The computer closet also contains a commodore pet 2001 32n with the fullsize graphics keyboard. This was a revised model of the first machine, with new keyboard launched in 1977 and was used. The commodore pet is a line of homepersonal computers produced starting in 1977 by. Cbm 8000, cbm 2001b, cbm 8016, pet 20018k, cbm 8032. Many came from europe and also from japan as commodore got the jump on the competition and started international sales years before many of the other microcomputer companies. Inside the commodore pet 2001 vintage computer zdnet. It has the early 320008 motherboard from 1977 and is in very nice condition.
The machine in the photo has the full size keyboard and the upgrade roms which allow it to use a disk drive. It was based on the same architecture as the mos commodore kim1 but provided a keyboard chicklet style, tape drive and monitor all housed in a spaceage case. A common fault with the commodore pet series of computers is a screen full or. Commodore pet rom schematic commodore pet ram schematic commodore pet odd display ram schematics commodore pet ieee 488 schematic commodore pet display mux schematics commodore pet crtc sync schematics leave a reply cancel reply. Nov 01, 2015 tynemouth software llp old computers, new computers, bespoke web design and software development, computer repairs, it and media services uk sunday, 1 november 2015 commodore pet 20018 mainboard repair part 1. It was based on the same architecture as the moscommodore kim1 but provided a keyboard chicklet style, tape drive and monitor all housed in a spaceage case.
The pet never met the level of success of the apple ii, but its basic architecture continued in the commodore vic20 and eventually the commodore 64. It was also known as the educator 64 and was merely a modified c64 in an old pet case. Commodore pet software at the centre for computing history. The fullsize keyboard versions used an external cassette drive. Mar 26, 2002 dont think that all the pet and other commodore 8bit games came from the u. Commodore pet 2001 blue label the pet was one of the biggest sellers in the 19791980 period, when computers were aimed at both the home and business market. In this portion of the guide, well get code uploaded to the adafruit feather m0 microcontroller. Ive owned a commodore pet 8032 for a few years now. Ive been meaning to build a cb2 sound mod for my pet 2001 for some time and lately ive been experimenting with a max232 ttl to rs232 level converter to connect the pet to a modem.
My design is a modification of one released by the commodore pet users club of england. Commodore 128 complete restoration and board repair. Commodore pet schematics display, rom, ram, timing, ieee. Desktop commodore pet 2001 8 user manual 148 pages. Since i designed my video generator to operate at a frame rate of 50 hz, the real time clock will not keep accurate time. Rs232 for commodore pet and dialing a bbs over wifi. The pet 2001, the first microcomputer by commodore. The emulator simulates pressing the pets left shiftkey at the same time as the clicked key. Dont think that all the pet and other commodore 8bit games came from the u. Commodore pet 2002 the pet was one of the biggest sellers in the 19791980 period, when computers were aimed at both the home and business market. One other thing is that it replaced the vidon line to generate the system interrupt with the vertical sync signal of the crtc.
This collection of commodore manuals, instructions, schematics and technical information comes courtesy of the army of anonymous scanners of together, they comprise a major swath of the most prominent manuals related to commodore equipment, software, and procedures. How to fix a commodore cbm 3032 with a garbage screen. View and download commodore pet 2001n instruction book online. A common fault with the commodore pet series of computers is a screen full or garbage, a random assortment of characters. How to fix a commodore cbm 3032 with a garbage screen problem. Tynemouth software llp old computers, new computers, bespoke web design and software development, computer repairs, it and media services uk sunday, 1 november 2015 commodore pet 20018 mainboard repair part 1. January commodore first shows a prototype pet computer at the winter consumer electronics show.
A topseller in the canadian and united states educational markets, it was the first personal computer sold to the public and formed the basis for their entire 8bit product line, including the commodore 64. Ive been able to download and run many different programs for it, like wordpro you see above. Commodore pet sound and serial project my old computers. The commodore pet personal electronic transactor is a line of homepersonal computers produced starting in 1977 by commodore international. Spreadsheet software for the commodore pet 2001, cbm 2001, cbm 8032 32k. View and download commodore pet user manual online. I did not find out how a pet 2001 should react if different chips. Commodore pet 2001 repair garbage screen with noise here we have a commodore pet 2001 board in for repair. Commodore pet 2001 computer steves computer collection. Interesting modified commodore pet 2001 vintagecomputer.
The commodore pet 2001 was the first full computer that commodore produced. This strategy, meant to give commodore a competitive edge in education against their main business rival, apple, wasnt successful, probably due to the lack of educational software. Here is my attempt of the restoration of a commodore pet. This page contains a few programs for pet cbm computers that i have picked up from various places on the web to use with the model 8096 that i have, this machine has an 80 column screen and 32kb of ram on board, with an additional 64kb on an internal expansion board. It is unique with its chicklet keyboard and built in tape drive.
Interesting modified commodore pet 2001 by admin october 10, 2017 while i have a couple of other pet 2001 variations, i dont have a pet 2001 with blue screen surround and the blue and chrome looking front label so this one is special. This page is intended to help a newbie to fix a commodore cbm 3032 pet 2001n32 with a garbage or blank screen problem without using an oscilloscope or sophisticated equipment. Commodore pet 2001 32 the pet was one of the biggest sellers in the 19791980 period, when computers were aimed at both the home and business market. This adapter replaces all ram installed in the commodore pet 2001 with a 6264 static ram and is useful when one or more ram are faulty. Here follows a description of the 4 major board revisions used in the commodore pet line of computers. The basic included on the original pet 2001 was known as commodore basic 1. Mps 6550 commodore pet 2001 ram adapter dasaro designs.
The blue trim around the monitor, the bluewhite display, and certain parts on the motherboard identify this as one of the earliest models of pet. After 1982, commodore manufactured the pet 64 for a short time. This was a revised model of the first machine, with new keyboard launched in 1977 and was used for education, hobbyists, and some business users. Search no longer, i have some tap files and wav files for you to download. This board finally adds a crtc video controller and a piezo beeper for the via shift register output. Jul 14, 2006 the commodore pet 2001 was the first fully integrated computer from commodore.
This was a revised model of the first machine, with new keyboard launched in 1977. Commodore pet tap wav files would you like to record wav files to tape for your own pet computer or do you like to use an audio device like the ucassette on your pet. Commodore pet vic20 c64 port pinouts for rs232 ieee, printers, user 1983 4 pages reproduced march 17, 2004 from transactor vol 4 issue 5 fall 1983 with permission from bruce beach. The original pet2001 had its own internal video display monitor that rescanned at a frame rate of 60 hz, with 260 noninterlaced, horizontal lines.
The commodore pet assembler development system commodore business machines professional computer division, 1979 downloaded from. Commodore pet 4032 computer steves computer collection. Disk reference manual for d9090, d9060, 8250, 8050, 4040, 2031. The commodore pet is a line of homepersonal computers produced starting in 1977 by commodore international. Drawing of chiclet keyboard of the pet 2001 series.
Disk system user reference guide commodore electronics limited, 1982 part number 32097201 106 pages, 2. This unit was usually a 2001 series pet which was relabeled with teachers pet, donated by commodore business machines the story behind these in many us schools at least in california, where i know of it commodore had a promotion where if schools bought 2 pets the third would be donated by commodore. Jan 22, 2012 another commodore pet 2001 from my collection. Jul 27, 2017 commodore pet 2001 repair garbage screen with noise here we have a commodore pet 2001 board in for repair. Please note that each board number describes a range of different boards but the differences within a number described here should be too small and too unimportant to mention. Ive long wanted to connect it to a standard rs232 device and use it as a terminal. Like all early pets, it features a small 9 integrated monitor. The commodore pet 2001 was the first fully integrated computer from commodore. These type of ram are no longer available to purchase. Changing the size of memory or changing the rom version forces a reset of the pet. The pet was quite popular in schools due to its simple use and allinone design commodore released numerous pet systems, each slightly different than the other, but the original 2001 series is the only one with the internal cassette drive and the tiny keyboard.
Pet pack commodore software 110280 mp057 stock market trends. In regards to blog post titled commodore cbm pet 2002b keyboard. Im noticing in your picture of the motherboard that c15, a tantalum cap near a power transistor, is missing. Hold your shift key while clicking the pet keyboard to get the graphics characters.
Here we have a commodore pet 2001 board in for repair. A basicml program to convert any cbm disk to a dump file like. The system combined a mos 6502 microprocessor, commodore basic in read only memory rom, a keyboard, a computer monitor and in early models a cassette deck for data and program storage in a single allinone case. The way to arrange a directory and find software on tapes was accomplished by using an inlay sheet with counter position noted, and program name next to it. This was the first commercial all in one personal computer which you could simply plugin and begin using. The original pet2001 used 160s jiffies as the time interval for updating its software real time clock. The physical shape of the commodore datasette 153031 is a weight of 0. This page contains a few programs for petcbm computers that i have picked up from various places on the web to use with the model 8096 that i have, this machine has an 80 column screen and 32kb of ram on board, with an additional 64kb on an internal expansion board. This is the service information on the 2001n30004000 no crtc. Inside the commodore pet 2001 vintage computer techrepublic. The computer closet also contains a commodore pet 2002n with the fullsize graphics keyboard. Erik klein, vintage computer collector and webmaster of, takes you inside the commodore pet 2001. This is the dynamic system board, used in systems with 9 display schematic diagram included. Well, it stands for personal eletronic transactor which is about as good a name for a microcomputer as any.
One of my favourite pieces of working computer hardware. The keyboard graphic responds to mouse clicks, touch events, and key presses. Schematic 320349 for dynamic pet, scanned by retro commodore. A copy of the schematic of their adapter is available here. Note the small pcb sitting on top of the main board. The emulator simulates pressing the pet s left shiftkey at the same time as the clicked key. Commodore pet tape wav files retro computer verzamelaar. Apr 25, 2018 the original pet 2001 used 160s jiffies as the time interval for updating its software real time clock. January commodore s chuck peddle shows the first pet to radio shack, hoping to have radio shack sell it. This adapter will only work to replace a chip with a part number starting with mps 6550. Millipede nybbles and bits was online software a good variation of the centipede game. Like all early pet s, it features a small 9 integrated monitor. Commodore cbm 3032 how i fixed a garbage screen problem.
January commodores chuck peddle shows the first pet to radio shack, hoping to have radio shack sell it. Of course the commodore pet 2001, which was announced in 1977 and hit the market in 1978, is one of the classics of classic computing who didnt lust after one in high school. Commodore pet 2001 blue label computer computing history. This is the first commodore pet model ever produced. I have been selling adapters to replace the mps6540 roms in the commodore pet 2001 since 2009, but until now, there has not been a solution for the equally scarce mps6550 ram chips. The vertical frame rate from the video circuitry was the frequency reference.
This product was designed in expresspcb so you will need to download a copy of that software from before you can view the files. The commodore pet assembler development system commodore business machines. I found a nice commodore user port prototype kit that included a plastic shell and it looked like everything would fit, so i decided to put it all together in one package. Commodore pet 2001 wallpaper 1024x768 commodore pet 2001 wallpaper 1024x768 data. It works like a horse loads and executes programms and games and it. A popular 8 bit processor that soon would be used in machines like the apple ii, the atari 800, the commodore pet and 64.
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