HP Elitedesk 805 G8 Ryzen Locked BIOS
2023-11-18: This story starts on eBay with the need for a new small computer...and ends with an auction listing I won for $300 on a used HP Elitedesk 805 G8...
Phase Perfect PTE 480PTINV_V2.0 IGBT Circuit Board
2023-11-13: Strangely, I haven't seen many phase converters recently and had two of them thrown at me in the last 2 weeks. I decided I should probably try to figure...
Prototrak KMX Dead Battery
2023-07-13: If, in the course of owning a Protrak Knee Mill with the KMX control, you should run into a weird problem where the WDT_fault light is doing a fast...
Random ROMs
2023-06-09: I purchased quite a few 27C256 ROMs over the last while to fix some computer boards. Some came erased. Some didn't. These are the ones that didn't come erased......
Mitsubishi QX141 Exploration
2023-03-08: I had an opportunity to troubleshoot a Mazak SQT18M Mark II with the Mazatrol T PLUS Control / Mitsubishi Numerical Control System M535LHY a while back... Just stumbled on...
M18_REV05_JUN_26_2015 Reverse Engineering
2023-03-08: I'm trying to work on a different version of the M18 Battery Controller board. This particular battery is a Milwaukee 5INR19-65 with serial number #G29KDCAC 170807 0323201. Here is...
Znter C Battery Teardown
2023-02-15: Just received a couple Znter 'C' Rechargeable Lipo Batteries... Of course, the first step is to tear them apart to see what is inside them. These batteries have a...
Milwaukee 860323004 Rapid Charger Teardown
2023-02-04: While continuing the reverse engineering of the Milwaukee M18 batteries, It quickly became apparent that I needed to work on some accessories that go with it. While I have...
Westek 6503 vs 6503h Touch Dimmers
2022-12-03: Curiosity is always good. At least that's what I've been told. Course in this case it was more ignorance and a simple question: 'What is the difference between the...