TW201516689A - Expansion card - Google Patents

Abstract

An expansion card includes a circuit board. A plurality of peripheral component interconnection express (PCIe) slots, a PCIe expansion controller, a PCIe/SATA converter, a plurality of hard disk drive (HDD) controllers, and a plurality of storage chips are arranged on the circuit board. An edge connector is arranged on a bottom edge of the circuit board and includes a plurality of power pins, a plurality of ground pins, and a plurality of signal pins. The power pins are connected to power pins of each PCIe slot, the PCIe expansion controller, the PCIe/SATA converter, the HDD controller, and the storage chips. The signal pins are connected to an input terminal of the PCIe expansion controller. An output terminal of the expansion controller is connected to signal pins of each PCIe slot and an input terminal of the PCIe/SATA converter. An output terminal of the PCIe/SATA converter is connected to an input terminal of each HDD controller. Each HDD controller controls the storage chips to read or write data.

Description

Expansion Card

The present invention relates to an expansion card.

At present, the adapter card is often used in the server system to solve the problem that the expansion slot on the motherboard is not enough, and the problem that the expansion card connected to the expansion slot is too high to be used in the server system. However, these riser cards only have a transfer function and have fewer electronic components disposed thereon, and have a single function and waste board space.

In view of the above, it is necessary to provide an expansion card that fully utilizes the board space to expand functions.

An expansion card includes a board body, wherein the board body is provided with a plurality of PCIe slots, a PCIe expansion controller, a PCIe/SATA converter, a plurality of hard disk controllers and a plurality of memory chips, and the bottom side of the board body is provided There is a board edge connector for inserting into a PCIe slot on a motherboard. The board edge connector includes a plurality of power pins, a plurality of ground pins, and a plurality of signal pins, and the power pins are connected to each PCIe slot. Power pin, the PCIe switch controller, the PCIe/SATA converter, the hard disk controller, and the memory chips, for each PCIe slot, the PCIe expansion controller, the PCIe/SATA converter, The hard disk controllers and the memory chips provide operating voltages, the ground pins are connected to a ground plane of the board, and the signal pins are connected to the input end of the PCIe expansion controller, and the PCIe expansion controller The output end is connected to the signal pin of each PCIe slot and the input end of the PCIe/SATA converter. The PCIe expansion controller expands the PCI signal received through the signal pin into a plurality of PCI signals and provides the same to the PCI signal. PCIe slot and the PCIe/SATA conversion The output end of the PCIe/SATA converter is connected to the input end of each hard disk controller to convert the received PCI signal into a plurality of SATA signals and output to each hard disk controller, and each hard disk controller The storage chip is controlled according to the received SATA signal for reading and writing data.

The output voltage of the motherboard is provided to the expansion card through the power pin of the board edge connector, and the PCI signal outputted by the motherboard is provided to the PCIe slot and through the PCIe through the signal pin of the board edge connector and the PCIe expansion controller. The /SATA converter is provided to the hard disk controller such that the function card plugged into the PCIe slot communicates with the motherboard, and the hard disk controller controls the memory chip for data reading and writing. The expansion card takes full advantage of the space of the board to expand its functionality.

100‧‧‧Extension card

10‧‧‧ board

18‧‧‧ Board edge connector

181‧‧‧Power pin

182‧‧‧ Grounding Pin

183‧‧‧Signal pin

16‧‧‧Bottom

12‧‧‧PCIe expansion controller

13‧‧‧PCIe/SATA converter

14‧‧‧hard disk controller

15‧‧‧ memory chip

11, 210‧‧‧ PCIe slot

200‧‧‧ motherboard

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

Referring to FIG. 1 and FIG. 2, a preferred embodiment of the expansion card 100 of the present invention includes a rectangular plate body 10. The board body 10 is provided with a plurality of PCIe slots (two PCIe slots 11 in this embodiment), a PCIe expansion controller 12, a PCIe/SATA converter 13, and a plurality of hard disk controllers (in this embodiment) There are two hard disk controllers 14) and a plurality of memory chips (four memory chips 15 in this embodiment). The PCIe slot 11 is disposed on the back of the board 10, and the PCIe expansion controller 12, the PCIe/SATA converter 13, the hard disk controller 14, and the storage chip 15 are disposed on the front surface of the board 10. Each of the hard disk controllers 14 is connected to two memory chips 15.

The bottom edge 16 of the board body 10 is provided with a board edge connector 18 for inserting into a PCIe 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. Complex signal pin 183. The power pins 181 connect the power pins of each PCIe slot 11, the PCIe expansion controller 12, the PCIe/SATA converter 13, the hard disk controller 14, and the memory chip 15 to provide operating voltage thereto. The ground pins 182 are connected to a ground plane (not shown) of the board body 10, and the signal pins 183 are connected to the input ends of the PCIe expansion controller 12. The output of the PCIe expansion controller 12 is connected to the signal pin of each PCIe slot 11 and the input of the PCIe/SATA converter 13. The PCIe expansion controller 12 expands the PCI signal received through the signal pin 183 into a plurality of PCI signals and provides the PCIe slot 11 and the PCIe/SATA converter 13 respectively. The output of the PCIe/SATA converter 13 is connected to the input of each hard disk controller 14 to convert the received PCI signal into a plurality of SATA signals and output to each hard disk controller 14. Each hard disk controller 14 controls the corresponding memory chip 15 to read and write data according to the received SATA signal. In the present embodiment, the board edge connector 18 is a board edge connector conforming to the PCIe X8 standard. The PCIe slot 11 is a PCIe X8 slot.

In use, the expansion card 100 is inserted into the PCIe slot 210 of the motherboard 200 through the board edge connector 18, and the function card to be used is correspondingly plugged into the PCIe slot 11. The motherboard 200 is turned on, and the voltage outputted by the motherboard 200 is supplied to the PCIe slot 11 and the PCIe on the expansion card 100 through the PCIe slot 210 and the power pin 181 of the board connector 18 on the board 10. The controller 12, the PCIe/SATA converter 13, the hard disk controller 14, and the memory chip 15 are expanded. The PCI signal outputted by the motherboard 200 is provided to the PCIe expansion controller 12 through the PCIe slot 210 and the signal pin 183 of the board edge connector 18 on the board 10, and the PCIe extension controller 12 will receive the received signal. The PCI signal is expanded into a plurality of PCI signals and output to the function card plugged into the PCIe slot 11 and the PCIe/SATA converter 13. The function card communicates with the motherboard 200 according to the received PCI signal. The PCIe/SATA converter 13 converts the received PCI signal into a plurality of SATA signals and outputs the signals to each of the hard disk controllers 14. Each of the hard disk controllers 14 controls the corresponding memory chips 15 according to the received SATA signals. Data reading and writing.

The voltage outputted by the motherboard 200 is supplied to the expansion card 100 through the power pin 181 of the board connector 18. The PCI signal output from the motherboard 200 is transmitted through the signal pin 183 of the board connector 18 and the PCIe expansion controller 12. Provided to the PCIe slot 11 and provided to the hard disk controller 14 through the PCIe/SATA converter 13 to enable the function card plugged into the PCIe slot 11 to communicate with the motherboard 200, and the hard disk controller The memory chip 15 is controlled to read and write data. The expansion card 100 fully utilizes the space of the board body 10 to expand the function.

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

18‧‧‧ Board edge connector

181‧‧‧Power pin

182‧‧‧ Grounding Pin

183‧‧‧Signal pin

16‧‧‧Bottom

12‧‧‧PCIe expansion controller

13‧‧‧PCIe/SATA converter

14‧‧‧hard disk controller

15‧‧‧ memory chip

11‧‧‧PCIe slot

Claims (4)

An expansion card includes a board body, wherein the board body is provided with a plurality of PCIe slots, a PCIe expansion controller, a PCIe/SATA converter, a plurality of hard disk controllers and a plurality of memory chips, and the bottom side of the board body is provided There is a board edge connector for inserting into a PCIe slot on a motherboard. The board edge connector includes a plurality of power pins, a plurality of ground pins, and a plurality of signal pins, and the power pins are connected to each PCIe slot. Power pin, the PCIe switch controller, the PCIe/SATA converter, the hard disk controller, and the memory chips, for each PCIe slot, the PCIe expansion controller, the PCIe/SATA converter, The hard disk controllers and the memory chips provide operating voltages, and the ground pins are connected to a ground plane of the board, and the signal pins are connected to the input of the PCIe expansion controller, and the output of the expansion controller The PCIe expansion controller expands the PCI signal received through the signal pin into a plurality of PCI signals and supplies the PCIe to the PCIe. The PCIe expansion controller connects the PCI signal received by the signal pin to the PCIe/SATA converter. Slot and the PCIe/SATA converter The output end of the PCIe/SATA converter is connected to the input end of each hard disk controller, and the received PCI signal is converted into a plurality of SATA signals and output to each hard disk controller, and each hard disk controller is The received SATA signal controls the storage chip for reading and writing data. The expansion card of claim 1, wherein the PCIe slots are two, the hard disk controllers are two, the storage chips are four, and each hard disk controller is connected to two. Store the wafer. The expansion card of claim 1, wherein the PCIe slot is disposed on a back side of the board, the PCIe expansion controller, the PCIe/SATA converter, the hard disk controller, and the storage chips. Set on the front of the board. The expansion card of claim 1, wherein the board edge connector is a PCIe X8 standard board edge connector, and the PCIe slot is a PCIe X8 slot.