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Subject:
Re: additional chip on DIMMS
From:
Dave Gillett <[log in to unmask]>
Reply To:
PCBUILD - Personal Computer Hardware discussion List <[log in to unmask]>
Date:
Thu, 30 Sep 1999 03:53:14 -0800
Content-Type:
text/plain
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text/plain (16 lines) 
On 29 Sep 99, at 8:26, Roberto Safora wrote:

> What is that extra little chip, almos always on the upper corner
> of DIMMs? What is it used for?

  DIMMs designated "SPD" (Serial Presence Detect) include a small
EPROM chip, usually in an upper corner, which tells the BIOS about
the size and speed (timing parameters) of the RAM on the DIMM.

David G

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