By sizzling do you mean that if you put some spit on them it sizzles? Way
too hot! Replace then try again - someone put them in backwards and
destroyed them if that is the case - or you had an overvoltage on the +5
and perhaps more ICs are blown as well (sad).
John :-#(#
At 10:55 PM 16/09/2003 -0600, Tim Tewalt wrote:
>My Gravitar board has sizzling RAM at N/P1 and K7. They are TI
>TMS4016-15NL devices. Sound correct? Is there a recommended substitute
>part? The pins are black and the packages are too hot to touch. Common
>problem?
>
>I have the board on a test bench powered by a known good A/R II board,
>but am unable to get a display in XY mode on my scope. I should be able
>to get some sort of a disply even *without* the two RAM chips, right?
>
>Sorry for not knowing this by now, but is there anything else I should
>be looking for? Seems strange they would both fail in this manner, but
>maybe not? These were the only two devices that were burning hot, so
>I just thought I'd start with these.
>
>Thanks in advance for any and all advice.
>
>Tim
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Received on Wed Sep 17 01:22:37 2003
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