Subject: Re: Two dead AXPpxi33 boards?
To: Berndt Josef Wulf <>
From: Wilko Bulte <>
List: port-alpha
Date: 10/18/2001 13:45:04
On Thu, Oct 18, 2001 at 08:08:56PM +0930, Berndt Josef Wulf wrote:

> Whatever you do, don't test the working CPU in the two apparent dead
> boards as you risk to fry it.

Good advice.. LCA CPUs are in direct, unbuffered, intimate contact with 
lot of the logic on the MLB, so if something is fishy there you can
easily fry a CPU.

> don't know what voltage is expected at the output, but it should be
> substantially lower that +5V (appr. 3V). You may find some information
> on the Internet.

I think LCA runs at 3.3Volts.

> to have two faulty CPU's, but I would spent some time testing the memory.
> I assume that the memory you're using is the correct type. If
> available try different memory modules that are known to work.
> Remember, you need a pair of 36 bit wide RAM.

And it must be fast page mode RAM, no EDO.

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