on 3/29/02 11:24 AM, Alan Gentle at [EMAIL PROTECTED] wrote:

> Started up my 7300/180 running OS 8.6 this morning as normal. After
> ten minutes or so it froze so I did an Apple+Control+Delete.  No
> start-up chime - a black monitor screen.

Alan,

The simplest thing would be if a RAM chip or cache chip has failed. Reduce
the system to it's simplest possible configuration by taking out all but one
RAM chip and the L2 cache chip. I'm not sure if you would need to reset the
CUDA after doing this, but it wouldn't hurt to do so. If it then starts up,
you add things back one at a time, or test them one at a time, to see if you
can identify a faulty component.
Other components that could have gone bad all of a sudden are the processor
and VRAM chips. If you have access to another processor and PCI video card,
those also could be tested.

tafkar


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