Can you name this tune?
Mark Romans
romans at pacbell.net
Tue Jul 27 04:50:57 GMT 1999
I'm not an electronics type, well maybe a wee bit, but the prom ran great
with pin 28 cut! No two reads were the same with it cut. Soldered it back
and it read perfect!
Want a copy of an 87 Vet automatic TPIS Level 2 chip?
Mark
-----Original Message-----
From: Shannen Durphey <shannen at grolen.com>
To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
Date: Monday, July 26, 1999 6:37 PM
Subject: Re: Can you name this tune?
>Teller.John at orbital.com wrote:
>>
>> Pin 28 on an EPROM is usually VCC (+5V). The part will not function
properly
>> without it! Are you sure the pin didn't get broken off somehow?
>>
>> --- John T.
>>
>> >TPIS puts happy faces on their proms and paints them gold. I bought a
TPIS
>> >level 2 chip. Word of caution. Unless it's an early chip, the glue the
lid
>> >on with silicone and cut pin 28 so you can't read the chip.
>> >I read it anyway. I WIN!
>> >Mark
>
>Yup, they glued the lid on, and cut two pins. First I wasted a bunch
>of time verifying that I couldn't read the bin. The I decided that
>the glued cover was there to prevent me from looking underneath, so I
>looked underneath. ; ) First find was a cut pin. A small jumper made
>from a safety pin allowed reads, but no two reads were alike. More
>time spent cleaning the cut pin and the jumper, then went back to
>digging away the rest of the silicone and voila! a second cut pin.
>After fashioning another jumper, I got a good repeatable read. I
>removed the jumpers, put eyebrows on the happy face, glued the cover
>on and sent the car on it's way.
>I won too. The prom _did_ work with these two pins cut, whichever
>ones they were.
>Shannen
>
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