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Clean the RAM slot and connectors thoroughly (electronic solvent cleaner is your friend), I had a similar issue with a 64MB modules in a PowerBook 3400c. Also check part number is for the 3400c not Kanga (G3), which are also at times not fully compatible.

Thanks for your considered comments, I understand we have to start somewhere and the more learnt the better. We're lucky to have you on board here! Yes, I love the PiStorm in an A1200 as I'd never be able to afford/justify a souped up '060 in the same computer, but appreciate there are many...

With the original PCI bus, there are significant overheads and you'll never attain the stated maximum throughput of 133MB/s, let alone 166MB/s using an "ATA/166" card; good quality SD and CF cards used in good quality adapters provide improved performance over IDE-based spinning media any day of...

Any speed above 16Mhz that's RC will work (FE is surface mount); a higher speed unit will run well at 16Mhz.

I’m fairly sure the Newton doesn’t have a file structure like that to copy individual programs and beam them to another Newton. Short of not finding a dongle for your 2100, I would suggest looking for a later model PowerBook with IRDA built-in.

Enjoying the discussion - however have to ask with 68060 full fat CPU prices being stupid crazy high (and further starving the Amiga crowd if vintage Mac users start to grab) would efforts be better spent on a PiStorm-like solution for the Mac over bare metal upgrades such as these?

What model gamepad? I can't find any relevant USB drivers for it, but you could try this utility: https://macintoshgarden.org/apps/usb-overdrive-x

Did you see this thread - Mac OS 8/9 launcher app just released: https://68kmla.org/bb/threads/new-application-for-mac-os-8-9.51285/#post-579143 An OS X launcher for Classic and later games would be good too. Only thing is many early OS X games are very incompatible with later releases so not...

Thanks, that did it - added a Meanwell 5V 3A mini PSU and wired up similarly to RealityStorm's unit (active/brown to 240V power switch and neutral to transformer). It's working well, the Novy upgrade really is fun and triples the speed of the Plus. I discovered the issues I was having were not...

I don't think so, it appears you're trying to max the systems out all at once which leads to incompatibilities much like they acted when new. Presuming the systems were well stored, kept running periodically I'm yet to consider a recap on later PPC hardware - not saying it's not necessary, but...

That’s a lot o troubleshooting in one post - maybe suggest focusing on one at a time, deep cleaning of all checking caps voltages and testing each unit stripped down to basics and adding components one at a time. Also keep to standard software not hacks/parches/flashed cards see if you can get...

Multimeter lacks ammeter, but I've the requisite 5V 3A Meanwell PSU in hand - looking at @Realitystorm 's PSU - why do you think the neutral wire goes to the transformer? I'm assuming the brown wire is "active/hot".

No sorry - it was returned to the seller years ago

The most compatible SDRAM So-DIMM modules for these were the double-height, single sided modules - have a look around for second-hand modules that look the part. It was very common for random brands to not work in the Wallstreet which is known to be quite picky with RAM.

Thanks everyone and happy 2026! @Realitystorm you've read my mind, that was next question on how/where the PSU was wired up internally @Phipli bit of a weird one, from cold the Mac Plus + Novy won't reliably start (the accelerator has orange and red LEDs - the red quickly fizzles out), after a...

Hi, I’ve an early Novy 68020 accelerator in a Mac Plus, I’ve had it piggybacked off the Plus motherboard harness +5V and experiencing power issues. The Plus analog board is recapped and with the accelerator running it takes a few power cycles to get it running, voltages are rock solid but I...

Either/or get it going off the accelerator first then introduce the FPD card later

@larwe got it thanks - some useful programs on there - will see how easy it is to get going on a Zulu/BlueSCSI.

How did you download an image off Infinitemac? I'm keen

Yep, keeps using onboard 4MB. Real world performance is improved but don’t expect SE/30 snappiness. I’ve just put one in my Plus and it’s good to be able to switch between 68000 and 68030 easily.