Uploaded September 2023 | Updated September 2026, 2 weeks ago

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Comprehensive look at custom ROM SIMMs and FLASHING via ROMmate PROGRAMMER & Doug Brown's SIMM Programmer app. Mini vMac tutorial shows Disk image creation. ZIP archive DOWNLOAD ⬇️

🔎 INDEX
0:00 — Intro
0:30 — History of ROM SIMMs
4:58 — Product Overview & Benefits
11:20 — Disk Images, ROM Files & FC8 Compression
14:48 — ROM Disk Creation
30:43 — Flashing & Testing
36:32 — For Lovers of 8MB ROM SIMMs & Tetris Max
39:56 — SE/30 Socket Woes & ROM Clips
43:40 — Optimize for FC8 Compression
47:41 — Stock ROMs: Making & Checking
52:32 — Closing Thoughts

⚠️ Booting Sys7.5.3 & higher on an SE/30, or OS 8.0/8.1 on a IIci, etc. with custom ROM SIMM: bit.ly/4ifreyW
💾 os8-030patch.rsrc: bit.ly/3ZC2ABo
💾 ResPatcher is easier: bit.ly/3Zr77p1
⚠️ NOTE: Stock ROM won't boot a hacked System file!

🛒 ROM PRODUCTS
◉ BMOW
• ROM-inator II ATOM (4MB): tinyurl.com/4yzz2pdr
• Manual: tinyurl.com/yrpnp2ba
◉ CayMac Vintage
• ROMmate II Programmer: ko-fi.com/s/d6e7e4494d
• Manual: tinyurl.com/mrvu6scr
• 4MB ROM SIMM: ko-fi.com/s/a21ef3a744
• 8MB ROM SIMM: ko-fi.com/s/2bee7a6f82
• PLASTIC CASE for Programmer (3D-printable STL files): tinyurl.com/5d2hsh2n
◉ GGLABs
• 2MB ROM SIMM: ebay.to/3LabqyG
• 512K ROM SIMM: ebay.to/481uMjq
◉ Kero's Mac Mods
• 2MB ROM SIMM (no chips!): tinyurl.com/3jc247jd
• 4 Chips for ROM SIMM (programmed): tinyurl.com/2jer6625
• Manual: amba.to/3qnAXgx
◉ SiliconInsider
• 2MB ROM SIMM on Tindie: tinyurl.com/z9dn64f5
• Same SIMM on EBAY: ebay.com/itm/116397701413
◉ Garrett's Workshop (On sale as of 7/2/2024)
• 8MBx2 ROM SIMM (GW4402B): bit.ly/3QmjrE0
• Manual: tinyurl.com/mr3f65cp
◉ ROM CLIPS
• 3D files: tinyurl.com/2xtfrhh7

===[ DOWNLOADS ]===
💾 MY ZIP ARCHIVE (174MB): ROM files, DSK images & Mini vMac
• tinyurl.com/32h9s6y6

💾 Base ROM Files
• Rob Braun (FC8 not supported): bit.ly/3R7PyI1
• BMOW*: bit.ly/3Z8NTnu
* 9/8/2023: Steve Chamberlin made it free to use on
any vendor's ROM SIMM!
(Vendors need permission to distribute.)

💾 ResPatcher: bit.ly/3Zr77p1

💾 olePigeon ROM for DayStar Turbo040
• HD20 won't boot an SE/30 and 1.44MB floppies don't work: tinyurl.com/mrssv23v

💾 FOR PROGRAMMER
• Firmware (get v1.5 or newer): tinyurl.com/2eafy6my
• SIMM Programmer app (get v2.0 or newer): bit.ly/4384ckU

💾 TETRIS
• Tetris Max by Steve Chamberlin (System 6 compatible v2.9.3b2): tinyurl.com/3nhhxvnp
• Tetris by Spectrum Holobyte: tinyurl.com/mrka2j8e

💾 STOCK ROM ARCHIVE
• tinyurl.com/mr3p8h4j

💾 STUFFIT (for modern computers)
• stuffit.com

📚 REFERENCE
• Gamba's site: bit.ly/3LcDX6w
• From AVR to ARM, by Doug Brown: bit.ly/3EEDQgl
• BMOW ROM-inator II Programming & base ROM file: bit.ly/3EsJ4fc
• Rob Braun's site: bit.ly/3Zfu0LG
• Early History of IIci ROM Fabrication by Jeff Walther: tinyurl.com/yu82ps9c
• Mac ROM Interoperability Chart: bit.ly/3P6EA47
• Tetris Max & Sys6 Bug Fix: tinyurl.com/n7rpefcx
• FC8 Compression: tinyurl.com/mr757v2c
FC8 is Open-Source: bit.ly/3KvUpi4
(Commercial use allowed.)
• FC8 command line usage: tinyurl.com/2fxpt63p
• ROM hacking by Steve Chamberlin: bit.ly/3KxvJ93
• SE/30 Motherboard WARPING: tinyurl.com/56f3pjy3
• MODE32 info from Apple ('94): bit.ly/3Opq6L2
• Leaked Apple doc about Universal ROMs (JAWS): bit.ly/3KxOclB
• ROM-inator II MEGA (8MB, discontinued): tinyurl.com/yuhj97u2
• ROM-inator II Standard (4MB, discontinued): tinyurl.com/kdme6325
• Mini vMac Info: tinyurl.com/3skxxz5j
• Turbo040 & ROM file issues: tinyurl.com/y252atpc
• Paul C. Pratt is missing: tinyurl.com/4u4wb4xp

🙏 THANK YOU, Contributors!
• Gamba's Sister
• Jeff Walther (Trag)
• wally94087
• Downtown Doug Brown
• Rob Braun
• Will, Joakim & Jake (CayMac Vintage)
• Steve Chamberlin (BMOW)
• Gabriele (GGLabs)
• Kay Koba (Kero's Mac Mods)
• Dr. Antoine Bercovici (SiliconInsider)
• Zane Kaminski (Garrett's Workshop)
• Potatofi (ROM Clip creator)
• Colin of @ThisDoesNotCompute
• Bruce Rayne of @BranchusCreations

🙏 THANK YOU, Paypal supporters!
• Frank Conforti 🇺🇸 (monumental supporter)
• Philippe Astier 🇫🇷 (monthly supporter)
• Mauro Acciaccaferri 🇮🇹 (monthly supporter)
• Gavin Maxwell 🇦🇺 (monthly supporter)
• Joshua Harris (new supporter)

💰SUPPORT ME
paypal.me/supportJDW

📺 SUBSCRIBE
youtube.com/c/JDW11/?sub_confirmation=1

🎵 MUSIC CREDITS
• "Running in the streets" tinyurl.com/4y86k7u3
& "Mars Colony" tinyurl.com/3vw7vzev
are by Vyra under CC BY-SA 3.0 attribution license.
• "Anthem_for_Tomorrow" by TEKNOAXE is CC BY 4.0
Artist: tinyurl.com/34xmu6d3

#Macintosh #ROMsimms #CayMacVintage #JDW1