Granted Patent B2

US 11,394,141 · App. 16/935,852 · Granted Jul 19, 2022

Inventors: Arnold Thomas Schnell (Hutto, TX); Joseph Daniel Mallory (Cedar Park, TX)

Assignee: Dell Products L.P.

H01R12/592G06F13/409G06F13/4068H01R12/7017H01R12/77

Abstract

Claims (64)

1. An information handling system, comprising:

a first z-axis compression connector having a first depth;

a first dual in-line memory module (DIMM);

a second z-axis compression connector having a second depth that is different from the first depth;

a second DIMM; and

a printed circuit board, wherein a first side of the first compression connector is affixed to the printed circuit board, a first surface of a first memory circuit board of the first DIMM is affixed to a second side of the compression connector, a first side of the second compression connector is affixed to a second side of the first memory circuit board, and the first side of a second memory circuit board of the second DIMM is affixed to a second side of the second compression connector.

2. The information handling system of claim 1 , wherein:

the first compression connector includes an array of first contact elements on the second side of the first compression connector;

the first DIMM includes:

an array of first surface contact connections on the first surface of the first memory circuit board, wherein each first surface contact connection is configured to be engaged with an associated one of the first contact elements; and

an array of second surface contact connections on a second surface of the first memory circuit board, each second surface contact connection being connected to an associated one of the first surface contact connections;

the second compression connector includes an array of second contact elements on a first side of the second compression connector, and an array of third contact elements on a second side of the second compression connector, each third contact element being connected to an associated one of the second contact elements, and each second contact element configured to be engaged with an associated one of the second contact connections; and

the second DIMM includes an array of third surface contact connections on the first surface of the second memory circuit board, each third surface contact connection configured to be engaged with an associated one of the third contact elements.

3. The information handling system of claim 2 , wherein:

the first DIMM includes a plurality of first memory devices mounted on at least one of the first and second surfaces of the first memory circuit board;

the second DIMM includes a plurality of second memory devices mounted on at least one of the first surface and a second surface of the second memory circuit board; and

the first and second memory devices are arranged to be accessed via one of at least two memory channels.

4. The information handling system of claim 3 , wherein a first set of the first surface contact connections associated with a first one of the memory channels is arranged as a mirror image of a second set of first surface contact connections associated with a second one of the memory channels with respect to a middle row of the surface contact connections.

5. The information handling system of claim 3 , wherein a first set of the first surface contact connections associated with a first one of the memory channels is arranged as a mirror image of a second set of first surface contact connections associated with a second one of the memory channels with respect to a middle column of the surface contact connections.

6. The information handling system of claim 3 , wherein the first and second DIMMs are each fifth generation Double Data Rate DIMMs.

7. The information handling system of claim 6 , wherein the first and second memory devices are arranged to be accessed via four memory channels.

8. The information handling system of claim 7 , wherein a first set of the first surface contact connections associated with a first memory channel and a second set of the first surface contact connections associated with a second memory channel are arranged as a mirror image of a third set of the first surface contact connections associated with a third memory channel and a fourth set of the first surface contact connections associated with a fourth memory channel with respect to a middle row of the surface contact connections.

9. The information handling system of claim 8 , wherein the first set of the first surface contact connections and the third set of the first surface contact connections are arranged as a mirror image of the second set of the first surface contact connections and the fourth set of the first surface contact connections with respect to a middle column of the surface contact connections.

10. A method, comprising:

affixing a first side of a first z-axis compression connector to a printed circuit board of an information handling system, the first compression connector having a first depth;

affixing a first surface of a first memory circuit board of a first dual in-line memory module (DIMM) to a second side of the first compression connector;

affixing a first side of a second z-axis compression connector to a second surface of the first memory circuit board, the second compression connector having a second depth that is different from the first depth; and

affixing a first surface of a second memory circuit board of a second DIMM to a second side of the second compression connector.

11. The method of claim 10 , further comprising:

providing, on the second side of the first compression connector, an array of first contact elements;

providing, on the first side of the first memory circuit board, an array of first surface contact connections, wherein each first surface contact connection is configured to be engaged with an associated one of the first contact elements;

providing, on the second side of the first memory circuit board, an array of second surface contact connections, each second surface contact connection being connected to an associated one of the first contact connections;

providing, on a first side of the second compression connector, an array of second contact elements, wherein each second contact element is configured to be engaged with an associated one of the second contact connections;

providing, on a second side of the second compression connector, an array of third contact elements, each third contact element being connected to an associated one of the second contact elements; and

providing, on the first surface of the second memory circuit board, an array of third surface contact connections, wherein each third surface contact connection is configured to be engaged with an associated one of the third contact elements.

12. The method of claim 11 , further comprising:

mounting, on at least one of the first and second surfaces of the first memory circuit board, a plurality of first memory devices;

mounting, on at least one of the first and second surfaces of the second memory circuit board, a plurality of second memory devices; and

accessing, via one of at least two memory channels, the first and second memory devices.

13. The method of claim 12 , further comprising:

arranging a first set of the first surface contact connections associated with a first one of the memory channels as a mirror image of a second set of first surface contact connections associated with a second one of the memory channels with respect to a middle row of the surface contact connections.

14. The method of claim 12 , further comprising:

arranging a first set of the first surface contact connections associated with a first one of the memory channels as a mirror image of a second set of first surface contact connections associated with a second one of the memory channels with respect to a middle column of the surface contact connections.

15. The method of claim 12 , wherein the first and second DIMMs are each fifth generation Double Data Rate DIMMs.

16. The method of claim 15 , wherein the first and second memory devices are arranged to be accessed via four memory channels.

17. The method of claim 16 , further comprising:

arranging a first set of the first surface contact connections associated with a first memory channel and a second set of the first surface contact connections associated with a second memory channel as a mirror image of a third set of the first surface contact connections associated with a third memory channel and a fourth set of the first surface contact connections associated with a fourth memory channel with respect to a middle row of the surface contact connections.

18. The method of claim 17 , further comprising:

arranging the first set of the first surface contact connections and the third set of the first surface contact connections as a mirror image of the second set of the first surface contact connections and the fourth set of the first surface contact connections with respect to a middle column of the surface contact connections.

19. An information handling system, comprising:

a processor;

a first z-axis compression connector having a first depth;

a first dual in-line memory module (DIMM) including a plurality of first memory devices mounted on at least one of a first surface and second surface of a first memory circuit board of the first DIMM;

a second z-axis compression connector having a second depth that is different from the first depth;

a second DIMM including a plurality of second memory devices mounted on at least one of a first surface and second surface of a second memory circuit board of the second DIMM; and

a printed circuit board, wherein a first side of the first compression connector is affixed to the printed circuit board, the first surface of the first memory circuit board is affixed to a second side of the compression connector, a first side of the second compression connector is affixed to the second side of the first memory circuit board, and the first side of the second memory circuit board is affixed to a second side of the second compression connector;

wherein the processor accesses the first and second memory devices via one of at least two memory channels.

20. The information handling system of claim 19 , wherein:

the first compression connector includes an array of first contact elements on the second side of the first compression connector;

the first DIMM includes:

an array of first surface contact connections on the first surface of the first memory circuit board, wherein each first surface contact connection is configured to be engaged with an associated one of the first contact elements; and

an array of second surface contact connections on a second surface of the first memory circuit board, each second surface contact connection being connected to an associated one of the first surface contact connections;

the second compression connector includes an array of second contact elements on a first side of the second compression connector, and an array of third contact elements on a second side of the second compression connector, each third contact element being connected to an associated one of the second contact elements, and each second contact element configured to be engaged with an associated one of the second contact connections; and

the second DIMM includes an array of third surface contact connections on the first surface of the second memory circuit board, each third surface contact connection configured to be engaged with an associated one of the third contact elements.

Assignments (9)