On Nov 4, 2005, at 2:58 PM, James Sanderson wrote:
Hi Listers,
I need some help with a B&W running 10.4.3 that constantly freezes
up. There is no rhyme or reason to when the panic happens, it just
does it. I might be opening a finder window for my apps, as it
populates the window, I see that sickening shade of dark grey color
the window. I might be getting mail--or have already gotten mail--
in Entourage, oops! There it goes again. I also have a number of
'unexpectedly quit' messages for various programmes, Mac or MS or
Open Source, it makes no difference.
What should I be looking for? Memory issues? IDE controller
issues (this is a rev 1 board). Hard drive issues?
I had a B&W Rev. 1 with exactly the same problems. OK in OS 9.x,
fairly stable but not completely in 10.3.x, twitchy and kernel
panicky in 10.4.x.
Swapped out more than a dozen sticks of PC 100 RAM, many with Apple
markings. All had run without incident in OS 9.x and in iMacs
running 10.4.x. No combination of RAM sticks would stabilize the
beast in 10.4.x.
Swapped out the non-original 300 MHz ZIF for original B&W 350 and 400
MHz cpus: same thing. Tried several known good hard drives: same
thing. Swapped out optical drives and peripherals: same thing.
Finally, I replaced the Rev. 1 logic board with a Rev. 2 400 MHz
unit, popped in four of the PC 100 RAM sticks I'd been trying before,
made no other changes (same original hard drive, ZIP, DVD, case,
power supply, peripherals, monitor, video card, etc.), and VOILA!, no
more kernel panics in 10.4.x.
I had virtually identical results with a second B&W Rev. 1 running an
original 350 MHz cpu. Others have reported similar experiences with
Rev. 1 B&W logic boards and 10.4.x in an earlier thread. They were
greeted with a mixture of responses ranging from disbelief to "could
be". My experience says, yes, there can be distinct incompatibilities
between Rev. 1 B&W logic boards and OS 10.4.x. As others have noted,
10.4.x is very choosy about which RAM sticks it will tolerate.
Perhaps there's something about the RAM slots and circuitry in Rev. 1
boards -- or the quality control thereof -- that's the ultimate culprit.
Recently, I had no trouble whatsoever installing and running 10.4.x
(to satisfy my curiosity; they were delivered with OS 9.1) without
kernel panics on about a half-dozen B&W Rev. 2 400 MHz systems I
vetted for a local computer recycling shop.
My experience says to get a Rev. 2 B&W logic board if you're trying
to run OS X 10.4.x Tiger.
-- Jim Scott
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