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      • Assy 250407 Rev. B #1
      • Assy 250407 Rev. B #2
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      • Assy 250425 Rev. A #1
      • Assy 250425 Rev. A #2
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      • Assy 250425 Rev. A #4
      • Assy 250425 Rev. B #1
    • Commodore 64C
      • Assy 250469 Rev. 3 #1
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Assy 250407

More Electroware Power

August 31, 2020August 27, 2020 by MtnBuffalo

Giving just the right amount of electrical power to your Commodore 64’s is vital to ensure a stable operation. Voltage drops may give rise to stability issues while too much voltage will undoubtedly fry the delicate chips on the old C64 motherboards. The latter is … Read more

Categories C64 Breadbox, C64 C, C64 Games System, C64 Hardware, C64 Mods, C64 Peripherals, C64G
The MechBoard64. Cherry Locking switch. Mechanical keyboard. breadbox64.com

The MechBoard64

August 12, 2022July 29, 2018 by MtnBuffalo

It’s finally time to show what has been clutting up my workbench for way too long! Back in 2015 I got my hands on two C64 Reloaded boards (link) and installed them inside cases from the Kickstarter campaign (link). I also entered the Phase5 Indiegogo … Read more

Categories C64 Breadbox, C64 C, C64 Hardware, C64 Mods, C64 Peripherals, C64 Reloaded

More C64 Repair Logs

August 29, 2017August 23, 2017 by MtnBuffalo

During the last couple of weeks I’ve received 8 (!) broken Commodore 64 machines that were in need of repair. The repair logs of three of them have already been described here (link), while the latter five had issues ranging from faulty Serial Ports (link, link, link), … Read more

Categories C64 Breadbox, C64 Hardware, C64 Repairs
Commodore 64 Project SIDFX sound mod. Swapping between SID chip files by flicking a switch. Read more on breadbox64.com

The SIDFX Sound Mod

December 20, 2017November 5, 2016 by MtnBuffalo

The semi analog SID chip (Sound Interface Device) is an electronic music synthesizer and its distinctive sounds are easily recognized by any Commodore 64 owner. Back in the days, most SID tunes ended up in games or demos to basically support the graphics on the … Read more

Categories C64 Hardware, C64 Mods, C64 Music
The LumaFix64 removes vertical lines from your Commodore 64. Read the review and see the pictures on breadbox64.com

The LumaFix64 Mod

December 18, 2017July 3, 2016 by MtnBuffalo

Some people just can’t be satisfied with how things were back in the good old days when Mario was called Jumpman and real computers ran on 8 bit. These high achievers keep tampering with the old hardware to make it perform even better compared to … Read more

Categories C64 Breadbox, C64 C, C64 Hardware, C64 Mods, C64 Peripherals
Commodore 64 power LED colors, C64, C64C and C64 Games System

Power LED Colors

May 6, 2016January 2, 2016 by MtnBuffalo

I have noticed that the different versions of the Commodore 64C’s have various power LED colors. I do not know if Commodore was consistent with the LED colors of the different board revisions of the Commodore 64C’s, but these are the colors that the power … Read more

Categories C64 Breadbox, C64 C, C64 Games System, C64 Hardware
Commodore 64 Kickstarter cases in beige for two assy 250469 motherboards,

New C64C board & Cases

March 16, 2016November 15, 2015 by MtnBuffalo

I recently bought a pile of broken Commodore 64’s as described in this post. I payed like 35 $ for 7 PCB’s (2 short boards and 4 long boards), 3 cases (2 C64C’s and 1 Breadbox) and 2 working keyboards. Pretty good deal I got there!! Among the … Read more

Categories C64 Breadbox, C64 C, C64 Hardware, C64 Mods, C64 Repairs
Repair logs for a Commodore 64 Assy 250407 Rev. B and an Assy 250407 Rev. B with broken PLAs at U17

New Repair Logs Added

January 16, 2016August 19, 2015 by MtnBuffalo

I got a load of broken breadboxes that needed to be resurrected. Two of them have been fixed and the results have been added to the repair log pages. Both boards were Assy 250407 Rev. B.  PCB’s that needed a good clean and some new chips to … Read more

Categories C64 Breadbox, C64 Hardware, C64 Repairs
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