Uploaded July 2022 | Updated September 2026, 2 weeks ago
Watch me TEST the SE Reloaded motherboard in this Part 4 finale!
No Reloaded board? No problem! I mention things you may not know about the Mac SE, show you how to make serial loopback connectors, and even demonstrate a 16MHz PDS accelerator.
SE Reloaded Parts I, II & III are here: bit.ly/3xHSp02
🔎 INDEX
0:00 — Intro
4:00 — Power-on
4:25 — ADB Mouse
4:39 — FloppyEMU
8:29 — ADB Kybd, Int. SW & Easter Eggs
9:55 — Reset SW
10:07 — Ext. Floppy Drive
11:34 — Sound Volume
13:56 — Headphone Jack
17:49 — SCSI/BlueSCSI
21:12 — PRAM Batt.
29:43 — MacSD & OverEasy II
35:49 — Serial Ports & Loopback Conn.
45:30 — TechStep
50:43 — PDS 16MHz SpeedCard
1:03:16 — Closing Thoughts
🗣️ SE Reloaded discussion on TinkerDifferent: bit.ly/3yLLjJ0
🧔💰Send love to the creator, Kai Robinson, by Paypal: ktr27582@gmail.com
🛒 BUY
• MOUSER CART in "My BOM" under "📚 REFERENCE" below.
• SE Reloaded board from MacEffects (red): bit.ly/39yehBv
• FloppyEMU: bit.ly/2BA8yru
• Mono to Stereo 3.5mm Adapter: amzn.to/3RAiCFM
• PRAM Battery (1/2 AA 3.6V): amzn.to/3cmNMk3
• OverEasy II (by Stephen Arsenault, assembled in Japan by Kay Koba): bit.ly/3yXVnx4
(The version I have is "Rev.B".)
• SCSI Cable (THE BEST 50-pin cable for internal drives!): bit.ly/3aTcmIS
• BlueSCSI External (Made in Japan): bit.ly/3On5xg6
• BlueSCSI Internal (Made in Japan): bit.ly/3B7N4kR
• MacSD (Overclockable, CD Changer features & more!): macsd.com
• Serial Cable (to make loop-back plugs for Snooper2): amzn.to/3znGeXn
• Heat Shrink Tubing Kit: amzn.to/34Cwzzj
• Replacement Feet for SE case bottom (hand-made in Japan!): bit.ly/3B0fQ73
• Clear Programmer's Switch (MacEffects): bit.ly/3cGkAEQ
📷 MY CAMERA GEAR (used in making most of my videos):
• Panasonic GH5: amzn.to/39TAGtK
• GH5 II (newer version of my camera): amzn.to/3brSTyJ
• Olympus 60mm F2.8 Macro (used for all closeups): amzn.to/3u805Xb
• Olympus 12-100mm F4 (great all-around zoom lens!): amzn.to/39WJAGN
• Olympus 40-150mm F2.8 (fast glass with a long reach!): amzn.to/3Af3GqB
• Sony Tough 256GB SD Card (amazingly good!): amzn.to/3OyKwjO
• LAV Mic (BOYA by-M1 Pro): amzn.to/3bzfb1G
• Tripod (carbon fiber!): amzn.to/3QVuz8Q
(Tripod video review is here: youtu.be/6xS3R1kUlBI )
💵 NOTE: Your price on Amazon (US only) is the same even if you don't click the "amzn.to" Affiliate links above, but if you do click & purchase within 24 hours, Amazon may pay me a small commission on qualifying items in your Cart.
📚 REFERENCE
• My BOM (with Mouser Cart): bit.ly/3MF7BA9
• Serial Loop-back thread (for Snooper2) on TinkerDifferent: bit.ly/3PCFbrJ
• TechStep ROM Cartridge reverse-engineering: bit.ly/3Pzj9WS
• TechStep Recreation: bit.ly/3B209fs
• max1zzz's ROM replacement Github: bit.ly/3Ou4hc7
• Kai's ADB chip replacement Github: bit.ly/3HZjvTU
• Kai's Main Github page: bit.ly/4mqHgIy
• Kai's Videos on SE Reloaded: bit.ly/3yQqOea
• Kai's Guide to Apple Custom ASICs: bit.ly/3yqdoVJ
• Mac SE Service Source Manual: bit.ly/3MykhsC
• Guide to Macintosh Family Hardware: bit.ly/3lv4xLc
• Computer Chronicles video on the SE: youtu.be/JjHzPuGi5Js
• Motherboard Horror Pics 😱: bit.ly/3LxK2Yw
• SpeedCard audio problem: bit.ly/3vb2VLO
💾 SOFTWARE
• System 7.1 Install on 800K disks (not for SE FDHD!): bit.ly/3O97ehi
• PRAM 5 (to properly set the date): bit.ly/3aSlTzH
• Snooper 2.0: bit.ly/3cmz0tg
• SpeedCard control panel: bit.ly/3z0Xn7O
🙏 MY SINCERE THANKS to these recent Paypal contributors (July 2022):
• Mauro Acciaccaferri (monthly supporter)
• Philippe Astier (new monthly supporter)
💰HOW TO SUPPORT THIS CHANNEL
paypal.me/supportJDW
(If you do very kindly donate, it would be a wonderful help if you could let me know if I have permission to use your full name, or use something like John in Texas, when I give you public thanks in a future video. Pronunciation help is also appreciated!)
📺 Please SUBSCRIBE:
youtube.com/c/JDW11/?sub_confirmation=1
🎬 MY VIDEOS
youtube.com/user/JDW26/videos
🎶 Music Credits
• Against the Wall, CC BY 3.0 by BoXCat Games: boxcat.bandcamp.com
• The Hex, CC0 by Steven Ruud (pixelsphere): bit.ly/3vdMTk9
• Sweet Elegance, CC BY-SA 3.0 by Arthur Vyncke: bit.ly/3J4g0Mw
• The Missing Connection, CC BY-SA 3.0 by Arthur Vyncke: bit.ly/3aZlLid
#Macintosh #SEreloaded #Motherboard #JDW
Watch me TEST the SE Reloaded motherboard in this Part 4 finale!
No Reloaded board? No problem! I mention things you may not know about the Mac SE, show you how to make serial loopback connectors, and even demonstrate a 16MHz PDS accelerator.
SE Reloaded Parts I, II & III are here: bit.ly/3xHSp02
🔎 INDEX
0:00 — Intro
4:00 — Power-on
4:25 — ADB Mouse
4:39 — FloppyEMU
8:29 — ADB Kybd, Int. SW & Easter Eggs
9:55 — Reset SW
10:07 — Ext. Floppy Drive
11:34 — Sound Volume
13:56 — Headphone Jack
17:49 — SCSI/BlueSCSI
21:12 — PRAM Batt.
29:43 — MacSD & OverEasy II
35:49 — Serial Ports & Loopback Conn.
45:30 — TechStep
50:43 — PDS 16MHz SpeedCard
1:03:16 — Closing Thoughts
🗣️ SE Reloaded discussion on TinkerDifferent: bit.ly/3yLLjJ0
🧔💰Send love to the creator, Kai Robinson, by Paypal: ktr27582@gmail.com
🛒 BUY
• MOUSER CART in "My BOM" under "📚 REFERENCE" below.
• SE Reloaded board from MacEffects (red): bit.ly/39yehBv
• FloppyEMU: bit.ly/2BA8yru
• Mono to Stereo 3.5mm Adapter: amzn.to/3RAiCFM
• PRAM Battery (1/2 AA 3.6V): amzn.to/3cmNMk3
• OverEasy II (by Stephen Arsenault, assembled in Japan by Kay Koba): bit.ly/3yXVnx4
(The version I have is "Rev.B".)
• SCSI Cable (THE BEST 50-pin cable for internal drives!): bit.ly/3aTcmIS
• BlueSCSI External (Made in Japan): bit.ly/3On5xg6
• BlueSCSI Internal (Made in Japan): bit.ly/3B7N4kR
• MacSD (Overclockable, CD Changer features & more!): macsd.com
• Serial Cable (to make loop-back plugs for Snooper2): amzn.to/3znGeXn
• Heat Shrink Tubing Kit: amzn.to/34Cwzzj
• Replacement Feet for SE case bottom (hand-made in Japan!): bit.ly/3B0fQ73
• Clear Programmer's Switch (MacEffects): bit.ly/3cGkAEQ
📷 MY CAMERA GEAR (used in making most of my videos):
• Panasonic GH5: amzn.to/39TAGtK
• GH5 II (newer version of my camera): amzn.to/3brSTyJ
• Olympus 60mm F2.8 Macro (used for all closeups): amzn.to/3u805Xb
• Olympus 12-100mm F4 (great all-around zoom lens!): amzn.to/39WJAGN
• Olympus 40-150mm F2.8 (fast glass with a long reach!): amzn.to/3Af3GqB
• Sony Tough 256GB SD Card (amazingly good!): amzn.to/3OyKwjO
• LAV Mic (BOYA by-M1 Pro): amzn.to/3bzfb1G
• Tripod (carbon fiber!): amzn.to/3QVuz8Q
(Tripod video review is here: youtu.be/6xS3R1kUlBI )
💵 NOTE: Your price on Amazon (US only) is the same even if you don't click the "amzn.to" Affiliate links above, but if you do click & purchase within 24 hours, Amazon may pay me a small commission on qualifying items in your Cart.
📚 REFERENCE
• My BOM (with Mouser Cart): bit.ly/3MF7BA9
• Serial Loop-back thread (for Snooper2) on TinkerDifferent: bit.ly/3PCFbrJ
• TechStep ROM Cartridge reverse-engineering: bit.ly/3Pzj9WS
• TechStep Recreation: bit.ly/3B209fs
• max1zzz's ROM replacement Github: bit.ly/3Ou4hc7
• Kai's ADB chip replacement Github: bit.ly/3HZjvTU
• Kai's Main Github page: bit.ly/4mqHgIy
• Kai's Videos on SE Reloaded: bit.ly/3yQqOea
• Kai's Guide to Apple Custom ASICs: bit.ly/3yqdoVJ
• Mac SE Service Source Manual: bit.ly/3MykhsC
• Guide to Macintosh Family Hardware: bit.ly/3lv4xLc
• Computer Chronicles video on the SE: youtu.be/JjHzPuGi5Js
• Motherboard Horror Pics 😱: bit.ly/3LxK2Yw
• SpeedCard audio problem: bit.ly/3vb2VLO
💾 SOFTWARE
• System 7.1 Install on 800K disks (not for SE FDHD!): bit.ly/3O97ehi
• PRAM 5 (to properly set the date): bit.ly/3aSlTzH
• Snooper 2.0: bit.ly/3cmz0tg
• SpeedCard control panel: bit.ly/3z0Xn7O
🙏 MY SINCERE THANKS to these recent Paypal contributors (July 2022):
• Mauro Acciaccaferri (monthly supporter)
• Philippe Astier (new monthly supporter)
💰HOW TO SUPPORT THIS CHANNEL
paypal.me/supportJDW
(If you do very kindly donate, it would be a wonderful help if you could let me know if I have permission to use your full name, or use something like John in Texas, when I give you public thanks in a future video. Pronunciation help is also appreciated!)
📺 Please SUBSCRIBE:
youtube.com/c/JDW11/?sub_confirmation=1
🎬 MY VIDEOS
youtube.com/user/JDW26/videos
🎶 Music Credits
• Against the Wall, CC BY 3.0 by BoXCat Games: boxcat.bandcamp.com
• The Hex, CC0 by Steven Ruud (pixelsphere): bit.ly/3vdMTk9
• Sweet Elegance, CC BY-SA 3.0 by Arthur Vyncke: bit.ly/3J4g0Mw
• The Missing Connection, CC BY-SA 3.0 by Arthur Vyncke: bit.ly/3aZlLid
#Macintosh #SEreloaded #Motherboard #JDW

![ZEN Movie, by Michael Green [1986]
Composed entirely of MacPaint images from his ground-breaking book, Zen & the Art of the Macintosh, Michael Green used MacMovies from Beck-Tech to assemble this stunning movie animation. When first publicly shown at the January 1986 Macworld Expo, Beck-Tech engineer Henry Spragens was so impressed he paid over $1000 for a 20MB hard drive just to be able to store and playback the movie on his own Mac. This and more can be found at Henrys website here: https://www.audioimprov.com/AudioImprov/Macintosh/Macintosh.html
💾 DOWNLOAD the original movie files here: https://macintoshgarden.org/apps/zen-movie
📖 Zen & the Art of the Macintosh is freely viewable here: https://bit.ly/36r8tVA
💵 BUY the original book on Amazon: https://amzn.to/3eFqpjH
(Affiliate link)
🙇♂️ Dear Subscribers and Friends,
I sincerely apologize for the delay in releasing my next product video overview. This ZEN Movie video is a smaller work that is my way of offering at least some content to you in July 2021. Ive had some time consuming projects that slowed my filming pace, but more content is indeed coming! Your kind understanding and patience is sincerely appreciated.
I will offer more detailed appreciation at the end of my next video; but for now, I wish to HUMBLY THANK two amazing individuals for their extremely kind and generous PayPal contributions to this channel:
🙏 Mauro Acciaccaferri — a monthly PayPal supporter since March 2021!
🙏 Kai Robinson — who made an extremely generous contribution in June 2021!
Kai is an extraordinary content creator who reverse engineered the entire Mac SE motherboard! Check out this great content related to Kai and his amazing project:
• Github: https://github.com/kr239
• Video Interview: https://youtu.be/XGbGo3tugF0
• Hackaday: https://bit.ly/2UyFoFi
💁♂️SUPPORT THIS CHANNEL💰
https://www.paypal.me/supportJDW
📺 SUBSCRIBE:
http://www.youtube.com/c/JDW11/?sub_confirmation=1
#zen #art #macintosh #JDW ZEN Movie, by Michael Green [1986]](https://i.ytimg.com/vi/lGRMW6ka9Rc/mqdefault.jpg)




![AMD 6970M Repasting & PROBLEM in 2009 iMac 27 [Video Card]
I explain a Radeon 6970M video card compatibility problem used in a late 2009 27 iMac. Repasting helps but doesnt completely solve the sudden power-down problem. (Sorry about the background noise, but thats Japan for you!)
🏥 PROBLEM: The 6970M causes the iMac to suddenly power-off when the video card gets too hot, unlike the stock 4850 video card which would never kill power to the Mac. Before repasting, the iMac would shut-off at around 52°C or 61°C, depending on the software running. After repasting (with Thermal Grizzly Kryonaut on the GPU and K5 Pro on the memory chips), the GPU Heatsink temperature at which the shutdown would occur became 77°C. This is still a problem though because the iMac shouldnt suddenly shutoff at all. I therefore cannot recommend the 6970M in 2009 or 2010 iMacs. I will retain mine though for further testing and to at least be able to use my iMac.
🎥 My previous video on the 6970M: https://youtu.be/9dPsH1zIQMs
👕 Apple T-Shirt worn in this video is a shirt Ive had since my college days, acquired sometime around 1990. Heres a photo showing the back side too: https://cl.ly/95c617
💳 EBAY listing of the 6970M I purchased:
https://www.ebay.com/itm/163991633495
🍎 Apple Forum Discussion about replacement video cards that work in the late 2009 27 iMac: https://discussions.apple.com/thread/3029120
♨️ If your 2008~2011 iMacs video card is dead and youve never baked it before, I suggest you perform the bake before spending the money on a replacement video card. My BAKE VIDEOS are here: https://bit.ly/2UEOf4o
🔥 THERMAL PASTES I strongly recommend:
K4 & K5 Pro Kit: https://amzn.to/38WkEZO
-or-
K5 Pro (for chips other than GPU): https://amzn.to/33OIDJ6
& Thermal Grizzly Kryonaut (for GPU only): https://amzn.to/36NMQwu
😎 Fan Control & Temperature Viewer Apps to keep your iMac running cooler I can vouch for all of these:
• Macs Fan Control: https://crystalidea.com/macs-fan-control
• smcFanControl: https://www.eidac.de
• iStat Menus: https://bjango.com/mac/istatmenus/
🛠 TOOLS to open/close iMac:
• 2 strong suction cups for front glass removal: https://amzn.to/2tkcmvJ
• Torx T10 for LCD removal (T9 works but T10 is best) & T9 for video card removal. The following kit contains more than needed for the iMac, but its highly rated, has grippy handles and magnetic tips, and no 1 month+ wait from China: https://amzn.to/2UCaurK
-or-
Alternative kit, WRENCH style (cheaper): https://amzn.to/2wIgWWe
-or-
Alternative kit, BIT style (youll need a handle): https://amzn.to/2vRkUeC
🔦 OTHER ITEMS needed or recommended:
• Anti-static wrist strap (connect wire to earth ground): https://amzn.to/2uSTy74
• Dust blower - Giottos Rocket Blaster Large: https://amzn.to/2OgHHXt
• Microfiber cloth (for cleaning the screen/glass)
• Flashlight (to peer into the dark spaces inside the iMac)
► I used a Samsung EVO 850 1TB SSD to replace the stock Apple hard drive, but the 860 EVO or Crucial MX500 are equivalent. To use an SSD in late 2009 27 iMac, youll also need a special mounting bracket and a separate temperature sensor:
• Bracket: https://amzn.to/37Zn4qg
• Sensor for 2009-2010 iMacs: https://amzn.to/3b3knWU
• EVO 860 (1TB): https://amzn.to/2RKem9M
-or-
• Crucial MX500 (2TB): https://amzn.to/3bxHybf
💵 NOTE: Your price on Amazon (US only) is the same even if you dont click the amzn.to Affiliate links above, but if you do kindly click and purchase within 24 hours, Amazon may pay me a small commission on all qualifying items in your Cart (even items not linked above).
💰SUPPORT THIS CHANNEL
If you wish to buy me a drink or otherwise support my content creation: https://www.paypal.me/supportJDW
🙏 My sincere thanks to the following Paypal subscribers since the end of March 2020 to present:
• Cesar Cedraro
• Owen Roberts
• James Hart
• Jim Mihori
Jim Mihori is a ukulele instructor, musician, and treasurer of a nonprofit Hawaiian cultural school in Arlington, VA called Halau O Aulani. Their mission over the last 24 years has been to perpetuate Hawaiian culture by teaching and performing hula, music, and chants. To participate, donate and learn more, please visit their website here:
https://halauoaulani.org/
📺 Please SUBSCRIBE:
http://www.youtube.com/c/JDW11/?sub_confirmation=1
#Apple #Macintosh #iMac #VideoCard #JDW AMD 6970M Repasting & PROBLEM in 2009 iMac 27 [Video Card]](https://i.ytimg.com/vi/n2a8oEI2y6U/mqdefault.jpg)


![Bruce Raynes NEW CASE for SPIISD v2, for Apple II Computers #retro #appleII #3dprinting
Bruce Raynes put STLs on Thingiverse that let you 3D-print a nice looking case for Kay Kobas SP][SD v2 Smartport drive kit. Bruce made separate STL files for the 0.96 & 1.54 OLED displays, both of which are offered at Keros Mac Mods (Japan).
*LINKS*
• Bruces Thingiverse: https://www.thingiverse.com/thing:7164121
• SP][SD v2 product: https://en.infinityproducts.co.jp/product-page/spiisd-v2-diy-kit
• JLC3DP: https://jlc3dp.com Bruce Raynes NEW CASE for SPIISD v2, for Apple II Computers #retro #appleII #3dprinting](https://i.ytimg.com/vi/oAOgRpyHkhY/mqdefault.jpg)
