Commodore 64 con RAM guasta
Ho comprato un Commodore 64 da riparare e appena acceso mi sono ritrovato con questa schermata. Il messaggio di…
Commodore 64 programming and more
Category: Retrocomputers repair
Il Commodore 1541, consigli d’uso e manutenzione (parte 2)
La procedura di allineamento del Commodore 1541 non è particolarmente complicata ma richiede molta pazienza, specialmente se la si vuole…
Dissaldare un integrato THT in maniera sicura
Nei retrocomputer (Commodore ma non solo) è impiegata prevalentemente la tecnologia THT (Through Hole Technology). La piastra presenta dei fori…
Commodore 64: how to repair it, step by step
This is not going to be a comprehensive guide on Commodore 64 repair. Still, this article will focus on the…
Commodore 64 C RAM strange issue
Some days ago I’ve found a Commodore 64 C I didn’t even remember I had. After some cleaning, I did…
Commodore 64 C repair: intermittant operation due to bad contacts on sockets
Commodore 64 C repair case: intermittant operation due to bad socket connections. Sometimes sockets must be replaced.
THT IC sockets: a comparison between them and how to use
IC sockets make it possible to replace a chip with ease. No need to desolder the chip, you can just lift…
Atari 2600 and 7800: repair tales
Vintage Atari consoles are still really fun to use. Atari VCS / 2600 systems are known to be very reliable.…
Il Commodore 1541, consigli d’uso e manutenzione (parte 1)
Pur con i suoi limiti e difetti, il Commodore 1541 si impose subito come lo standard per il Commodore 64…
Commodore 1541 disk drive maintenance, part 1
Despite the design flaws it was plagued with, the Commodore 1541 has always been regarded as the standard device for disk…
Commodore 64 fix: blank screen, bad cassette switch sense
Today I fixed a 250407 board Commodore 64 with multiple issues. At the beginning, the good old blank screen was…
Building a Commodore 64 testboard, chips desoldering tips
When repairing a Commodore 64 home computer, there is a tool that is very helpful: another working Commodore 64, but…
A 64K Commodore 16: how to expand its RAM memory
In 1984, Commodore introduced the Commodore 16 computer. A 16 K RAM computer may seem strange in 1984, but, it…
Commodore 1541 disk drive maintenance, part 2: head alignment
Commodore 1541 alignment issues are less common than what you may think. Before going into the alignment process, some simpler…
My Amstrad CPC 464, first tests and some pictures. PSU and a simple monochrome video cable.
I have recently bought this nice Amstrad CPC 464 computer. So, I was able to update my article on 8…
Commodore VIC 20 tales: board revisions, some pictures, simple repair tips
The Commodore VIC 20 was the first computer by Commodore to enter the home computer market. It was designed around…
Commodore 64 fix: RESTORE key and power switch
RUN/STOP+RESTORE is a useful key combination that allows you to escape from BASIC programs and some ML programs. For instance,…