FM Towns Power Supply – Generation 1

The Tower models seem to use a lot of interchangeable components such as floppy drives, power supplies for certain models and specifically CD ROM sled assemblies. However the very first FM Towns towers have used a totally different power supply. Luckily I bought a Model 2 and have made a bulletproof solution. This will onlyContinue reading “FM Towns Power Supply – Generation 1”

FM TOWNS Tower Power Supply Assembly Guide

This new power supply runs with an AC/DC Converter and ITX Pico-PSU. The AC/DC Converter used is the Meanwell EPS-120S-12 and the Pico Psu rated for 120 watts. The Arduino Pro Micro manipulates the PS_ON line from the Pico PSU whenever the power button is pressed and TownsOS Power off is initiated. This exact conceptContinue reading “FM TOWNS Tower Power Supply Assembly Guide”

The FM Towns Power Supply Problem has been solved

Towns are known to have dodgy power supplies. For example simply changing capacitors doesn’t always magically fix them. Unless you’re a very VERY well trained technician for Switched mode power supplies you’re not gonna fix it. Sorry. Unless you like chasing down 25-30 year old chips and switches you’re probably not gonna fix that originalContinue reading “The FM Towns Power Supply Problem has been solved”

Compiled list of FM Towns Information websites

Most information for the FMT are going to be in Japanese. Just translate to your native language. If you can find other resources let me know I can make an edit and place it here! Deunan did an excellent summary write-up of FM Towns models and capabilities. This is perhaps the best English article I’veContinue reading “Compiled list of FM Towns Information websites”

FM Towns File Structures

Towns has no on-board operating system at all and you must launch the OS from software. Generally that will be from floppy disc, CD or hard drive. While it is possible to launch operating system from hard drive after it’s installed, the operating system is always launched from software generally on CD or floppy disc.Continue reading “FM Towns File Structures”

CPU Upgrade Options for FM Towns

FM Towns revolves around the 386 architecture with the CPU taking 5 volts. Generally you have two different packages or chip sizes and types for CPUs which are the SQFP and PGA. Only generation 1 and 2 tower models have sockets with the remaining ones having their CPU soldered. -Models 1 and 2 (very firstContinue reading “CPU Upgrade Options for FM Towns”