The Quadra 605 is an Apple Macintosh personal computer based on the Motorola 68LC040 CPU released on October 21, 1993 as part of the Quadra series. During development it was code-named “Aladdin” or “Primus”
With an elegant, minimalistic design the Quadra 605 is one of the few Macintosh models that does not share a case with another machine. The internal layout and components are identical to the Apple Macintosh Performa/LC 475 and 476. Production of the Quadra 605 was discontinued on October 17, 1994.
SPECIFICATIONS
Complete system specifications
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OPERATING SYSTEMS
Download operating systems compatible with the Quadra 605
HARDWARE UPGRADES
Various upgrades and modifications to Quadra 605 hardware
PHOTO GALLERY
Photographs of Quadra 605 hardware
EMULATOR
Basilisk II is a Macintosh 68k emulator that allows you to run the classic Macintosh OS and applications on modern computers. These downloads are fully configured versions of Basilisk II that include the required ROM as well as a hard drive image with Mac OS 8.1 and various applications.
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DOWNLOADS
- Mac OS System 7.6.1 CD – bootable retail CD image (.iso)
- Mac OS System 8.1 CD – bootable retail CD image (.iso)
- Apple Legacy Software Recovery CD – bootable CD image (.iso) with every Mac OS from 1.0 through 8.1
- Basilisk II Emulator for macOS – fully configured 68k emulator with Quadra ROM and hard drive image with System 8.1 installed
- Basilisk II Emulator for Windows – fully configured 68k emulator with Quadra ROM and hard drive image with System 8.1. installed
- Quadra 605 ROM – for use with emulators such as Basilisk II
DOCUMENTATION
TROUBLESHOOTING
- No video on startup: If you hear the startup chord but video never initializes, the logic board battery is probably dead.
- Temporary workaround: Flip the power switch on and then quickly toggle the switch off and then on again. The system should then boot up normally.
- Solution: Replace the logic board battery with a 3.6v 1200mAh 1/2AA lithium battery
- Vertical lines, horizontal lines or snow on video
- Solution 1: Check cable connecting monitor to video port
- Solution 2: Reseat VRAM SIMMs
- Solution 3: Replace VRAM SIMMs
- Eight-tone error chord at startup
- Solution 1: Reseat RAM SIMM
- Solution 2: Replace RAM SIMM
SHOPPING
- Part Numbers
- M1821LL/A – Macintosh Quadra 605 with 4MB RAM, 512K VRAM, and internal 80MB hard disk drive
- M1822LL/A – Macintosh Quadra 605 with 8MB RAM, 512K VRAM, and internal 160MB hard disk drive
- M0517LL/A – VRAM Expansion Kit (two kits required for expansion to 1MB VRAM)
- M1507LL/A – 4MB DRAM Expansion Kit
- M1508LL/A – 8MB DRAM Expansion Kit
- M2460Z/A – Apple Ethernet LC Twisted-Pair Card
- M9060LL/A – Apple PlainTalk Microphone
DISCUSSION FORUMS
REVIEWS
OTHER RESOURCES
- Macintosh Garden – software downloads
- “Tombstone Mac” custom Quadra 605 case also featured in Wired magazine