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... with SCIENCE OK, I don't believe this should be under Nubus Macs, but there isn't a section that really matches the architecture of the 6200, 6300, 5200, 5300 family of machines. About a year or more ago I spent a load of time doing comparative benchmarking of the 6200 and 6100 to try to...

Just out of curiosity, the LC / Performa category says to go to the Beige PowerPC section for PowerPC Performas... But then you go to the PowerPC forum section and get this : So, where does the 6200, 5200, 6300 and 5500, plus all the variants, sit? 🤣 Edit - I guess we could call them LC-PDS...

Good afternoon folks! Does anyone have... 1. An LC family Macintosh like the LC 475 or older... 2. An Apple II LC PDS card 3. An oscilloscope 4. Some spare time! I'm curious to find out about the electrical characteristics of the audio output from the card. It comes out of the card on Pin A1...

This is a test release of a slightly underwhelming System Extension that tweaks the memory timings of a Wombat family mac to speed them up. This extension should work on.... the 475, 476, 575, 577, 605, 610, 650 and 800. Just to warn you, I only saw about 3% performance lift overall, although...

I managed to speed bump my PM4400/200 to 240MHz. Turns out the answer was written on the silkscreen of the Motorola StarMax! You can set the speed to anything between 80MHz and 240MHz (in mostly 20MHz steps). I got an 11% improvement in Norton System Info's CPU benchmark overall (from Norton...

I bought a NOS Zip Drive on Facebook Market Place - one of the old shape ones that is translucent and USB (to match the early iMacs). I was pretty excited because it was still sealed and so were the provided 3 disks and the manual / drivers. It arrived a short while ago, I opened it and plugged...

Last couple of days I've been messing with a 9751 Lego serial interface from about 1994 on my LC 475. Lots of fun. I don't have many official sensors to go with it, but I've made a couple of my own. Yesterday I got it working after working out that the TX and RX were backwards as if it was a...

Made some good progress last night. I plugged in a Data Harvest FlowGo I'd picked up a while back. It didn't have any software with it and I hadn't done anything with it. I enjoy playing with old educational interface boxes - it was a big thing here in the UK in the 80s and 90s for teaching...

When uploading photos from my phone, they're usually high res, 6MB files. While I sometimes want and need this, this is usually excessive and the only reason I haven't reduced the quality is because the process is convoluted on my phone. Is optional down sampling at upload feasable? There are...

I picked up a Centris 650 a few weeks back and have been making a few upgrades. So far I have done the following : Upgraded the RAM to 104MB Added an AudioMedia II sound card Added the missing Reset / Interrupt buttons Added a Stage II Rocket Fitted a tray loading CD bezel Fitted a 600i CD...