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CF74038

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i440bx



Joined: 30 May 2004
Posts: 1349
Location: Germany
PostPosted: Wed Jan 17, 2007 11:44 am    Post subject: CF74038 Reply with quote
Hey guys,

from my Mom's Car is the Digital-Clock damaged. Today i got a new one from the scrap yard. I have 48 Hours, to give back the clock.

I want to test the Clock, but i need the pinout from the Chip. A 12V battery is in my Room. I must only know the power supply Wink

Greetings, Robert

EDIT: The gray connector is the power supply. The Clock can also show the Temperature, and it's programmable from the car computer. Thats why there are more pins!
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i440BX
My collection: http://www.x86-guide.net/i440bx/en/collection.html
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chip68



Joined: 19 Oct 2004
Posts: 1024
Location: Central Pennsylvania
PostPosted: Wed Jan 17, 2007 12:44 pm    Post subject: Re: CF74038 Reply with quote
i440bx wrote:
I must only know the power supply Wink


Should be easy enough to figure out from the PCB... Trace from the 100uF bypass cap to where it connects to either chip. Those are your supply pins.

- CMW
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