CN203799366U - External PCIe (Peripheral Component Interconnect Express) bus slot expansion system - Google Patents

Abstract

The utility model relates to an external PCIe (Peripheral Component Interconnect Express) bus slot expansion system which comprises an external PCIe expansion card, an external bus slot motherboard and a display port transmission line, wherein the external PCIe expansion card is provided with a first display port connection end; the external bus slot motherboard is provided with a second display port connection end and a plurality of bus slots; the external PCIe expansion card and the external bus slot motherboard are arranged in different devices respectively; and the display port transmission line is connected between the first display port connection end and the second display port connection end.The first display port connection end, the second display port connection end and the display port transmission line can transmit PCIe signals by modifying definitions of connection pins of the first display port connection end and the second display port connection end.

Description

External quick peripheral assembly interconnect interface bus slot expanding system

Technical field

The utility model relates to a kind of bus slot expanding system, especially has about the external quick peripheral assembly interconnect interface bus of one (PCIe) slot expanding system.

Background technology

The special interest group of peripheral assembly interconnect (PCI-SIG) has been delivered external quick peripheral assembly interconnect interface (PCIe) bus, and it has comprised the transmission standards such as PCIe X1, PCIe X4, PCIe X8, PCIe X16.In addition, Intel has also delivered Thunderbolt interface voluntarily, can transmit PCIe signal, using as external PCIe bus.But Thunderbolt interface specification is special, need to authorize, be difficult for obtaining and expensive, do not meet economic benefit.If use more cheap third generation universal serial bus (USB3.0) transmission line to be used as external PCIe bus transfer, the signal definition that can produce USB3.0 transmission line cannot meet the problem of PCIe signal definition completely, and partial function cannot be used.

Utility model content

Therefore the purpose of this utility model is exactly that a kind of external (PCIe) bus slot expanding system is being provided, and it has adopted digital visual interface (Display Port) to connect and has brought in transmission PCIe signal, to solve prior art problem.

According to an embodiment of the present utility model, a kind of external PCIe bus slot expanding system is provided, it comprises motherboard, external PCIe expansion board, external bus slot motherboard and digital visual interface transmission line.Motherboard has PCIe female plug groove, and external PCIe expansion board has the first digital visual interface link and PCIe male joint.The first digital visual interface link is arranged at the first rear surface of the first casing, and PCIe male joint is assigned in PCIe female plug groove.External bus slot motherboard has the second digital visual interface link and multiple bus slot.The second digital visual interface link is arranged at the second rear surface of the second casing.Digital visual interface transmission line is connected in first, second digital visual interface link.Wherein, multiple first pins of the first digital visual interface link and multiple second pins of the second digital visual interface link meet the signal transmission definition of PCIe, so that obtain digital visual interface transmission line PCIe signal.

According to an embodiment of the present utility model, the signal of above-mentioned first, second digital visual interface link and digital visual interface transmission line PCIe X1 or PCIe X2 specification.

According to an embodiment of the present utility model, above-mentioned motherboard and external PCIe expansion board are positioned at the first casing, and external bus slot motherboard is positioned at the second casing.

According to an embodiment of the present utility model, the PCIe male joint of above-mentioned external PCIe expansion board can be the PCIe male joint of PCIe X1 or PCIe X2.

According to an embodiment of the present utility model, the bus slot of above-mentioned external bus slot motherboard can be the PCIe female plug groove of PCIe X1 or PCIe X2.

According to an embodiment of the present utility model, the bus slot of above-mentioned external bus slot motherboard can be 32 or 64 s' PCI female plug groove.

In sum, the pin redefinable of the digital visual interface link of above-described embodiment of the present utility model is with transmission PCIe signal, and digital visual interface link and digital visual interface connecting line low price, easily obtain, can carry out again high-speed transfer, meet economic benefit.

Brief description of the drawings

Fig. 1 is an embodiment who illustrates external PCIe bus slot expanding system of the present utility model;

Fig. 2 illustrates the first digital visual interface link in Fig. 1 and the pin front elevation of the second digital visual interface link;

Fig. 3 illustrates the first digital visual interface link of the utility model one embodiment and the pin definition figure of the second digital visual interface link, the wiring diagram that it comprises digital visual interface transmission line.

Embodiment

Following embodiment of the present utility model, has been to provide a kind of external quick peripheral assembly interconnect interface (PCIe) bus slot expanding system.This external PCIe bus slot expanding system can utilize digital visual interface (Display Port) link transmission PCIe signal, refers to following explanation.

Please refer to Fig. 1, it is an embodiment who illustrates external PCIe bus slot expanding system of the present utility model, and for making to be convenient to understand, Fig. 1 is the part showing in electronic installation and expanding device housing, will be appreciated that, in fact product may can't see inner part.As shown in Figure 1, include electronic installation 100 and expanding device 200 in external PCIe bus slot expanding system 99, wherein electronic installation 100 can be computer, as desktop computer; 200 of expanding devices can be external connection box or standard computer chassis etc., can be used to expansion bus slot 250, for example PCIe female plug groove 242 or PCI female plug groove 243, but not as limit.

Electronic installation 100 includes the first casing 110, motherboard 120, the first power-supply unit 130 and external PCIe expansion board 140, wherein motherboard 120, the first power-supply unit 130 and external PCIe expansion board 140 are all arranged at the inside of the first casing 110, and the first power-supply unit 130 is in order to supply electric power to motherboard 120.

Expanding device 200 includes external bus slot motherboard 220, second source feeding unit 230 and is arranged at the second casing 210 inside of expanding device 200.In addition, second source feeding unit 230 is in order to supply electric power to external bus slot motherboard 220.

Please continue to refer to Fig. 1, the motherboard 120 of electronic installation 100 can have PCIe female plug groove 121.External PCIe expansion board 140 can have the first digital visual interface link 141 and PCIe male joint 142, the first digital visual interface link 141 can be arranged on the first rear surface 111 of the first casing 110, and the specification of PCIe male joint 142 can be the PCIe male joint of PCIe X1, PCIe X2.PCIe male joint 142 can assign on PCIe female plug groove 121.

The external bus slot motherboard 220 of expanding device 200 can have the second digital visual interface link 241 and multiple bus slot 250, for example, can comprise multiple PCIe female plug grooves 242 and multiple PCI female plug grooves 243.The second digital visual interface link 241 can be arranged on the second rear surface 211 of the second casing 210.PCIe female plug groove 242 can be PCIe X1, PCIe X2 interface slot.PCI female plug groove 243 can be 32,64 interface slots.243 of PCIe female plug groove 242 or PCI female plug grooves can further be assigned other interface cards, the such as compute card of display card, image display card, data cutout card, magnetic disc array card, adlib and other functions etc., PCIe female plug groove 242 also can be assigned external PCIe expansion board another expanding device of contacting.

Please also refer to Fig. 1 to Fig. 3, digital visual interface transmission line 300 connects between first, second digital visual interface links 141,241, and is electrically connected with described first, second pin 1～20,1 '～20 '.The present embodiment can be revised described first, second pin 1～20,1 '～20 ' signal transmission definition, makes its signal transmission definition that meets PCIe, and then makes digital visual interface transmission line 300 can transmit PCIe signal.

More specifically, please refer to Fig. 3.Generally speaking, pin number in first, second transmission line junction 301,302 at the two ends of digital visual interface transmission line 300 is also 20, and the signal definition that wherein in the first transmission line junction 301 in digital visual interface transmission line 300 and the second transmission line junction 302, each pin transmits has been (as shown in Figure 3) fixed.Therefore, this example is that 20 pins 1～20,1 '～20 ' that first, second digital visual interface link 141,241 is comprised redefine as table one and table two, provides as follows:

Pin 1～20 definition of table one, the first digital visual interface link 141

Pin	Function	Pin	Function
				1	REFCLKn	11	GN?D
2	GN?D	12	P?E?Tn1
				3	REFCLKp	13	CPWRON
4	PETpO	14	CPERST#
				5	GN?D	15	PERnO
6	PETn0	16	S?B_RTN
				7	P?E?Rp1	17	PERpO
8	GN?D	18	CWAKE#
				9	P?E?Rn1	19	CPRSNT#
10	P?E?T?p1	20	P?WR

The pin 1 '～20 ' definition of table two, the second digital visual interface link 241

Pin	Function	Pin	Function
				1’	P?E?Rn1	11’	GN?D
2’	GN?D	12’	REFCLKn
				3’	P?E?Rp1	13’	CPWRON
4’	P?E?Tn1	14’	CPERST#
				5’	GN?D	15’	PETn0
6’	P?E?T?p1	16’	S?B_RTN
				1’	PERn0	17’	PETpO
8’	GN?D	18’	CWAKE#
				9’	PERpO	19’	CPRSNT#
10’	REFCLKp	20’	P?WR

Thus, by 20 pins in first, second digital visual interface link 141,241 1～20,1 '～20 ' the signal transmission being revised as in table one and table two are defined, while making digital visual interface transmission line 300 be connected between first, second digital visual interface link 141,241, can transmit PCIe signal.Should be noted, in the present embodiment, first, second digital visual interface link 141,241 and digital visual interface transmission line 300 can transmit the signal of PCIe X2 specification, but not as limit.In other embodiments, first, second digital visual interface link 141,241 and digital visual interface transmission line 300 can transmit the signal of PCIe X1 specification.

In sum, external PCIe bus slot expanding system 99 of the present utility model is because can transmit by first, second digital visual interface link 141,241 signal of PCIe X1 or PCIe X2, so at least have the following advantages:

First, fast, if first, second digital visual interface link 141,241 (Display port1.1) of the 1.1st edition, its transmitting bandwidth can reach 10.8Gbps in first, second digital visual interface link 141,241 transmission; And first, second digital visual interface link 141,241 (Display port1.2) of 1.2 editions, the transmitting bandwidth of its each passage can reach 5.4Gbps, the highlyest supports 4 passages to reach 21.6Gbps.

Secondly, first, second digital visual interface link 141,241 and digital visual interface transmission line 300 low prices, and more easily obtain on market.In addition first, second digital visual interface link 141,241 authentication-exempt and mandate gold.

Although the utility model discloses as above with embodiment; so it is not in order to limit the utility model; anyly be familiar with this skill person; not departing from spirit and scope of the present utility model; when being used for a variety of modifications and variations, the scope that therefore protection domain of the present utility model ought define depending on appending claims is as the criterion.

Claims (6)

1. an external quick peripheral assembly interconnect interface bus slot expanding system, is characterized in that, comprises:

One motherboard, has a PCIe female plug groove;

One external PCIe expansion board, has one first digital visual interface link and a PCIe male joint, and this first digital visual interface link is arranged at one first rear surface of one first casing, and this PCIe male joint is assigned in this PCIe female plug groove;

One external bus slot motherboard, has one second digital visual interface link and multiple bus slot, and this second digital visual interface link is arranged at one second rear surface of one second casing; And

One digital visual interface transmission line, connects this first, second digital visual interface link;

Wherein, multiple first pins of this first digital visual interface link and multiple second pins of this second digital visual interface link meet the signal transmission definition of PCIe, to make this digital visual interface transmission line one PCIe signal.

2. according to the external quick peripheral assembly interconnect interface bus slot expanding system of claim 1, it is characterized in that the signal of described first, second digital visual interface link and this digital visual interface transmission line PCIe X1 or PCIe X2 specification.

3. according to the external quick peripheral assembly interconnect interface bus slot expanding system of claim 1, it is characterized in that, this motherboard and this external PCIe expansion board are positioned at this first casing, and this external bus slot motherboard is positioned at this second casing.

4. according to the external quick peripheral assembly interconnect interface bus slot expanding system of claim 1, it is characterized in that, this PCIe male joint of this external PCIe expansion board is the PCIe male joint of PCIe X1 or PCIe X2.

5. according to the external quick peripheral assembly interconnect interface bus slot expanding system of claim 1, it is characterized in that, the described bus slot of this external bus slot motherboard is the PCIe female plug groove of PCIe X1 or PCIe X2.

6. according to the external quick peripheral assembly interconnect interface bus slot expanding system of claim 1, it is characterized in that, the described bus slot of this external bus slot motherboard is 32 or 64 s' PCI female plug groove.