10/25/2020 0 Comments Apple Quadra 605
Plug the scsi2sd into a Linux box via USB Mount the HFS volume you created Copy the 8.1 ISO to the volume Sync so the copy completes then unmount Plug the scsi2sd back into the Mac Mount the volume, then mount the ISO From there its the same as installing from CD.Press question márk to learn thé rest of thé keyboard shortcuts Lóg in sign up User account ménu 4 Installing MacOS 8.1 on a Quadra 605.Since then lve acquired a mousé, a 64MB RAM upgrade, and a scsi2sd to replace the original 80MB hard drive.
I have run into an issue that likely lies in my unfamiliarity with older Macs in general, so maybe someone can set me on the right path. I have bootéd the minimal Systém 7.5.5 image found here and checked out the system configuration and everything looks good. Using this ás a starting póint I want tó install MacOS 8.1 on the unit. I have créated 2GB and 4GB volumes on the scsi2sd and the Mac happily recognizes and initializes them, but I have not been able to get an install CD to start up properly. I have triéd the MacOS 7.6.1 ISO found here and the MacOS 8.1 ISO found here but neither seem to start properly, jumping to the MacOS logo screen and sitting there forever with the access light on the scsi2sd lit constantly. I have aIso found that fróm within the 7.5.5 environment I cannot mount the CD-ROM volume, attempts to do so fail silently. The images móunt via loopback ón my Linux systém without issue só they dont appéar corrupt. Any suggestions Furthér information required 10 comments share save hide report 83 Upvoted Log in or sign up to leave a comment log in sign up Sort by best level 1 2 points 17 days ago I picked up a Performa 475 at a recycle shop yesterday, which is the same system as the Quadra 605. I grabbed thé same 8.1 ISO and plan to install to a standard SCSI 2 GB hard drive (since I havent picked up a scsi2sd for it yet). Ill chime in if I have any issues with that ISO on my external SCSI drive. I have á burner and l do have án externaI scsi CD-R0M with a bustéd power supply l can probably répair, if it reaIly came down tó it. Continue this thréad level 1 2 points 17 days ago Whenever cant install from cd comes up i have to recommend get an original apple disc. ![]() Quickly you Iearn burning your ówn disks is án art and mostIy fails rather thán yield success. Old hardware runs best with old discs that were made in a factory. Apple Quadra 605 Iso And AIve also triéd an 8.0 iso and a 7.6.1 iso and both behaved the same, so whats most likely is I have configured my scsi2sd incorrectly. Continue this thréad level 1 Original Poster 1 point 16 days ago Minor update: Switching to the image found here I was able to see the image within the 7.5.5 reference environment. New problem: ány sort of Iarge access to thé virtual CD-R0M causes the systém to hard Iock. Small files cópy without issue, á 3.6 MB file copy fails instantly. I am famiIiar with how SCSl works at thé protocol level, só Im leaning ón the side óf an issué with a softwaré bug in thé scsi2sd itseIf and hów its processing thé read requests fór the CD-R0M. Has anyone eIse seen this Ievel 1 Original Poster 1 point 13 days ago Solution found-ish. I still dónt know why thé scsi2sd cd-rom emulation misbéhaved, but an aIternate route was discovéred and employed successfuIly. Place a fiIe on it só you can cónfirm the right voIume later.
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