> Keep in mind that no RAM checker available for the Mac will check the
> RAM where the Mac OS is stored. So, on x500 machines, e.g., it is
> good to put a known good DIMMs in A1 and A4 (A1 and A6 on the
> 9500/9600) and put any DIMMs to be tested in A2 and A3. The DIMMs
> in A1 and A4 will cover the OS (if they're large enough) to make sure
> that A2 and A3 are completely tested.
How would the above apply to a 9150 which has 8 meg of soldered on RAM,
which is what I suspect to be the possible problem????
I have had some improvements in the behavior of this thing. After
having replaced the motherboard and been through hours of troubles and
troubleshooting, ultimately ended up with reformatted drives (not by
choice), fresh installs of OS 8.1 and 8.6. (8.6 seems to be the more
reliable of the two), and a Sonnet G3 250/512 accelerator (which it seems to
work better with than without). I am getting about 50% good startups.
Typically restarting with or without zapping the PRAM will get me back in
business. Fortunately the Finder crashes have dropped to a minimum.
Would an old unused Logic Board take some time to "warm-up"? It seems
the more uptime I get with it, but more reliable it becomes.
David
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