The firmware in my RAMCHECK is very old, there were many updates since then. Unfortunately, the firmware was not published on the internet before Innoventions closed down. So, this is my adventure about obtaining new firmware. Original Firmware My RAMCHECK runs version 2.06E. It is pretty good, but I have noticed when running the advanced […] Source| LinuxJedi's /dev/null
Whilst repairing vintage machines, a lot of RAM passes by my benches. Most of it works great, some of it is in not so good condition. It is possible to test RAM in a system, but that may not tell the…| LinuxJedi's /dev/null
Fellow vintage computer collector, Gammitin, challenged me to fix four VLB graphics cards, as well as upgrade the RAM on them. If I could do it, I could keep one for my 486 PC build. Can I do it? Let’…| LinuxJedi's /dev/null
According to some, the ARK1000VL is considered the fastest VLB graphics card chip you can get. I recently repaired several other VLB graphics cards, so when an ARK1000VL based card came up…| LinuxJedi's /dev/null
If, like me, you have a newer Intel hybrid CPU, with P-Cores and E-Cores, you may hit an issue running rr in Linux to debug things. Here is how to solve it. About rr If you haven’t used it before, and you are used to using gdb to debug, you should definitely try out rr. […] Source| LinuxJedi's /dev/null
I have restored the boxed Amiga 1000 main unit and the mice that came with it. Now is the turn of the keyboard. About the keyboard The Amiga 1000 keyboard came from a time before the standard layout we know today was fully formalised. The cursor keys are closer to the main character keys, and […] Source| LinuxJedi's /dev/null
I was recently sent an Amiga 4000 motherboard repair. It should have been quite straightforward, but as we will see, not everything went to plan. The Motherboard The motherboard has had minor battery repairs in the past, and was working. One interesting thing I’ve not seen before is someone patched in an OKI RTC chip […] Source| LinuxJedi's /dev/null
I recently received a boxed Amiga 1000 which was in excellent condition, but required a little work. It came with two original Amiga 1000 mice and the keyboard, all of which needed work.| LinuxJedi's /dev/null
Over the last couple of years I’ve slowly been building up a collection of every 16bit Amiga model. The most recent of these turned up this week, an Amiga 1000! The Amiga 1000 was initially just…| LinuxJedi's /dev/null
I have a local friend who is a private collector of vintage computers and consoles, and he has an incredible collection. He visited me recently to drop off a few awesome things. One of which is a ZX…| LinuxJedi's /dev/null
I’ve had a few people send me things in to repair lately. Amongst these was an Amiga 4000 motherboard, RAM and CPU card with lots of minor issues. Here is how I diagnosed and fixed them.| LinuxJedi's /dev/null
Lately, I’ve been very busy, but haven’t had many interesting things to blog about happen. That will change soon, but today I thought I would cover a repair that came in for an A3640 CPU card.| LinuxJedi's /dev/null
Hot on the heels of repairing the Cirrus Logic VLB card, I acquired a dead Trident TGUI9440 based VLB graphics card to see if I could repair it. This is the card I received. It is a 1MB card which is…| LinuxJedi's /dev/null
A couple of days ago, I got banned from the WordPress community Slack. As this is about WordPress, I figure I should use my WordPress blog to talk about it. Everything that day revolved around a small…| LinuxJedi's /dev/null
In my previous blog post, I showed how to make a new, high-spec power supply for Amiga 500 / 600 / 1200 computers. Now I want to do some testing and there are a few improvements that can be made. L…| LinuxJedi's /dev/null
A lot of people use Meanwell power supplies as the replacements for the poor quality ones that came with the Amiga. Typically, the 50W variants such as the RPT-60B are used because it fits nicely i…| LinuxJedi's /dev/null