TW201512809A - Expansion card - Google Patents

Abstract

An expansion card includes a control chip, a plurality of memory storage chips, and a plurality of hard disk drive (HDD) storage chips connected to the control chip. A first edge connector is arranged on a bottom side of the expansion card for inserting into a memory slot of a motherboard. The first edge connector includes a plurality of first power pins connected to the memory storage chips, the HDD storage chips, and the control chip, a plurality of ground pins, and a plurality of first signal pins connected to the memory storage chips. An extending board is extended from a side of the expansion card. A second edge connector is arranged on the extending board and includes a plurality of second signal pins connected to the control chip and a plurality of second ground pins. The second edge connector communicates with a storage device interface of the motherboard.

Description

Expansion Card

The present invention relates to an expansion card.

With the advancement and development of computer technology, users are increasingly demanding the hard disk capacity and memory capacity of computer products. For different users, the demand for hard disk capacity and memory capacity may be uneven. Users who tend to store need larger storage capacity, while users who tend to calculate need more memory space. Current computer products meet the requirements of memory capacity and hard disk capacity by connecting memory and solid state hard disk. However, using memory and solid state hard disk will occupy the memory slot on the motherboard, which will enable The number of memory slots on the motherboard increases, which increases cost and takes up board space.

In view of the above, it is necessary to provide an expansion card that does not occupy excessive memory slots on the motherboard while satisfying the memory capacity and the capacity of the hard disk.

An expansion card includes a board body, wherein the board body is provided with a main control chip, a plurality of memory storage chips, and a plurality of hard disk storage chips connected to the main control chip, and a bottom side of the board body is provided with a plug-in a first board edge connector of the memory slot on the motherboard, the first board edge connector includes a plurality of first power pins, a plurality of first ground pins, and a plurality of first signal pins, the first power source Connecting the memory storage chip and the hard disk storage chip and the main control chip, the first ground pin is connected to the ground layer of the board body, and the first signal pin is connected to the memory storage chip along the board body An extension board body coplanar with the board body is disposed on one side of the board, and a second board edge connector is disposed on the extension board body, the second board edge connector includes a plurality of second signal pins and a plurality of a second ground pin connected to the main control chip, the second ground pin is connected to a ground pin on the board, and the second board edge connector is used for storage on the motherboard Device interface communication.

The hard disk signal outputted by the motherboard is transmitted to the main control chip on the expansion card through the second board edge connector, and the memory signal output by the motherboard is transmitted through the expansion slot and the signal pin on the expansion card. The memory is stored on the memory card of the expansion card, so that the motherboard can meet the requirements of the memory capacity and the hard disk capacity through the expansion card. The expansion card is low cost and does not occupy too many memory slots on the motherboard.

100‧‧‧Extension card

10‧‧‧ board

15, 211‧‧‧ side

14, 24‧‧‧ grooves

11, 20‧‧‧ memory chips

19‧‧‧Master chip

18, 13‧‧‧ board edge connector

12‧‧‧Extended plate

111‧‧‧Storage device connector

16‧‧‧Bottom

181‧‧‧Power pin

182‧‧‧ Grounding Pin

183‧‧‧Signal pin

200‧‧‧ motherboard

210‧‧‧ memory slot

4‧‧‧ Cable

7‧‧‧Fixed parts

3, 5, 6‧‧‧ storage device interface

1 is a schematic view of a preferred embodiment of a front side of an expansion card of the present invention.

2 is a schematic view of a preferred embodiment of the back side of the expansion card of the present invention.

3 is a schematic diagram of the expansion card of FIG. 1 connected to a motherboard.

Referring to FIG. 1 to FIG. 3, a preferred embodiment of the expansion card 100 of the present invention includes a rectangular board body 10. The front side of the board body 10 is provided with a memory capacity unit, and the memory capacity unit includes a plurality of memory storage chips. 11. A hard disk capacity unit is disposed on the back surface of the board body 10. The hard disk capacity unit includes a master wafer 19 and a plurality of hard disk storage chips 20 connected to the master wafer 19. In the present embodiment, the memory storage chip 11 is the same as the memory chip on the normal memory card, such as a read-only memory, a random memory or a cache memory, and the memory storage chip 11 is used as the motherboard 200. The memory stores the data; the hard disk storage chip 20 is the same as the memory chip on the conventional hard disk, such as a flash memory chip, and the hard disk storage chip 20 serves as a hard disk of the motherboard 200 to store data. An extending plate body 12 coplanar with the plate body 10 is defined along a side edge 211 of the board body 10. The board body 12 is provided with a board edge connector 13 , the board edge connector 13 and the extension board The body 12 together constitutes a storage device connector 111. The board edge connector 13 includes a plurality of signal pins and a plurality of ground pins. The signal pin includes a pair of signal input pins and a pair of signal output pins. The ground pin includes three ground pins. The signal input pin and the signal output pin are connected to the master wafer 19 through traces on the board 10. The ground pin is connected to a ground plane (not shown) of the board body 10.

The bottom edge 16 of the board 10 is provided with a board edge connector 18 for insertion into a memory slot 210 on a motherboard 200. The board edge connector 18 includes a plurality of power pins 181 and a plurality of ground pins 182. And complex signal pin 183. The power pin 181 is connected to the memory storage chip 11 and the hard disk storage chip 20 and the main control chip 19 to provide an operating voltage. The ground pin 182 is connected to the ground layer of the board 10 (not shown). The signal pin 183 is connected to the memory storage chip 11. A recess 14 is defined in the side 211 of the plate body 10 below the extension plate body 12. The other side edge 15 of the plate body 10 has another groove 24 at a position corresponding to the groove 14.

The storage device connector 111 is configured to be connected to the storage device interface 3 to communicate with the motherboard 200 through a cable 4 connected to the storage device interface 3. In this embodiment, the storage device connector 111 is a SATA-compliant connector, and the storage device interface 3 is a SATA connector. In other embodiments, in order to facilitate connection of the motherboard 200 through the storage device connector 111, the storage device connector 111 may be disposed on other sides of the board 10, such as the side 15, as needed.

In use, the expansion card 100 is inserted into the memory slot 210 of the motherboard 200 through the edge connector 18, and the recesses 14 and 24 cooperate with the fixing member 7 on the memory slot 210 to The expansion card 100 is fixed on the memory slot 210. The storage device connector 111 is plugged into the storage device interface 3. The board edge connector 13 of the storage device connector 111 and the storage device interface 3 are The pins are electrically connected. The storage device interface 3 is connected to the storage device interface 6 on the motherboard 200 through the storage device interface 5 at the other end of the cable 4.

The motherboard 200 is turned on, and the voltage outputted by the motherboard 200 is supplied to the main control chip 19 on the expansion card 100 through the memory slot 210 and the power pin 181 of the board connector 18 on the board 10. The memory storage chip 11 and the hard disk storage chip 20 are provided, and the memory signal outputted by the motherboard 200 is provided to the signal slot 183 of the board edge connector 18 on the memory slot 210 and the board 10 The memory storage chip 11 is configured to control the memory storage chip 11 for reading and writing data, and the hard disk control signal outputted by the motherboard 200 passes through the storage device interface 6, 5 and the cable 4, the storage device interface 3, and the The board edge connector 13 of the storage device connector 111 is transferred to the master control chip 19 of the expansion card 100. The master control chip 19 controls the hard disk storage chip 20 to read and write data according to the received hard disk control signal.

The hard disk signal outputted by the motherboard 200 is transmitted to the hard disk capacity unit of the expansion card 100 through the storage device connector 111, and the memory signal output by the motherboard 200 is transmitted through the expansion slot 210 and the expansion card 100. The signal pin 183 is transmitted to the memory capacity unit on the expansion card 100, so that the motherboard 200 can meet the requirements of the memory capacity and the hard disk capacity through the expansion card 100. The expansion card 100 is low in cost and does not occupy too many memory slots on the motherboard 200.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

no

100‧‧‧Extension card

10‧‧‧ board

15, 211‧‧‧ side

14, 24‧‧‧ grooves

11‧‧‧ memory chip

18, 13‧‧‧ board edge connector

12‧‧‧Extended plate

111‧‧‧Storage device connector

16‧‧‧Bottom

181‧‧‧Power pin

182‧‧‧ Grounding Pin

183‧‧‧Signal pin

Claims (4)

An expansion card includes a board body, wherein the board body is provided with a main control chip, a plurality of memory storage chips, and a plurality of hard disk storage chips connected to the main control chip, and a bottom side of the board body is provided with a plug-in a first board edge connector of the memory slot on the motherboard, the first board edge connector includes a plurality of first power pins, a plurality of first ground pins, and a plurality of first signal pins, the first power source Connecting the memory storage chip and the hard disk storage chip and the main control chip, the first ground pin is connected to the ground layer of the board body, and the first signal pin is connected to the memory storage chip along the board body An extension board body coplanar with the board body is disposed on one side of the board, and a second board edge connector is disposed on the extension board body, the second board edge connector includes a plurality of second signal pins and a plurality of a second ground pin connected to the main control chip, the second ground pin is connected to a ground pin on the board, and the second board edge connector is used for storage on the motherboard Device interface communication. The expansion card of claim 1, wherein the extension board and the second board edge connector form a storage device connector, and the storage device connector is a connector conforming to the SATA standard. The expansion card of claim 1, wherein the second signal pin comprises a pair of signal input pins and a pair of signal output pins, and the second ground pin comprises three ground pins. The expansion card of claim 1, wherein the memory storage chip is disposed on a front surface of the board and is the same as a memory chip on a memory card; the hard disk storage chip and the main control chip are disposed at On the back side of the board, the hard disk storage wafer is the same as the memory chip on the hard disk.