On Jan 31, 2005, at 12:41, Marc van Gemert wrote:
Eagle wrote:
OK, so here's an update:

*snip*

I verified that the HD is indeed the secondary master.  The CD-ROM is
the primary master.

This has to be the other way around for the B&W G3. The HD has to be the
primary master, and the CD the secondary master. Because the CD bus is
only ATA 16,67MHz, while the HD bus is ATA33MHz, not fast either , but
faster anyway.

This is interesting to me, because the way the box is cabled (internally) the interface labeled "Ultra ATA" (toward the front of the box) is for the HD, and the one labeled "IDE" (toward the back of the box) is for the optical drive.


Anyway, I reversed the drives and booted from my OS 9 CD-ROM. I successfully installed that and successfully booted OS 9 with the HD connected to the IDE interface.

I then reversed the connections (to what is normal for the box) and had the HD connected to the Ultra ATA interface. This time, the bootup bombed with the "error type 10" message I mentioned the other day.

Does this mean that in fact the onboard Ultra ATA interface -- and not the hard drive -- is bad?

Disk First Aid has repeatedly shown filesystem errors, which I resolved
either with Disk First Aid itself or by repartitioning or reformatting.

This means that you have data corruption. Could either be that the HD
doesn't like being on the CD bus, and/or the HD always gets corrupted by
the onboard IDE.

Because I could install with the interfaces reversed, I'm wondering if it's just the interface that is bad...


The B&W G3 Rev1 is known to have data corruption with certain drives.
Especially when using a slaved HD since the Rev1 does not work with
slave HDs at all. Buying a PCI IDE controller would solve this problem.

You might have seen my post about this earlier - are there any PCI IDE controllers that can be had for under $90? :(


Of course the HD could be bad anyway, you said you formatted the HD
several times but have you also done a low level format?

How do you do a low-level format on an IDE drive? Drive Setup won't do it, but I did do a "zero all bytes" format.


For the heck of it I would go out and get a new IDE drive, since they're
cheap nowadays, and get a PCI IDE controller a long with it. OWC is a
good reseller (www.macsales.com. Not affiliated BTW).

Thanks - I'll check them out.

Also although you've tested all three sticks, they could be bad anyway.
IMHO just get some PC133 256MB sticks aswell.

I'll start watching LEM-swap for that - thanks.

Eagle


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