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See how to build, clean & test 30-pin 4MB RAM SIMM kits created by Kay Koba of Kero's Mac Mods in Japan. (4 PCBs in the kit yield 16MB of RAM. You supply the RAM chips.)
🔎 INDEX
0:00 - Intro
5:24 - RAM Chip Compatibility
6:21 - Recommended Tools
7:34 - Hot Air Chip Removal
10:43 - Breaking Apart the PCBs
16:49 - Soldering Components
35:01 - Build Time
36:06 - Sanding the SIMMs
38:01 - Cleaning in Alcohol
40:16 - Testing in an SE/30
43:16 - MacEffects Clear Case & LEDs
47:36 - Closing Thoughts
49:41 - Medical Update & Thanks
54:30 - GIVEAWAY pre-announcement
56:12 - Kay Koba
🛒 STUFF TO BUY
• 4MB SIMM Kit from Kero's Mac Mods: bit.ly/3RMC6r7
Sales within Japan on Yahoo Auctions (日本で購入):
auctions.yahoo.co.jp/seller/i...
• YIHUA 959D Hot Air Station: amzn.to/3x4E9O1
• Hakko Soldering Station FX888D: amzn.to/3ArxBJ6
or
• Hakko Soldering Station FX951: amzn.to/3x8UwZK
💁♂️TIP: Use 350°C & Leaded solder.
• Solder (Leaded Rosin Core 0.6mm): amzn.to/3DVnAro
• 2-spool Solder Holder: amzn.to/39hIMbt
• Hakko 599B Tip Cleaner: amzn.to/3RHy5o4
• AMTECH 559 "V2" Flux (flawed plunger): amzn.to/3Muf4C2
• MG Chemicals Flux (great plunger): amzn.to/3kuAcsZ
• Desoldering wick: amzn.to/3iMAnA5
• HAKKO Fume Extractor (compact): amzn.to/3MApWyb
• Fume Extractor with flexible hose: amzn.to/3lkEnxK
• 99% ISO Alcohol (Spray Bottle!): amzn.to/3ae4fG6
• 99% ISO Alcohol: amzn.to/3NoFkxN
• 99% ISO Alcohol: amzn.to/2MkjS3h
💁♂️I gave you 3 alcohol choices above because it's often out of stock. 70% will work, 91% is better, but 99% is best for electronics cleaning (fast drying & no residue).
• Tweezer kit: amzn.to/3JTT4C1
• Coated Needle Nose Pliers: amzn.to/3ls11UM
• Helping Hands & Magnifier (cheap): amzn.to/3lqHMeE
• 5x or 10x illuminated Magnifier: amzn.to/3YCySJ7
• Nice rubberized Vice: amzn.to/3x78yuX
or
• Vice & LED-lit 3x Magnifier & Rubberized Helping Hands: amzn.to/3xdAVHK
• Fluke 116 Multimeter: amzn.to/3O5IsQx
• EEVBlog 121GW Multimeter: bit.ly/40EOwWj
• MacEffects Clear Case for SE & SE/30: bit.ly/3DVUFnb
• MacEffects Transparent Fan w/LEDs: bit.ly/3RPue8C
💵 Some links above lead to Amazon USA. If you click & purchase within 24 hours, Amazon may pay me a small commission on qualifying items in your Cart.
👽 4MB "PAL" SIMMs (30-pin) for Mac II or IIx: bit.ly/3Xpzykg
🧐 KIT CONSTRUCTION SPEED
After I gained experience building 3 SIMMs, my construction times started to improve, yielding an average of 30 minutes per SIMM for the final 5 SIMMs. That includes time to continuity-check pin pairs on both RAM chips, but doesn't include alchohol cleaning time.
🎬 VIDEOS MENTIONED
• MacEffects Clear Case for SE/30: • MacEffects Clear Case ...
• Extension Cable for SE/30 Motherboard: • How to Tinker Differen...
• 4MB SIMM build by @BranchusCreations : • Tomlov DM602 Digital M...
📚 REFERENCE
• 4MB SIMM Kit OVERVIEW: amba.to/3I9M5DH
• 4MB SIMM kit INSTRUCTIONS: amba.to/3jMRUxF
• RAM Chip Database: bit.ly/3jHAp1E• SE/30 Memory Guide: bit.ly/3XiOdh5
• SE/30 TIP! If you have four 16MB SIMMs & 4 smaller SIMMs, put the 16MB SIMMs into Bank B!
• 800K Floppy Drive Schematics: bit.ly/3RLJfIf
• Vector edition schematic by Eugene Gillott: bit.ly/3jJkjEN
🙏 SINCERE THANKS to these amazing Paypal supporters (Nov. 2022 - Feb. 2023):
• Gavin Maxwell 🇦🇺 (monthly supporter)
• Philippe Astier 🇫🇷 (monthly supporter)
• JD H.
• svenvendetta (TinkerDifferent forum)
• Mauro Acciaccaferri 🇮🇹 (monthly supporter)
• Eugene Gillott 🇨🇦
• Frank Conforti (made the largest single donation ever to this channel)
• Matthew Antonellis 🇺🇸
💰HOW TO SUPPORT THIS CHANNEL
www.paypal.me/supportJDW
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