Commodore News Page - News: KIM-1, PET, CBM

Rob Clarke - PET 4010 Voice Response Unit

Rob Clarke has made a video about the Commodore PET 4010 Voice Response Unit. This device was developed for the Commodore PET/CBM computer by the Votrax corporation.

2019-03-15 - 13:12:00 - Week: 11 - Item number: 6972 - Category: KIM-1, PET, CBM, Hardware

Chuck Hutchins - Commodore 2031

Chuck Hutchins has made a video about troubleshooting and repairing a Commodore 2031 disk drive.

2019-02-22 - 13:03:00 - Week: 8 - Item number: 6911 - Category: KIM-1, PET, CBM, Repair

HAL PCG-6500 - PET/CBM

The guy old made a video of a rare hardware expansion for the Commodore PET/CBM computer. The HAL PCG-6500 is a graphics board with aprogrammable character set generator and a sound device.

2019-02-01 - 13:19:00 - Week: 5 - Item number: 6872 - Category: KIM-1, PET, CBM, Hardware

Tynemouth Software - PET 8032

Tynemouth Software has repaired a Commodore PET 8032 computer. This time the problem was the video and a ROM.

2019-01-25 - 13:06:00 - Week: 4 - Item number: 6849 - Category: KIM-1, PET, CBM, Repair

Iz8dwf - 3040 repair

Iz8dwf made a video of the repair of a Commodore 3040 disk drive. This time the speed controller of the diskette motor was defective.

2018-12-21 - 13:18:00 - Week: 51 - Item number: 6768 - Category: KIM-1, PET, CBM, Repair

Iz8dwf - PET 2001 repair (2)

Iz8dwf made a video of the repair of a PET 2001. This time he cleaned the Datassette and the keyboard.

2018-11-30 - 13:13:00 - Week: 48 - Item number: 6707 - Category: KIM-1, PET, CBM, Repair

PET 2001 clone

Glen Kleinschmidt has built a clone of a CBM PET-2001. The specifications are: 32 KiB RAM, BASIC#2, WDC65C02N (CPU), WDC65C21N (PIA) and a WDC65C22N (VIA).

2018-11-30 - 13:07:00 - Week: 48 - Item number: 6701 - Category: KIM-1, PET, CBM, Hardware

Tynemouth Software - IEEE-448 port tester

Tynemouth Software has developed a IEEE-448 port tester for the Commodore CBM/PET computers.

2018-11-23 - 13:10:00 - Week: 47 - Item number: 6689 - Category: KIM-1, PET, CBM, Hardware

Chuck Hutchins - PET keyboard repair

Chuck Hutchins made a video about repairing a PET 8032 Business keyboard. He cleaned the contacts, checked the resistances and repaired a broken circuit trace.

2018-11-09 - 13:19:00 - Week: 45 - Item number: 6655 - Category: KIM-1, PET, CBM, Repair

On this webpage you can find scanned books and articles related to the Commodore and Amiga computers.

Iz8dwf - PET 2001 repair

Iz8dwf made a video of the repair of a PET 2001. The PET 2001 needed new 6550 and 6540 IC's.

2018-11-09 - 13:13:00 - Week: 45 - Item number: 6649 - Category: KIM-1, PET, CBM, Repair

Software Library: Commodore PET

The Software Library: Commodore PET is a collection of software for the Commodore PET. At the moment the collection contains 339 programs and games.

2018-10-26 - 13:01:00 - Week: 43 - Item number: 6607 - Category: KIM-1, PET, CBM, Web page

Tynemouth Software - PET replacement keyboards

Tynemouth Software has developed a replacement keyboard for the Commodore PET computers. The replacement keyboards are available for the "graphics" keyboard and the "chicklet" keyboard. The keyboard is now also available with a black circuit board.

2018-08-10 - 13:06:00 - Week: 32 - Item number: 6441 - Category: KIM-1, PET, CBM, Hardware

Commodore Pet Tape Recovery

Galb2x2 made a video about recovering a cassette tape for the Commodore PET computer. He uses a C2N Datasette and an Arduino.

2018-07-27 - 13:08:00 - Week: 30 - Item number: 6417 - Category: KIM-1, PET, CBM, Hardware

Dave Bradley - Super PET

Dave Bradley made a video about the repair of a Commodore Super PET.

2018-06-22 - 13:13:00 - Week: 25 - Item number: 6333 - Category: KIM-1, PET, CBM, Repair

Tynemouth Software - PET replacement keyboards

Tynemouth Software has developed a replacement keyboard for the Commodore PET computers. The replacement keyboards are available for the "graphics" keyboard and the "chicklet" keyboard.

2018-05-25 - 13:12:00 - Week: 21 - Item number: 6273 - Category: KIM-1, PET, CBM, Hardware

Iz8dwf - PET RAM/ROM board

Iz8dwf made a video of the development of his Commodore PET RAM/ROM replacement board. The specifications are: 2 x ROM (24Kbytes) and 2 x 4K ($F000 - $FFFF).

2018-05-25 - 13:09:00 - Week: 21 - Item number: 6270 - Category: KIM-1, PET, CBM, Hardware

Iz8dwf - PET 2001 repair

Iz8dwf made a video of the repair of a PET 2001. The PET 2001 needed a new daughterboard with RAM and ROM.

2018-04-20 - 13:15:00 - Week: 16 - Item number: 6189 - Category: KIM-1, PET, CBM, Repair

PET De Lux - The Commodore PET tribute

Love Hultén made a tribute to the Commodore PET 2001. The PET De Lux is handmade from American walnut. But it has a modern computer inside, emulating video game systems such as Commodore 64, NES and many more.

A video of the PET De Lux.

2018-03-09 - 13:12:00 - Week: 10 - Item number: 6081 - Category: KIM-1, PET, CBM, Hardware

On this page you can find my Commodore collection. A few examples are: KIM-1, CBM, PET, VIC20, C64, C128, C16, C116, Plus/4, Amiga, PC, C64DTV, MAX machine, VIC-1001, C65, The gold C64, disk-drives, datassettes, monitors, printers, joysticks, cartridges, software, articles, manuals and much more.

Iz8dwf - Commodore C64 & PET 2001 repair

Iz8dwf made a video of the repair of a Commodore C64 and a Commodore PET 2001. The C64 had a faulty PLA and a bad RAM chip. The PET 2001 needed a new RAM and ROM chip.

Commodore PET 2001

2018-03-02 - 13:18:00 - Week: 9 - Item number: 6066 - Category: KIM-1, PET, CBM, Repair

Tynemouth Software - PET 3032

Tynemouth Software has repaired two Commodore PET computers. The one PET had a couple of bad IC sockets and the other PET had damaged tracks on the circuit board and a bad capacitor.

2018-01-26 - 13:09:00 - Week: 4 - Item number: 5992 - Category: KIM-1, PET, CBM, Repair

Iz8dwf - PET 4032

Iz8dwf made a video of the repair of a Commodore PET 4032 computer. This time the fault was a ROM and a VIA 6522.

2017-11-10 - 13:15:00 - Week: 45 - Item number: 5816 - Category: KIM-1, PET, CBM, Repair

Iz8dwf - PET 3032

Iz8dwf made a video of the repair of a Commodore PET 3032 computer with faults in the video generation and a bad MOS-6522 chip.

2017-10-20 - 13:02:00 - Week: 43 - Item number: 5766 - Category: KIM-1, PET, CBM, Repair

Commodore PET Datassette repair

Tynemouth Software has repaired a Commodore PET 2001. This time he repaired the digital counter of the Datassette.

2017-10-13 - 13:05:00 - Week: 40 - Item number: 5759 - Category: KIM-1, PET, CBM, Repair

Commodore PET Video RAM problems

Tynemouth Software has repaired a Commodore PET.This time he repaired the video part by replacing it with a Video RAM replacement board.

2017-09-01 - 13:05:00 - Week: 35 - Item number: 5673 - Category: KIM-1, PET, CBM, Repair

The 8-Bit Guy - Commodore PET

The 8-Bit Guy made a video about cleaning and repairing a Commodore PET computer.

2017-09-01 - 13:01:00 - Week: 35 - Item number: 5669 - Category: KIM-1, PET, CBM, Repair

Commodore PET 2001 repair

Tynemouth Software has repaired a Commodore PET 2001.This time one of the 74LS157 multiplexers was the problem.

2017-08-04 - 13:03:00 - Week: 31 - Item number: 5608 - Category: KIM-1, PET, CBM, Repair

PET 2001 clone

Glen Kleinschmidt is working on a clone of a CBM PET-2001. The specifications are: 32 KiB RAM, BASIC#2, WDC65C02N (CPU), WDC65C21N (PIA) and a WDC65C22N (VIA).

2017-07-28 - 13:18:00 - Week: 30 - Item number: 5603 - Category: KIM-1, PET, CBM, Hardware

C128 forum is a forum for Commodore C128 users with the following sections: Games, General info, Herdware, Wheel and deal, Programming, .D?? Depo, Cross platform, Emulation, Demo scene, Useful Links, Alternate OS's and Go64.

Multi-EditorROM - CBM/PET

Steve Gray started a new project for the CBM/PET computers. The Multi-EditorROM is a adapter board that allow you to select any one of 16 different 4K Editor ROMs on a Commodore PET/CBM machine. The Editor ROM is responsible for all screen, keyboard, clock and IRQ processing on BASIC4 PET/CBM computers.

2017-07-14 - 13:10:00 - Week: 27 - Item number: 5574 - Category: KIM-1, PET, CBM, Hardware

Retro Gaming Couch - CBM 3016

Retro Gaming Couch is an YouTube channel for the fans of retro computing. The most recent video is about repairing a Commodore CBM 3016 computer.

2017-06-09 - 13:00:00 - Week: 23 - Item number: 5505 - Category: KIM-1, PET, CBM, Repair

Commodore 8096 repair

Tynemouth Software has repaired a Commodore 8096. For the repair he used his prototype PET LCD diagnostics board. The fault was in the RAM chips.

2017-04-28 - 13:03:00 - Week: 17 - Item number: 5418 - Category: KIM-1, PET, CBM, Repair

Iz8dwf - PET 3032

Iz8dwf made a video of the repair of a Commodore PET 3032 computer from the year 1979. The faults were: ROMs, PIA 6520, MC3446 (IEEE488) and two DRAM chips.

2017-02-17 - 13:12:00 - Week: 7 - Item number: 5284 - Category: KIM-1, PET, CBM, Repair

PET keyboard - USB

AkBKukU developed an interface that makes it possible to connect a Commodore PET keyboard via USB to a modern PC. AkBKukU uses a Teensy++ for the interface. The source code is available on Github.

2017-02-17 - 13:04:00 - Week: 7 - Item number: 5276 - Category: KIM-1, PET, CBM, Hardware

Mini Commodore PET

Adafruit Industries developed a miniature version of the Commodore PET computer. The 9 x 16 LED matrix is combined with the IS31FL3731 and can show many animations. The files for a 3D printer are available.

More information on the Mini Commodore PET.

2016-12-23 - 13:12:00 - Week: 51 - Item number: 5157 - Category: KIM-1, PET, CBM, Hardware

PEDISK II

The CGRS MICROTECH PEDISK II was an early floppy disk system for the Commodore PET/CBM computer. The PEDISK did not use the IEEE bus like the Commodore disk drives, but instead used a standard floppy disk controller chip. Members of the 6502.org web page have built a clone of this system.

2016-08-26 - 13:01:00 - Week: 34 - Item number: 4947 - Category: KIM-1, PET, CBM, Hardware

PET Diagnostic

Tynemouth software has developed a new diagnostic system for the PET / CBM computer. The diagnose system is placed in the socket of the 6502 CPU and runs a number of tests.

2016-07-22 - 13:11:00 - Week: 29 - Item number: 4899 - Category: KIM-1, PET, CBM, Hardware

Space Chase - CBM II

Space Chase is a new game for the Commodore CBM II developed by Christian Krenner. The game is programmed in assembler and has a graphical resolution of 160 x 50. Space Chase is not finished yet, it still contains a few bugs, but it is already fully playable.

2016-06-03 - 13:12:00 - Week: 22 - Item number: 4814 - Category: KIM-1, PET, CBM, Game

On this site you will find software for the AROS - Amiga Research Operating System. Feel free to post your application on The AROS Archives or browse the site for a specific application.

Rohde & Schwarz PUC

NatureAndTech made a video about the Rohde & Schwarz PUC Process Controller. This piece of retro computing is based on the Commodore PET, and is used for control of test equipment using a built-in GPIB controller.

2016-02-12 - 13:06:00 - Week: 6 - Item number: 4590 - Category: KIM-1, PET, CBM, Hardware

Abre los ojos - CBM 8032

Abre los ojos is a new demo from the group oobc for the CBM 8032. The name of the demo "Abre los ojos" means "Open your eyes" in English. The demo reached the first place in the Wild compo at Zoo 2015.

2015-11-13 - 13:12:00 - Week: 46 - Item number: 4434 - Category: KIM-1, PET, CBM, Demo

Commodore PET 2001-8 Mainboard repair

Tynemouth Software is repairing an Commodore PET 2001-8. After testing the 6550 RAM chips it was discovered that 14 of the 18 chips were defective. Other defective components: ROM, CPU, a transistor for the Datassette, capacitors for the rectifier diodes and a power connector.

2015-11-13 - 13:09:00 - Week: 46 - Item number: 4431 - Category: KIM-1, PET, CBM, Hardware

PET restoration

Stigsworld is doing an restoration of an Commodore CBM 8032 computer. On his videos you can see how to remove the rust, sanding, priming and painting the metal case. He also shows how to install an PET Micro SD and how to remove the monitor.

2015-10-16 - 13:05:00 - Week: 42 - Item number: 4371 - Category: KIM-1, PET, CBM, Hardware

High Resolution Extension - CBM/PET

Frank Linde has developed a HiRes card for the CBM 8296-D. The features of the High Resolution Extension (HRE) are: Resolution of 640 x 250 pixels. The CBM video signal and the HRE video signal can be mixed. Control of the HRE through the User Port (POKE). Integration of simple drawing tasks (GPU). You can read all the details on his blog.

YouTube: High Resolution Extension

2015-08-28 - 17:03:00 - Week: 35 - Item number: 4287 - Category: KIM-1, PET, CBM, Hardware

KIM Kenner archive

Patrick from dottyflowers.com has scanned the Dutch computer magazines KIM Kenner, 6502 Kenner and µP Kenner. He made the magazines available on his web page last year. Patrick has now converted all the magazines to pdf for easy access.

2015-05-15 - 17:10:00 - Week: 20 - Item number: 4099 - Category: KIM-1, PET, CBM, Magazine

Portable KIM-1

Scott Lawrence made a portable KIM computer. For this KIM-1 he used an old plastic case he picked-up on a hamfest and a display from a surplus store. The computer inside is a Arduino Uno R3 micro board and a Seeed Studio protoshield. You can follow the whole process on his blog.

2015-01-23 - 17:02:00 - Week: 4 - Item number: 3901 - Category: KIM-1, PET, CBM, Hardware

History of Personal Computing: Commodore PET

A new episode of the Personal Computing podcast is available. In this episode: Retrochallenge!, Altair 8800b, Wade Ripkowski, Commodore brochures, The Commodore bankruptcy, The Commodore PET 2001, Commodore PET 4032 and the Commodore PET Disk Drive 4040.

2015-01-16 - 17:05:00 - Week: 3 - Item number: 3892 - Category: KIM-1, PET, CBM, Blog

BX720D project

Steve Gray is working on a new project. In 1983 Commodore wanted to sell a CBM-II BX-256-80 / BX-700 machine, but it never happened. Now Steve want to built one himself. The specifications are: CBM-II 710 computer, 8250LP disk drives, 8088 co-processor board and a few extras.

2014-12-05 - 17:20:00 - Week: 49 - Item number: 3816 - Category: KIM-1, PET, CBM, Hardware

Plus/4 World is a web page for the Commodore Plus/4 (but also the C16 and the C116). On the web page: news items, manuals, articles, a forum, general info and much more.

ASM80 / IDE

Martin Maly has built an online development tool for retro computers. The features are: Code editor, Simulated workspace for your files, Compiling engines for 8080/8085, Z80, 6502, 6800 and 6809 CPU. Embedded emulators for all these CPUs and emulators for PMI-80, PMD-85, JPR-1, ZX Spectrum, KIM-1 and the Grant Searle Single Board computers.

2014-11-21 - 17:10:00 - Week: 47 - Item number: 3790 - Category: KIM-1, PET, CBM, Program

Kim Uno

Oscar from Obsolescence Guaranteed made an replica of the Commodore KIM-1. For this project Oscar uses a Arduino Uno and a expansion shield with LEDs and a small keyboard. The project is now finished and is a 10 USD open source KIM-1 mini replica and a 6502 programmable calculator.

2014-10-10 - 17:18:00 - Week: 41 - Item number: 3727 - Category: KIM-1, PET, CBM, Hardware

Kim Uno

Oscar from Obsolescence Guaranteed made an replica of the Commodore KIM-1. For this project Oscar uses a Arduino Uno and a expansion shield with LEDs and a small keyboard. The project is a work in progress and the future plans include the emulation of the 6530 timers and a adding 6 times a 7-segment display and a 23 key keyboard.

2014-08-15 - 17:04:00 - Week: 33 - Item number: 3635 - Category: KIM-1, PET, CBM, Hardware

PET 2001 RAM Adapter

D'Asaro Designs is now producing 6550 RAM adapters for the Commodore PET 2001. The adapter makes it possible to replace a bad 6550 RAM chip with a 2114 RAM chip. Features: Fully functional pin-compatible. Batten and Allen PCB edge pins. Gold-plated machined DIP socket for the 2114 RAM and the necessary 2114 RAM chip is included.

2014-08-08 - 17:22:00 - Week: 32 - Item number: 3631 - Category: KIM-1, PET, CBM, Hardware

KIM Kenner archive

Patrick from dottyflowers.com has scanned the Dutch computer magazines KIM Kenner, 6502 Kenner and µP Kenner. The magazines are now available on his web page. The start of KIM Kenner was in 1979 and was continued by 6502 Kenner in 1981. The last years the magazine was know as uP Kenner. The magazine lasted almost 19 years.

2014-03-14 - 17:22:00 - Week: 11 - Item number: 3376 - Category: KIM-1, PET, CBM, Magazine