Discussion:
Bally part number "5A-9903"
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infrared pinball
2021-03-26 08:49:33 UTC
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Hello,

i have a chip from a bally MPU but i do not remember the position i extract it.

The chip says "5A-9903" 7743

Is it 6810 static ram ?

Best regards
Michael
Gott Lieb?
2021-03-26 23:00:26 UTC
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Post by infrared pinball
Hello,
i have a chip from a bally MPU but i do not remember the position i extract it.
The chip says "5A-9903" 7743
Is it 6810 static ram ?
Best regards
Michael
5A-9003 is a Williams number, and is 6810 RAM.

Jim
infrared pinball
2021-03-27 13:48:19 UTC
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Post by Gott Lieb?
Post by infrared pinball
Hello,
i have a chip from a bally MPU but i do not remember the position i extract it.
The chip says "5A-9903" 7743
Is it 6810 static ram ?
Best regards
Michael
5A-9003 is a Williams number, and is 6810 RAM.
Jim
Jim,
I know it is williams but the part number says 5a-9903 not 5a-9003

For that reason i am not sure if it is a 6810.

Is it the same 9903 with 9003?

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