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| Author | Can't boot from external CD on 3400c and 540c (Read 19947 times) | ||||||||||||||||||||||||||||||
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randux
8 MB  Posts: 10 
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on: February 25, 2007, 17:13
Hi guys, I found some brilliant old lappies at an office closure a few months earlier and I'm just now getting round to trying to bring them back to life. I've got a 3400c and a 540c (possibly with the ppc upgrade- I see the package but don't know how to check if it's been installed but it sure runs for a 68k!). These boxes both have floppy drives built in and there's an external Apple CD drive. They both start fine but there seem to be loads of rubbish installed and documents from the old business and rather than sort through I just want to start at the beginning. I'm trying to do clean installs (that is clean by the world's meaning, not Apple's which seems not to make sense). I want to wipe all the rubbish off these drives and install new OS. I've got CDs for OS 7.5.3, 7.6, 8, 8.5, and 9 possibly others. I don't know how to do this since there's no built-in CD. I don't have any OS on floppy except something so old that the 540 won't even boot from it. Can these boxes boot from the external Apple CD? It's got two SCSI connectors at the back and I've got it connected to the 3400c at the moment with the square adapter. When the unit is on the Mac will not boot. When I turn it off it boots but doesn't seem to see the drive. I don't know which of the two SCSI connectors on the back of the CD I should use. When I connect the CD drive and start the 3400 it just shows a grey screen with the arrow cursor and then sits there doing nothing at all. Can anyone help me clean these old boxes up and install an OS from one of my CDs? Thanks, Rand |
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Rafas
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32 MB Posts: 33 
Reply #1 on: February 25, 2007, 18:24
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Maybe you need a SCSI terminator in your external CD-Rom Unit. The SCSI terminator is used by the computer to determinate end of scsi bus. You CD-Rom unit have two scsi connectors, one for the cable to computer, and the other for another cable to scsi device (until six) or scsi terminator. If you dont end SCSI bus wiht a terminator, you computer dont' startup. For more informatiuon check: Connecting SCSI devices to your Mac Regards :-)
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randux
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8 MB Posts: 10
Reply #2 on: February 25, 2007, 19:54
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Hi and thank you for your post. That page is confusing because it says some devices have built in termination. This is an Apple CD drive and I think it should be automatically terminated. It would be better if someone actually knew whether it was possible to boot from Apple's external CD or not on these powerbooks. Maybe someone knows the answer.
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randux
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8 MB Posts: 10
Reply #3 on: February 25, 2007, 20:29
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it's the model 600e CD drive.
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randux
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8 MB Posts: 10
Reply #4 on: February 25, 2007, 22:08
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I found on this page the info to boot from external CD. http://www.jagshouse.com/68kfaq.htm You can press shift-ctrl-option-delete while starting up. The 600e drive must be internally terminated because everything is working fine. I can't boot my 7.6 disk though. It's a bit odd because the version 8 disk works fine.
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Rafas
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32 MB Posts: 33
Reply #5 on: February 26, 2007, 16:20
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The CD-Rom 600e from Apple, needs terminator. Here a picture how looks: http://homepage.mac.com/amcintosh/Sites/iSale/Pictures/1171853544_0.jpg You can damage your equipment if you don't use it. Units with internal terminator, show on/off switch to use it.
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randux
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8 MB Posts: 10
Reply #6 on: February 26, 2007, 16:50
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thank you very much for this picture. It does work ok without it but if I can get one of course it's much better to use it.
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tomlee59
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8 MB Posts: 12
Reply #7 on: May 06, 2007, 08:41
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Lack of termination won't physically damage anything, so that's not a concern. It can cause data errors, but more often just prevents the mac from recognizing the presence of the drive (either reliably, or at all). If it's working stably, then be happy. External termination of drives connected to powerbooks can be a bit tricky because termination power is not supplied by those macs; the power has to come from the external unit itself. If it's not already configured to do so, you typically have to open up the drive and move some jumpers around. Since your configuration is currently working, it would seem that this is already taken care of.
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