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Vintage Macintosh
Computing
Joel Gerdeen
Minnebar 12
March 25, 2017
1
My History
• 1969 - GE timesharing at GM
Tech center
• 1970 - DEC PDP 8/e
minicomputer at Iowa State
• 1975 - IBM & CDC ma...
My Current Macintoshes
• Macintosh 512K
• 3-Mac Plus
• 2-Mac IIci
• Mac SE/30
• 2-Mac Classic II
• Mac Color Classic
• 2-M...
My computer lab
1 of 4 rooms
4
Mac OS History
• 1984 - Introduction
• 1986 - Sys 1.0
• 1987 - Sys 2.0 & 5.0-5.1
• 1988 - Sys 6.0
• 1991 - Sys 7.0
• 1992 ...
Macintosh File Systems
• MFS - Original Mac File System for floppy disks -1984
• HFS - Hierarchical File System - Mac OS St...
Hardware Problems
• Drives stick - sharp rap needed to start but
eventually fail
• Capacitors leak and short circuits
• Po...
Hardware Fixes
• Swap components from other Macs
• Clean circuit boards with alcohol or dishwasher
• Replace capacitors
• ...
Video Adapter
• https://www.manualslib.com/manual/296087/
Mitsubishi-Diamond-Pro-91txm.html?page=30
9
AD-A205 Adapter
10
Performa 6116 Video
11
Floppy Emu
12
13
Floppy Emu
• Emulates an Apple floppy drive or HD20
• Ships with 4GB microSD card with .dsk images
• Supports Apple II, Lis...
Floppy Emu Setup
• Install firmware for Macintosh, default is Apple II
• Mount SD card on most modern Macs and
Windows PCs
...
Mac Software Archives
• http://macintoshgarden.org
• https://www.macintoshrepository.org
• http://umich.edu/~archive/mac/
...
SCSI2SD Circuit Card
17
USBMicroSD
LED
connection
SCSI connector Power connector
Terminator
Resistors
SCSI2SD
• Emulates a SCSI storage device
• Uses MicroSD card - I had 8 GB
• Mac OS limited to 2GB drives
• http://www.code...
19
Mac IIsi Internal
20
SCSI2SD External
SCSI2SD Setup
• Obtain latest firmware and update device thru Mac or PC
USB port
• Configure device name & SCSI ID
• Mount S...
SCSI Drives
• SCSI IDs 0-6, 7 reserved for CPU
• IDs set by jumpers or switch on drive
• Chained together in any order
• N...
SCSI Device IDs
23
SCSI2SD
SC HD Setup
24
SCSI Director
25
Mac ROM-inator II
26
Mac ROM-inator II
• Programmable flash memory module
• ROM for Mac II series or SE/30
• Boot from ROM, RAM or internal SCSI...
Archiving Floppy Disks
• Disk Copy 6.3.3
• Creates IMG image file of bootable installation
disk
• Store on Zip 100 or 250 M...
Tracking media storage
• NeoFinder / CDFinder - http://cdfinder.de
• Catalog any mountable media - Floppies, CDs,
DVDs, Zip...
Mac Books
• 314 Books Listed in http://vintageapple.org/macbooks/
• https://ia601303.us.archive.org/4/items/
mac_The_Macin...
Mac OS Emulators
• SheepShaver - Mac OS 9.0.4
• Basilisk II - System 7.5.3
• Mini vMac - System 6.0.8 on Windows
• QEMU - ...
Contact Info
• Twitter @njerd
• Blog at njerd.us
• jgerdeen@mac.com
• miniapples.org
• https://www.meetup.com/miniapples/
...
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Vintage macintosh computing

I have been using Macintosh computers for 32 years and have accumulated over 50 Macs from the 1985 Mac 512k to a 2-year-old Mac Mini. If I had purchased all of these, I would have spent over $140,000 and probably be single. Friends have given me most of them. Recently, I decided to clear out some and refine my collection. I’m finding out that many don’t work anymore, most due to failed hard drives, power supplies or other electrical components. I have also accumulated over 800 floppy disks of software and data, again many of which are failing.

In this discussion, I will present my methods of dealing with this old technology. I will review my techniques of archiving old floppies, creating image files to restore from and managing the collection to find what I have. I will also discuss some new replacement hardware such as a floppy disk emulator and a SCSI controller that can store thousands of floppy images on a micro-SD card and replace the failed drives. In addition, I will provide information on methods to repair the old failed hardware and Mac OS emulation.

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Vintage macintosh computing

  1. 1. Vintage Macintosh Computing Joel Gerdeen Minnebar 12 March 25, 2017 1
  2. 2. My History • 1969 - GE timesharing at GM Tech center • 1970 - DEC PDP 8/e minicomputer at Iowa State • 1975 - IBM & CDC mainframes • 1980 - TI 99/4 home computer • 1985 - Apple MacXL (Lisa) • 1988 - MacPlus, SE/30 • 1990 - Mac IIci • 1991 - PowerBook 170 • 1998 - iMac • 2001 - PowerMac G4 • 2004 - PowerMac G5 • 2005 - iMac G5 • 2006 - MacBook Pro • 2008 - Mac Pro • 2014 - Mac Mini 2
  3. 3. My Current Macintoshes • Macintosh 512K • 3-Mac Plus • 2-Mac IIci • Mac SE/30 • 2-Mac Classic II • Mac Color Classic • 2-Mac IIsi • Mac IIvx • 2-Mac LCII • Mac LCIII • Mac Performa 475 • Mac Performa 630CD • Mac Performa 636CD • Mac Quadra 660AV • 2- Powerbook 170 • Powerbook 520c • 2-Performa 6116CD • Powerbook Duo 2300C • 3-DuoDock II • 2-Powerbook 3400C • 2-PowerBook G3 • PowerBook G3 Firewire • iBook G3 • 4-iMac G3 • 2-Mac Cube G4 • iMac G4 Flat Panel • iBook G4 12.1" • PowerMac G4 • MacBook Pro 15" • MacBook Pro 17" • 3-PowerMac G5 • Mac Pro 2008 • MacBook 2009 • 2-MacBook Air • Mac Mini 2014 3 Mactracker App http://mactracker.ca
  4. 4. My computer lab 1 of 4 rooms 4
  5. 5. Mac OS History • 1984 - Introduction • 1986 - Sys 1.0 • 1987 - Sys 2.0 & 5.0-5.1 • 1988 - Sys 6.0 • 1991 - Sys 7.0 • 1992 - Sys 7.1 • 1994 - Sys 7.5 • 1997 - Mac OS 7.6-7.6.1, 8.0 • 1998 - Mac OS 8.1, 8.5 • 1999 - Mac OS 8.6, 9.0 • 2000 - Mac OS X Beta • 2001 - Mac OS 9.1-9.2, OSX 10.0-10.1 • 2002 - OS X 10.2 • 2005 - OS X 10.4 Last 9.2.2 Classic mode 5
  6. 6. Macintosh File Systems • MFS - Original Mac File System for floppy disks -1984 • HFS - Hierarchical File System - Mac OS Standard • Sept 1985 to support first HD20 hard drive • Jan 1986 included with Mac Plus • HFS Plus - Mac OS Extended • Included in MacOS 8.1 -1998 • Apple File System (APFS) preview in current beta OS 6
  7. 7. Hardware Problems • Drives stick - sharp rap needed to start but eventually fail • Capacitors leak and short circuits • Power supplies fail - capacitors • Monitors fail 7
  8. 8. Hardware Fixes • Swap components from other Macs • Clean circuit boards with alcohol or dishwasher • Replace capacitors • Use video adapter for VGA monitors • Use modern technology replacements 8
  9. 9. Video Adapter • https://www.manualslib.com/manual/296087/ Mitsubishi-Diamond-Pro-91txm.html?page=30 9
  10. 10. AD-A205 Adapter 10
  11. 11. Performa 6116 Video 11
  12. 12. Floppy Emu 12
  13. 13. 13
  14. 14. Floppy Emu • Emulates an Apple floppy drive or HD20 • Ships with 4GB microSD card with .dsk images • Supports Apple II, Lisa or Mac • Uses 19 pin floppy port on pre 1994 Macs or internal floppy connector on other early Macs • Available from http://www.bigmessowires.com/ floppy-emu/ $139 14
  15. 15. Floppy Emu Setup • Install firmware for Macintosh, default is Apple II • Mount SD card on most modern Macs and Windows PCs • Create HD20 copies and format • Download disk images from internet 15
  16. 16. Mac Software Archives • http://macintoshgarden.org • https://www.macintoshrepository.org • http://umich.edu/~archive/mac/ • http://tkc8800.com/post/macintosh-128k-512k-400k-disk- images • http://asa.max1zzz.co.uk/English-North_American/Macintosh/ System/ • https://archive.org/details/mac_rom_archive_-_as_of_8-19-2011 16
  17. 17. SCSI2SD Circuit Card 17 USBMicroSD LED connection SCSI connector Power connector Terminator Resistors
  18. 18. SCSI2SD • Emulates a SCSI storage device • Uses MicroSD card - I had 8 GB • Mac OS limited to 2GB drives • http://www.codesrc.com/mediawiki/index.php? title=SCSI2SD • https://www.amazon.com/Inertial-Computing- SCSI2SD/dp/B015OT28SS 18
  19. 19. 19 Mac IIsi Internal
  20. 20. 20 SCSI2SD External
  21. 21. SCSI2SD Setup • Obtain latest firmware and update device thru Mac or PC USB port • Configure device name & SCSI ID • Mount SD card on older Mac, G4 used • Format and partition SD card into 2GB or smaller parts • Install on SCSI based Mac to configure drivers • Use patched SC HD Setup or Drive Setup apps • http://www.codesrc.com/mediawiki/index.php? title=SCSI2SD_UserManual 21
  22. 22. SCSI Drives • SCSI IDs 0-6, 7 reserved for CPU • IDs set by jumpers or switch on drive • Chained together in any order • Need termination on both ends of chain • Some drives are terminated internally or have a switch. 22
  23. 23. SCSI Device IDs 23 SCSI2SD
  24. 24. SC HD Setup 24
  25. 25. SCSI Director 25
  26. 26. Mac ROM-inator II 26
  27. 27. Mac ROM-inator II • Programmable flash memory module • ROM for Mac II series or SE/30 • Boot from ROM, RAM or internal SCSI drive • Some system file modifications may be needed • http://www.bigmessowires.com/mac-rom-inator- ii/ 27
  28. 28. Archiving Floppy Disks • Disk Copy 6.3.3 • Creates IMG image file of bootable installation disk • Store on Zip 100 or 250 MB disks • Duplicate to SCSI2SD card • Use Disk Copy to mount multiple floppy sets for installation 28
  29. 29. Tracking media storage • NeoFinder / CDFinder - http://cdfinder.de • Catalog any mountable media - Floppies, CDs, DVDs, Zip drives, HDs • Selectable depth of folders • Search by volume, image or file names 29
  30. 30. Mac Books • 314 Books Listed in http://vintageapple.org/macbooks/ • https://ia601303.us.archive.org/4/items/ mac_The_Macintosh_Bible_6th_Edition_1996/ The_Macintosh_Bible_6th_Edition_1996.pdf • https://archive.org/details/ mac_Macworld_Mac_Secrets_5th_Edition_1999 30
  31. 31. Mac OS Emulators • SheepShaver - Mac OS 9.0.4 • Basilisk II - System 7.5.3 • Mini vMac - System 6.0.8 on Windows • QEMU - Mac OS 9 to 10.4 • PearPC - OS X 10.1 to 10.4 on Windows • MAME/MESS • http://www.emaculation.com/doku.php 31
  32. 32. Contact Info • Twitter @njerd • Blog at njerd.us • jgerdeen@mac.com • miniapples.org • https://www.meetup.com/miniapples/ • https://www.slideshare.net/JoelGerdeen/vintage- macintosh-computing 32

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