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| Author | Getting 7.6.1 installed (Read 19534 times) | ||||||||||||||||||||||||||||||||||
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jwally
8 MB  Posts: 12 
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on: October 24, 2006, 21:34
I'm having continuing problems getting my PM 8500 up and running on 7.6.1. I found 3 4Gb SCSI drives with the "standard" 50pin connectors. All are successfully initialized and partitioned (1 partition) as a "boot drive" with Hard Disk Toolkit. I've tested each of the drives using TechTool Pro, and tested the 448Mb system RAM as well. All tested good. I reformatted the original 2Gb drive with 7.5.5 when I first got the machine, so I know the optical drive is functioning. So far, so good. I got a 7.6.1 install disk on eBay and can't seem to get it installed on the 4Gb drives. (I've also tried to install 7.5.5 and 8.0 from original install disks too) I know the latter two disks work, and I've some confidence that the eBay disk is OK too. Having this much problem with what would seem to be such a simple installation project tells me that the only common denominator - ME - is somehow not functioning correctly. The machine is good. I've tested the original drive in all positions, and have moved the 4Gb drives into and out of the machine with no problems in drive recognition. And the memory testing was extensive - and time consuming. I know it is good. So what do you guys think I am missing? |
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dpaanlka
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1024 MB Posts: 1646
Reply #1 on: October 24, 2006, 22:06
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Amazingly, in that huge block of text you didn't actually tell us what the problem is :shock: Is it not booting from your CD? Is the installer crashing? Giving you errors? Does it freeze?
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jwally
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8 MB Posts: 12
Reply #2 on: October 25, 2006, 01:42
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Amazing how much we assume we say . . Sorry about that. I am unable to get any of the system install disks to complete the install. 7.6.1 freezes the machine at install of the desktop printer extension. The fingers keep counting for another 5 minutes or so, and then they freeze too. The only way to reset the system is to unplug. The other OS installs quit in the same way (I just didn't memorize where). I restart using the older disk (OS 7.5.5) and clean the partial system files off of the 4Gb drive I was installing to, check the system again and then remove the older disk to restart with the install disk and try again. I've even reformatted and partitioned a new disk into 2 2Gb sections and tried that with no luck. Beyond the time consuming disk and RAM testing, I think I'm out of options. There has to be something I don't know that could be tripping me up.
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dpaanlka
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1024 MB Posts: 1646
Reply #3 on: October 25, 2006, 01:45
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Have you tried booting with extensions disabled (holding down shift)?
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jwally
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8 MB Posts: 12
Reply #4 on: October 25, 2006, 04:01
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Of course when I try extensions off with the 7.5.5 boot drive, the CD isn't even recognized. When I disable the good boot drive, the machine does boot off of the CD with extensions disabled. Makes no difference in the installation of the new system though. Still stops installing on the desktop printer extension, and the fingers stop counting after a few minutes. The reset button doesn't work at all while the fingers are counting, I notice. The machine reads all the programs it wants to install off the disk, reads the system, writes two or three programs to the disk and then stops at the desktop printer extension. I used the hard disk toolkit (FWB) to check the disk, and both partitions are bootable, the disk shows no bad sectors when I test. The drive in question is a Seagate ST15150N Baracuda 4disk, 4Gb drive running at 7200 rpm. The other two drives are Identical. The original boot drive is a Seagate ST32151N Hawk 2XL running at (I think) 5400 rpm. Could the rotational speed of the newer drives have anything to do with the problem?
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dpaanlka
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1024 MB Posts: 1646
Reply #5 on: October 25, 2006, 05:26
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No, rotational speed has nothing to do with it. I have 10,000rpm drives in many machines. You must have a bad CD, even if disk utilities aren't detecting it as such.
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jwally
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8 MB Posts: 12
Reply #6 on: October 28, 2006, 00:10
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Sorry it took so long to get back to you. It doesn't appear to be the disk. I have successfully installed OS 7.6.1 onto the original 2Gb disk with no problem. I'm thinking that the problem may lie with the fact that the new disk is described as "SCSI-2 Fast" and should probably reside on a controller card capable of matching it. I do have an "ADAPTEC 2930C" controller card that should match, but the drivers available from their website (PowerDomain 2930) are described as for OS8 and above. I don't see any Adaptec drivers on your help page, and I'm wondering if I should go ahead and try to download their OS8 driver and try that? Or maybe you have a better idea? (I'm kind of counting on it . . ) Thanks for your help so far. At least we know what the problem isn't! Wally
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dpaanlka
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1024 MB Posts: 1646
Reply #7 on: October 28, 2006, 04:25
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Yes, I would say go ahead and try that. Most everything that requires Mac OS 8.0 or 8.1 will also run on 7.6.1 since they're almost the same OS. The reason they don't list the requirement as being lower is, by the time those drivers were made, there were few System 7 machines lying around to test them on. Besides, if it doesn't work, all you have to do is delete the extension from your System folder. Classic Mac drivers don't have any crazy DLL or configuration files like Windows and Mac OS X.
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Old Mac Geezer
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64 MB Posts: 112
Reply #8 on: February 14, 2007, 23:15
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I'd like to know how the original poster got on with his installation. I plan to be upgrading the crap out of a PM7500 soon and will likely run into the same problems.
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