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The Macintosh SE is slow. Let's speed it up!

This is the Macintosh SE that we had as a family computer since it was new in 1987. As a youth, I absolutely loved this machine but I always was bothered by how slow it was, especially after upgrading it to System 7. Today, I'm going to fix that be trying to install a mysterious vintage accelerator into it to see how much of a boost it can really get. 0:00 Intro 1:24 A little background on the Macintosh SE 7:36 Radius SE Accelerator 9:28 Radius Two Page Display card for the SE Accelerator 11:19 Orion by MacPEAK Systems 17:41 Testing untested Mac SE motherboard 22:56 Testing the Orion accelerator 24:16 Testing the Radius SE Accelerator 25:02 Troubleshooting issues with the Orion accelerator 26:36 Orion accelerator memory size jumper testing 30:15 Replacing Mac SE ROMs using EPROMS 36:04 Face off! Macintosh Classic vs the accelerator Mac SE 39:43 Sound issues with the accelerator 50:40 Conclusion --- Video Links Thread trying to identify the MacPeek Orion accelerator: https://68kmla.org/bb/index.php?threa... Macintosh ROM collection: https://www.macintoshrepository.org/7... Vintage Macintosh accelerator drivers: https://vintageapple.org/macdrivers/ Spreadsheet showing Mask ROM to EPROM wiring: https://docs.google.com/spreadsheets/... Adrian's Digital Basement ][ (Second Channel)    / @adriansdigitalbasement2   Support the channel on Patreon:   / adriansdigitalbasement   -- Tools Deoxit D5: https://amzn.to/2VvOKy1 http://store.caig.com/s.nl/it.A/id.16... O-Ring Pick Set: (I use these to lift chips off boards) https://amzn.to/3a9x54J Elenco Electronics LP-560 Logic Probe: https://amzn.to/2VrT5lW Hakko FR301 Desoldering Iron: https://amzn.to/2ye6xC0 Rigol DS1054Z Four Channel Oscilloscope: https://www.rigolna.com/products/digi... Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier: https://amzn.to/3adRbuy TL866II Plus Chip Tester and EPROM programmer: (The MiniPro) https://amzn.to/2wG4tlP https://www.aliexpress.com/item/33000... TS100 Soldering Iron: https://amzn.to/2K36dJ5 https://www.ebay.com/itm/TS100-65W-MI... EEVBlog 121GW Multimeter: https://www.eevblog.com/product/121gw/ DSLogic Basic Logic Analyzer: https://amzn.to/2RDSDQw https://www.ebay.com/itm/USB-Logic-DS... Magnetic Screw Holder: https://amzn.to/3b8LOhG https://www.harborfreight.com/4-inch-... Universal ZIP sockets: (clones, used on my ZIF-64 test machine) https://www.ebay.com/itm/14-16-18-20-... RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI) http://www.retrotink.com/ Plato (Clone) Side Cutters: (order five) https://www.ebay.com/itm/1-2-5-10PCS-... Heat Sinks: https://www.aliexpress.com/item/32537... Little squeezy bottles: (available elsewhere too) https://amzn.to/3b8LOOI --- Links My GitHub repository: https://github.com/misterblack1?tab=r... Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group https://www.commodorecomputerclub.com/ --- Instructional videos My video on damage-free chip removal:    • How to remove chips without damaging ...   --- Music Intro music and other tracks by: Nathan Divino @itsnathandivino