Uploaded March 2012 | Updated September 2026, 2 weeks ago
The only unfortunate part about Siri on the new iPad is that you can't ask it questions -- it's only dictation. Apple doesn't think iPad owners will always have a net connection, so they decided to limit Siri to dictation only. However, with all the free WiFi hotspots around these days, who doesn't have a net connection, even with the WiFi-only iPad? Nevertheless, I am still impressed with English and Japanese dictation, which works fine even with my Americanized Japanese accent.
The only unfortunate part about Siri on the new iPad is that you can't ask it questions -- it's only dictation. Apple doesn't think iPad owners will always have a net connection, so they decided to limit Siri to dictation only. However, with all the free WiFi hotspots around these days, who doesn't have a net connection, even with the WiFi-only iPad? Nevertheless, I am still impressed with English and Japanese dictation, which works fine even with my Americanized Japanese accent.
![GCC HyperDrive 10: History, Installation & Software [Part 3 of 3]](https://i.ytimg.com/vi/9c2eMR5h_NI/mqdefault.jpg "GCC HyperDrive 10: History, Installation & Software [Part 3 of 3]
A video game developer created the first internal hard drive for the Macintosh. Watch how that drive kit installs in a Mac512 and see how the included software works. This video is the third and final segment on General Computers HyperDrive.
🎬 Part 1 (10MB HDD Recap): https://youtu.be/okWqwhMlvK0
🎬 Part 2 (PSU Recap): https://youtu.be/19n_qTfP7Vw
🔎 INDEX
0:00 Intro & GCC History
3:29 HyperDrive Kit Overview
5:26 Installation
29:17 Software Overview
57:50 Closing Remarks & Thanks
🛒 THINGS TO BUY
• DeoxIT D5: https://amzn.to/3f92aeN
(I used this on all HyperDrive connectors & Killy clip too! Highly recommended!)
• Anti-static pad with Wrist Strap (16x24 / 41x61cm): https://amzn.to/3Zw6WKC
• Wall socket Ground adapter for banana-jack Wrist Strap: https://amzn.to/2Yvq5ge
• Torx T15 with T-grip & 9 neck: https://amzn.to/3ceQqWk
• Torx T15 with 18 neck: https://amzn.to/3B50iRA
• Bulldog Clip (helpful to pry off back case): https://amzn.to/2H7lIhF
• FloppyEMU: https://www.bigmessowires.com/shop/product/floppy-emu-model-c/
💵 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).
🤓 NERDY STUFF
• HyperDrive 10 spun at 3600rpm
See Pg. 6: https://bit.ly/2Qzm3Sd
See Pg. 4: https://bit.ly/3rjHsLI
• SONY 3.5 400K Floppy Drive Rotational Speed: 390-600rpm
Mac512s Floppy Drive data transfer speed: 489.6 Kbps: https://bit.ly/2Qqe8q6
• Flash Drive replacement for HyperDrive: https://bit.ly/3metZ82
Related Video: https://youtu.be/guGSku-yRjI
• Make B&W bitmaps from your photos: https://29a.ch/ditherlicious/
(Resolution of your submitted photos is key to a good result. Try 640x480 to start.)
📚 RESOURCES
• HyperDrive Owners Guide, Install Manual & Software: https://bit.ly/3UfzDJd
• Hard Drive Bible: see pp.168-169 on slider: https://bit.ly/3cBzD08
• MMI 10MB HDD Specs: https://bit.ly/3tp3fUO
• 1985 HDDs compared (keyword searchable PDF): https://bit.ly/3lR3GDP
• Speed Test from July 1985: https://www.saildart.org/MAC.V3[BB,DOC]
(Search for MacWrite 4.5 Start.)
• System 6 on a Mac512 HACK: https://www.macgui.com/news/article.php?t=484
(Thank you, Dogcow!)
• HyperDrive 20 in Mac Plus: https://bit.ly/3rhpKsv
• Arcade Console Game Flyers: https://bit.ly/319BwdE
• How Ms. Pac-Mac was Made: https://bit.ly/3vRLPRL
• Crazy Otto game: https://bit.ly/3tQ1MWG
• GCC Laser Printers: https://bit.ly/3riQRmR
• GCC founder Doug Macrae details history: https://youtu.be/SW_qU8lkPac
💁♂️Many photos shown in my video are from Steven Szymanskis excellent Gallery SZY here: http://galleryszy.stevenanne.net/archives/gcc/
License: https://creativecommons.org/licenses/by/1.0/
• The dead link atop that page is partially archived here: https://bit.ly/2PoJYDf
📸 My HyperDrive Photos: https://bit.ly/3lS030n
💾 SOFTWARE & GAMES
• HyperDrive Software: https://bit.ly/3UfzDJd
• HyperDrive Disks & Labels: https://bit.ly/3rgjPUr
(NOTE: I made the customized floppy labels with the icons.)
• Missile Command online: https://bit.ly/3lSxy2M
• Mac Missles (shown in video): https://bit.ly/3sm9wzB
🗣 Helpful Groups:
• 68kMLA: http://68kmla.org
• Vintage Apple Macintosh Enthusiasts: https://bit.ly/2YgpDRb
• Vintage Macintosh Restoration & Preservation: https://bit.ly/2XKFzfK
💰SUPPORT THIS CHANNEL
https://www.paypal.me/supportJDW
🙏 MY SINCERE THANKS to the following Paypal supporters in March 2021:
• Rami from Copenhagen, Denmark
• Moazam Raja from Cupertino, CA
• Mauro Acciaccaferri
📺 Please SUBSCRIBE:
http://www.youtube.com/c/JDW11/?sub_confirmation=1
🎬 MY VIDEOS
https://www.youtube.com/user/JDW26/videos
MARCHintosh Event Logo concept & design by Javier Rivera
YouTube: https://www.youtube.com/channel/UC550QsLjbk-zxUv4u717EJQ
Twitter: @javierivera
MARCHintosh playlist: https://www.youtube.com/hashtag/marchintosh
#HyperDrive #Macintosh #MARCHintosh #JDW")
![AMD 6970M upgrade for 2009 iMac 27 [Video Card]](https://i.ytimg.com/vi/9dPsH1zIQMs/mqdefault.jpg "AMD 6970M upgrade for 2009 iMac 27 [Video Card]
Video shows how to install a Radeon 6970M video card (from a 2011 iMac) into a late 2009 27 iMac which originally came with a 4850 graphics card. And although I dont think CPU type matters in terms of compatibility with the 6970M, please note that my CPU is an i7.
⚠️ April 27, 2020: Please read my Pinned Comment and comments tied to it for the latest info. Specifically, my son discovered a big caveat that triggers a sudden power-off of the iMac. On May 3, 2020 I released a new video that offers all the details: https://youtu.be/n2a8oEI2y6U
💳 EBAY listing of the 6970M I purchased is no longer available, but the Hong Kong sellers page is found here:
https://www.ebay.com/usr/shawn882014
🍎 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
🏥 Defective Video Card Symptoms. In my case, the iMac wouldnt boot fully and would freeze at the Apple logo screen with the progress bar only 50% finished, sometimes with screen artifacts. At times when it would boot to the desktop, there were artifacts that made using the computer impossible. In the case of my 3rd and 4th bakes though, the problem was the screen would stay dark.
🛠 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
I used the following 2 tools to cut the plastic piece inside the iMac, but any similar set of cutting tools will suffice. I just used what I had. But you should try to make straight cuts. Youll also need a pair of needle-nose pliers to rip off the cut pieces, and a razor blade Xacto knife.
• NS-04 Japanese Wire Cutters: https://amzn.to/3bEGUsJ
• Straight Cut Branch Cutters: https://amzn.to/3aAhwmV
🔦 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)
💵 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).
😎 Fan Control Apps to keep your iMac running cooler (Im using both on different Macs and can therefore recommend either):
• Macs Fan Control: https://crystalidea.com/macs-fan-control
• smcFanControl: https://www.eidac.de
💰SUPPORT THIS CHANNEL
If you wish to buy me a drink or otherwise support my content creation: https://www.paypal.me/supportJDW
📺 Please SUBSCRIBE:
http://www.youtube.com/c/JDW11/?sub_confirmation=1
#Apple #Macintosh #iMac #VideoCard #JDW
┄┄┄┄┄┄┄┄┄┄
🎵 Guiton Sketch by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: https://bit.ly/3bG4OUL
Artist: http://incompetech.com/
🎵 Radio Rock by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Artist: http://audionautix.com/")
![Micron Xceed Grayscale, MacroColor 30HR REVIEW [SE/30]](https://i.ytimg.com/vi/BNN1SqsGW_c/mqdefault.jpg "Micron Xceed Grayscale, MacroColor 30HR REVIEW [SE/30]
I show how a Dell E1715Sc 17 VGA Display connects to a Macintosh SE/30 with a Micron Xceed video card, which also provides 256 grays on the SE/30s internal CRT thanks to the Grayscale Adapter. Also shown is a CPU-socketed Daystar PowerCache 50MHz 68030 CPU & FPU accelerator, and a second, lower-end Micron Xceed PDS graphics card — the Color 30HR.
🔍 INDEX
0:00 Intro
2:04 Dell Monitor
7:56 MacPaint Girl / Japanese Woodcut
12:00 Pixel Sharpness (Dell Monitor)
13:12 Micron Xceed Boards
18:36 Daystar PowerCache Accelerator
19:49 Internal CRT Grayscale
27:43 Micron Company & Ads
32:50 Video Card Specs (Gamba)
35:00 Yahoo Auction Price
36:21 Closing Words & Thanks
40:32 Bonus Content: Myst in Color
🔗 BUY
• Dell 17 Display: https://tinyurl.com/5hfxh2k4
(Same as mine but without the C in the model number.)
• DB-15 (for Apple Monitors) to VGA adapter: https://amzn.to/34VhPZ9
• DeoxIT D5: https://amzn.to/3f92aeN
Expensive, but a truly amazing electrical contact cleaner. Trust me, your connectors will love you! It can fix some CRT display anomalies when used on the yoke board connector and CRT pins (with power off, of course), and it can clean out that greenish oxidation inside your old connectors, which can cause low voltage or intermittent lockups. Its really a must buy item. Thank goodness they sell it here in Japan too! 🙂
💵 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).
• Susan Kare Woodcut Prints: https://bit.ly/3gzbDvj
📚 MANUALS
• MacroColor 30HR Install Guide: https://tinyurl.com/mwb7dhjt
• Color 30 Install Guide: https://tinyurl.com/ydn4ajz2
• Gray-scale 30 Install Guide: https://tinyurl.com/4pjf3emd
• Dell E1715S: https://tinyurl.com/bdeckx93
📚 REFERENCE
• Girl Brushing Hair (original art): https://i.redd.it/hgxj6ip03w931.jpg
• Steve Jobs & Shin-Hanga Woodblock Prints: https://bit.ly/3y9E6z1
• Xceed SE/3010-78 Whitepaper & BOM: https://bit.ly/3dDUBeI
• Micron Grayscale (for SE/30) Patent: https://bit.ly/3woVPSk
• Gambas Xceed Card Specs: https://bit.ly/3vjZ6RL
• Gambas Grayscale Replica: https://bit.ly/3pN5Ea5
• Grayscale Board inspired by Gamba: https://bit.ly/2TyAZBF
• Japanese homemade Grayscale board: https://bit.ly/3zAXq9B
• Xceed Cloning Thread (68kMLA): https://bit.ly/3v6usuP
• Kai Robertsons SE motherboard Project: https://bit.ly/3vbuXnD
• Bolles SE/30 motherboard Project: https://bit.ly/3iAPoHZ
• Micron Ad, Dec.1989 Macworld (p106): https://bit.ly/3pXrckw
• Micron Ad, Dec.1992 Macworld (p32): https://bit.ly/3vv47GW
• MacroColor 30HR in MacWeek (p104): https://bit.ly/3cKqS3r
• Yahoo Auction of Xceed MacroColor 30 only: https://bit.ly/3wxXDbR
• Yahoo Auction of MacroColor 30 (or HR) with Grayscale: https://bit.ly/3xy5RAZ
• Dell 17 Monitor specs: https://dell.to/3xr0vHx
💾 SOFTWARE
• Lode Runner B&W: https://bit.ly/3vqVyNk
• Lode Runner COLOR: https://bit.ly/3cHR5zs
• Wolfenstein 3D: https://bit.ly/3gCgD1U
• Doom II: https://bit.ly/3iUsbRh
• Oregon Trail I: https://bit.ly/3pUDomj
• Oregon Trail II: https://bit.ly/3wpB4pJ
• Myst: https://bit.ly/3gmIFzO
• Photoshop 1.0: https://bit.ly/2TXEaCU
• Photoshop 4.0: https://bit.ly/3gAa5kp
• Color MacCheese: https://bit.ly/3iI4Wts
• Prince of Persia: https://bit.ly/3gHv7Ob
🗣 HELP GROUPS
• TinkerDifferent: http://tinkerdifferent.com
• Vintage Apple Macintosh Enthusiasts: https://bit.ly/2YgpDRb
🙏 MY SINCERE THANKS to the following Paypal supporters in May 2021:
• Tom Barber (active in BlueSCSI & RaSCSI projects)
• Anonymous (wishes everyone to spay and neuter their pets 🐕)
🙇♂️🙏 AND EXTRA SPECIAL THANKS TO:
• Mauro Acciaccaferri (Repeat Paypal Contributor!)
SCSI-to-SD PRODUCTS
• BlueSCSI: https://scsi.blue
• RaSCSI: https://bit.ly/3wiRSPj
• MacSD (with link to my video review): http://macsd.com/news.php
💁♂️SHOW YOUR LOVE FOR THIS CHANNEL❤️
https://www.paypal.me/supportJDW
📺 SUBSCRIBE:
http://www.youtube.com/c/JDW11/?sub_confirmation=1
#MicronXceed #SE30 #Macintosh #JDW")
![Niobium Oxide RECAP of Macintosh PDS Accelerator [MicroMac DiiMO]](https://i.ytimg.com/vi/BWesQglkZPw/mqdefault.jpg "Niobium Oxide RECAP of Macintosh PDS Accelerator [MicroMac DiiMO]
Learn how to replace SMD electrolytic capacitors on a vintage Apple SE/30 DiiMO accelerator card with Niobium Oxide capacitors. Comparison with tantalum caps, ESR testing & Benchmarks shown.
🔎 INDEX
0:00 Intro
0:20 DiiMO Capacitors & Mouser Cart Overview
10:39 Measurements, DE-5000 Meter
18:32 Recapping
21:54 Testing
25:35 Closing Thoughts
NOTE: Niobium Oxide capacitors have a 20% voltage derating which means if you buy a 10V rated capacitor, you can safely put up to a constant 8V on them without worry.
🛒 BUY
• Niobium Oxide Capacitors I used (Mouser): https://bit.ly/2Bp18WO
• Torx T15 with LONG neck (Amazon US): https://amzn.to/2ScAskx
• Bulldog Clip (helpful to pry off back case): https://amzn.to/2H7lIhF
• Soldering iron with °F-only LCD & Solder Kit (80W, cheap!): https://amzn.to/36BYi0K
or
• Soldering Station (120W, ESD safe): https://amzn.to/30g1Frt
or
• HAKKO (Japanese) Soldering Station (70W ceramic core): https://amzn.to/2YvIo42
• Solder (Leaded Rosin Core 1.6mm): https://amzn.to/3IGuxxm
🤓 USEFUL TOOL for Super-Geeks:
• DE-5000 Handheld LCR Meter (Amazon US): https://amzn.to/2ScttJz
The absolute best handheld meter to check the ESR of capacitors. That Amazon link comes with all 3 accessories: TL-21, TL-22 & TL-23. If you buy this to check your caps, feel free to post your ESR measurements of the Analog Board caps in the Comments section, and be sure to let me know which Frequency you used (e.g., 120Hz, 1kHz, etc.).
💵 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).
🔗 LINKS
• DiiMO photos on Flickr: https://bit.ly/2QDbooL
• Official MicroMac DiiMO page: https://bit.ly/2ScpOJm
💾 Norton Utilities 3.5.3: https://bit.ly/2BtmdPR
💾 Prince of Persia: https://bit.ly/2A5fgV6
🎥 My how-to video about using a modern replacement power supply for the SE/30 or SE is here: https://youtu.be/hiN7mP9iQxA
🎥 My video about recapping the Analog Board is here: https://youtu.be/zr_Q4bGI_qY
💰SUPPORT THIS CHANNEL
If you wish to buy me a drink or otherwise support my content creation: https://www.paypal.me/supportJDW
📺 Please SUBSCRIBE:
http://www.youtube.com/c/JDW11/?sub_confirmation=1
#Apple #Macintosh #NiobiumOxide #JDW")
![ROM-inator Kit Build & Review [Mac 128K, 512K & Plus]](https://i.ytimg.com/vi/CVClCLgBm6k/mqdefault.jpg "ROM-inator Kit Build & Review [Mac 128K, 512K & Plus]
See how to build, install and use the original ROM-inator kit for the earliest compact Macs. BMOW offers the PCB Gerber files, ROM code, etc.: https://www.bigmessowires.com/mac-rom-inator/
🙏 SPECIAL THANKS to Kay Koba in Tokyo who made this video possible.
Kays Blog is here: https://ameblo.jp/keroxiee1016/entry-12682620033.html
🔎 INDEX
0:00 — Intro
4:00 — Building
19:43 — Installing
30:06— Testing
49:17 — Closing Words
🛠️ THINGS TO BUY:
• ROM-inator Resurrections: https://bit.ly/3qQAKCE
• ROM Programmer (if your ROMs are blank): https://bit.ly/4cmF92V
• PRAM 4.5V Battery for 128K, 512K & Plus: https://amzn.to/3EzEiv4
• Fume Extractor: https://amzn.to/3XUsZKf
• 4.3 LCD Microscope: https://amzn.to/3uO9ao5
💁♂️TIP! For a nicer 7-inch LCD, at a correspondingly higher price, search Amazon for: 7 LCD Microscope.
• 10x Loupe: https://amzn.to/3tW1lf0
• 5x/11x Magnifier: https://amzn.to/3lGogXI
• Header & Jumper Kit: https://amzn.to/3tQoCi8
• Wire Kit: https://amzn.to/2ZaWOKi
• Hakko (Japanese) base-model ceramic-heater type Soldering Station: https://amzn.to/3ArxBJ6
• Hakko high-end Soldering Station (buy compatible tips separately!): https://amzn.to/3VWlLl8
• Hakko highest-end Soldering Station (expensive but amazing, tips not included!): https://amzn.to/3BAzbLk
IMPORTANT! The FX-951 is a wonderful soldering station, but it doesnt offer hot tweezers, should you ever need that. Only the 888D or FX-100 stations offer tweezers (FX-8804 or FX-1003) as a separate purchase.
or
• Chinese Soldering Station (cheaper): https://amzn.to/30g1Frt
• Solder (Leaded Rosin Core 1.6mm): https://amzn.to/3IGuxxm
• Solder (Leaded Rosin Core 0.82mm): https://amzn.to/3GzJbVl
• 2-spool Solder Holder: https://amzn.to/39hIMbt
• MG Chemicals FLUX: https://amzn.to/3kuAcsZ
(I didnt explain the need for flux in my video, but as you could see, flux makes solder FLOW!)
• Desoldering wick: https://amzn.to/3iMAnA5
• 99% ISO Alcohol (Spray Bottle!): https://amzn.to/3ae4fG6
• 99% ISO Alcohol: https://amzn.to/3NoFkxN
• 99% ISO Alcohol: https://amzn.to/2YsK8v3
💁♂️I gave you 3 alcohol choices above because its often out of stock. 70% will work, 91% is better, but 99% is best for electronics cleaning (fast drying & no residue).
• Anti-static pad with Wrist Strap (16x24 / 41x61cm): https://amzn.to/3bfAE9Z
or
• Hi-temp Anti-static pad with Wrist Strap (16x12 / 41x30cm): https://amzn.to/2SOm1nK
• Wall socket Ground adapter for banana-jack Wrist Strap: https://amzn.to/2Yvq5ge
• Wire Nippers 4.5: https://amzn.to/2J4Wkdk
💵 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).
OTHER BMOW PRODUCTS
• FloppyEMU (definitely buy this!!): https://www.bigmessowires.com/floppy-emu/
• Theres a newer ROM-inator II kit for the Macintosh SE/30, IIx, IIcx, IIci, IIfx & IIsi: https://bit.ly/3j7xAkO
💾 Heres the DSK I created — similar to whats shown in the video, but with MacWrite 2.2 & Lode Runner: https://tinyurl.com/7c5thrht
🤖 Make your Mac speak with SmoothTalker: https://macintoshgarden.org/apps/smoothtalker
💾 Get more great software for your own ROM-inator kit here: https://macintoshgarden.org
💰SUPPORT THIS CHANNEL
https://www.paypal.me/supportJDW
🙏 I wish to HUMBLY THANK Steve Chamberlin (BMOW owner) & Rob Braun who made time to consult with me during the making of this video. Robs website: http://www.synack.net/~bbraun/
🙏 SINCERE THANKS to these generous Paypal contributors (Aug~Sep 2021):
• Richard Milone (co-founder of CNX Corp.: https://www.cnxcorp.com )
• Mauro Acciaccaferri
• Jeff C. from Seattle
📺 SUBSCRIBE:
http://www.youtube.com/c/JDW11/?sub_confirmation=1
🎬 MY VIDEOS
https://www.youtube.com/user/JDW26/videos
#BMOW #ROMinator #MacHack #JDW")
![Analog Board BEEFY COMPONENT UPGRADE for Color Classic & Mystic [Part 1 of 2]](https://i.ytimg.com/vi/D8AyC8d6u4o/mqdefault.jpg "Analog Board BEEFY COMPONENT UPGRADE for Color Classic & Mystic [Part 1 of 2]
UPGRADE the hottest components on your Color Classic ANALOG BOARD for better cooling. And stay tuned for Part II, where I will convert my 68.4V VGA Mod to the 84V version for greater motherboard compatibility.
🎬Part 2 video: https://youtu.be/0PjAK8zTOTQ
🔎 *INDEX*
0:00 — Intro
1:43 — Removing the Rear Housing
3:02 — Thermal Measurements
9:56 — CRT Discharge & Disassembly
13:58 — Replacing Components
22:08 — Trace Repair
25:29 — Initial Testing
30:41 — Thermal Testing
35:42 — TinkerDifferent Discussion
37:09 — Closing Thoughts
🛒 *BUY THE COMPONENTS*
• Mouser Cart: https://bit.ly/4oaw9nU
or
• DigiKey Cart: https://www.digikey.com/short/d8m2zfdq
🤓 TIP! Want your replacement 18V Zener Diode at DL22 to run 20°C cooler? Check out my solution here (9/26/2025):
https://tinkerdifferent.com/threads/color-classic-analog-board-trouble.2367/page-5#post-40243
🛒 *FAMOUS UPGRADE BOOK FROM JAPAN*
• Doping Mac kick-started the CC mod scene in 1997 (written in Japanese): https://bit.ly/470U6rs
_(Limited Quantity: please buy it only if you will make good use of it.)_
🛒 *SOLDERING STUFF*
• Hakko FR-301 Desoldering Gun: https://amzn.to/4mqXMHD
or
• Desoldering Pump: https://amzn.to/41poGay
• Hakko Soldering Station FX888DX: https://amzn.to/45pIGLF
💁♂️TIP: Use 350°C & Leaded solder.
• Solder (Leaded Rosin Core 0.6mm): https://amzn.to/3DVnAro
• 2-spool Solder Holder: https://amzn.to/39hIMbt
• Hakko 599B Tip Cleaner: https://amzn.to/3RHy5o4
• MG Chemicals Flux (great plunger): https://amzn.to/3kuAcsZ
• Desoldering wick: https://amzn.to/46Hcaa1
• JB Weld epoxy (for PCB trace repair): https://amzn.to/44Y9JyG
• UV Solder Mask: https://amzn.to/3IYZHEP• 10W UV Flashlight (for curing solder mask): https://amzn.to/45z6fTq
• Silicone Finger Guards: https://amzn.to/3GX0Ps5
• HAKKO Fume Extractor (compact): https://amzn.to/3MApWyb
or
• Fume Extractor with flexible hose: https://amzn.to/3lkEnxK
🛒 *OTHER STUFF*
• ISO Alcohol 99%: https://amzn.to/47THAty
💁♂️IPA Note: 70% will work, 91% is better, but 99% is best for electronics cleaning (fast drying & no residue).
• Tweezer kit: https://amzn.to/3JTT4C1
• 10x & 15x Lens/Lamp: https://amzn.to/4tg88Nk
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• EEVBlog 121GW Multimeter: https://bit.ly/40EOwWj
• ProbeMaster 8043SK Lead Kit: https://bit.ly/3GZhQ4W
• Silicone Tubing (OD:4mm, ID:0.8mm): https://www.aliexpress.com/item/1005001917803982.html
• UTi260B Thermal Camera w/Macro Lens: https://amzn.to/40Q5OkX
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📚 *REFERENCE*
• TinkerDifferent Thread: https://bit.ly/3J06bU3
• Analog Board PARTS LIST: https://bit.ly/4lYHLc0
• Color Classic Troubleshooting: https://bit.ly/44TmTNo
💾 *SOFTWARE*
• Sleeper: https://macintoshgarden.org/apps/sleeper
🙇♂️ *THANKS* to YMK Devices for inspiring me to do this upgrade!
I also like his products, which you can check out here:• SD card SCSI drive: https://macsd.com
• 256MB RAM for SE/30: https://www.tindie.com/products/ymkdevices/synchr030s/
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![HP 50g Calculator Teardown & Repair [SD card]](https://i.ytimg.com/vi/ETqQP_uxS44/mqdefault.jpg "HP 50g Calculator Teardown & Repair [SD card]
How to take off the LCD cover and open an HP 50g to repair the SD card slot Lock Detector mechanism, then reassemble the housing.
INDEX
0:00 Problem Description
3:10 Removing the LCD Cover
5:05 Opening the calculator
16:35 Testing
25:26 Repair
27:22 Reassembly
35:13 Final Test
Buy HP 50g: https://amzn.to/2vH0TXU
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• HP Museum Forums: http://www.hpmuseum.org/forum/
• Discussion Thread on SD Cards: http://bit.ly/2bWb4eG
(Special thanks to Vtile and Claudio for your help!)
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