
||||
We built it on an Intel MDS "Big Blue Box", burned EEPROMs and used it to qualify the hardware.
|
||||
|
||||
Our team wrote the BIOS with the help of some contractors.\
|
||||
Two of the contractors later took the code and founded Phoenix Associates.
|
||||
|
||||
It was the first computer to use the Sony 3.5 floppy.
|
||||
- author: Bob Norman (USA)
|
||||
date: Tuesday 4th October 2011
|
||||
text: This computer came out shortly after I left Computer Devices. They nicknamed it "DEC''s other terminal" as most of the top management came over when i left from DEC. It had real potential and the DOS was not cloned/copied from IBM (later a legal issue for Panasonic and others). CDI developed from scratch. The team later became Phoenix Bios developer, as i remember. BUT it was not 100$ IBM compatible BUT legal, BUT the world wanted 100$ (Flight Simulator test). So, it got little traction. It was also expensive but quality.
|
||||
- author: Curtis Wilbar (MA, USA)
|
||||
date: Tuesday 4th January 2011
|
||||
text: |-
|
||||
No, the DOT is not 100$ compatable. DOT DOS 1.something was the version that shipped with these systems. There was an unreleased port of DOS 2.0.
|
||||
|
||||
Besides some differences in video, as I understand it the BIOS was not 100$ compatible requiring software using (certain ?) BIOS calls to be ''ported''.
|
||||
- author: Nick Robinson (Australia)
|
||||
date: Monday 18th March 2002
|
||||
text: I would like to know if this Computer is 100% IBM PC Compatible?
|
||||
oc_id: 116
|
||||
source:
|
||||
url: https://web.archive.org/web/20230330085435/http://www.old-computers.com/museum/computer.asp?c=116
|
||||
date: '2023-03-30'
|
||||
---
|
||||
|
||||
The DOT was a portable IBM PC compatible computer. It was the last portable computer developed by Computer Devices Incorporated (CDI) back in 1981-1983. It followed the example of the Osborne systems, its main competitors. But while most other transportable systems were powered by 8-bit microprocessors, the DOT used a "powerful" 16-bit Intel 8088.
|
||||
|
||||
It has a wide built-in 5 x 9" green monochrome display which can display up to 1056 x 254 pixels or 132 x 25 characters. There are 256 characters from the original IBM PC character set for compatibility, as well as 256 more characters for double size displays. The DOT features a real time clock. One or two (depending models) 3.5'' Sony disk drives were mounted inside the system (287 KB each).
|
||||
|
||||
An optional Zilog Z80 expansion board allowing to run CP/M 2.2 was also available.
|
||||
|
||||
There is also an optional thermal printer (160 cps) mounted on top of the monitor, which can print everything displayed on the screen. It can also be remotely operated through 1200 baud line. Here are the Printer characteristics :
|
||||
|
||||
\- Print method: Thermal, with a 5 x 10 dot matrix\
|
||||
\- Print speed: 160 characters per second bidirectional\
|
||||
\- Paper: 8 3/4 " wide, thermal paper; 150' or 100' roll with last 5' color coded\
|
||||
\- Line length (characters): 80/132 columns, selectable\
|
||||
\- Automatic carriage return and line feed: At 81st or 137th column\
|
||||
\- Character spacing: Vertical - 6 lines per inch Horizontal 80 column: 10 . 7 characters/inch 132 column: 18.4 characters/inch\
|
||||
\- Graphics density: Vertical - 64 dots per inch Horizontal - 64 or 128 dots per inch\
|
||||
\- Paper feeds : friction drive, 30 line feeds per second
|
||||
|
||||
This is some of the software available: MS-DOS, CP/M (optional), assembler, Basic, Fortran, Cobol, Pascal, C, macro-assembler, Pearl, Record Manager, terminal emulation (TTY, IBM 3101, 327x, 3780, VT100), mailing, Volkswriter (wordprocessor), Multiplan, Time Manager, Project Manager...
|
||||
Reference in New Issue
Block a user