Vintage Macintosh Computing

Joel Gerdeen

Minnebar 12 March 25, 2017

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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

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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

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Mactracker App http://mactracker.ca

My computer lab 1 of 4 rooms

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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

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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

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Hardware Problems

• Drives stick - sharp rap needed to start but eventually fail

• Capacitors leak and short circuits

• Power supplies fail - capacitors

• Monitors fail

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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

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Video Adapter

• https://www.manualslib.com/manual/296087/Mitsubishi-Diamond-Pro-91txm.html?page=30

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AD-A205 Adapter

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Performa 6116 Video

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Floppy Emu

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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

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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

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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

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SCSI2SD Circuit Card

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USBMicroSDLED

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.codesrc.com/mediawiki/index.php?title=SCSI2SD

• https://www.amazon.com/Inertial-Computing-SCSI2SD/dp/B015OT28SS

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Mac IIsi Internal

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SCSI2SD External

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

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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.

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SCSI Device IDs

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SCSI2SD

SC HD Setup

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SCSI Director

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Mac ROM-inator II

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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/

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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

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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

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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

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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

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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

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